Brother 1270N- Manuals

Page 2 - Specifications are subject to change without notice.

© Copyright Brother 1999 All rights reserved. No part of this publication may be reproduced in any form or by any means without permissionin writing from the publisher. Specifications are subject to change without notice. Trademarks: The brother logo is a registered trademark of Brother Industries, ...

Page 3 - PREFACE; This manual consists of the following chapters:

PREFACE i PREFACE This service manual contains basic information required for after-sales service of the laserprinter (hereinafter referred to as "this machine" or "the printer"). This information is vital to theservice technician to maintain the high printing quality and performance...

Page 4 - ii; TABLE OF CONTENTS; System Requirements for Brother Printer Solution for Windows

TABLE OF CONTENTS ii TABLE OF CONTENTS REGULATION ............................................................................................. vii SAFETY INFORMATION ............................................................................. ix CHAPTER 1 GENERAL .....................................

Page 5 - iii

TABLE OF CONTENTS iii 4.2 Load Paper Manually ......................................................................................................2-10 4.3 Two Side Printing (Manual Duplexing)............................................................................2-11 4.3.1 To print on both sid...

Page 6 - iv

TABLE OF CONTENTS iv 2.2.3 Paper eject .................................................................................................................. 3-24 2.3 Sensors ..................................................................................................................... 3-24 2.3.1 ...

Page 8 - APPENDICES

TABLE OF CONTENTS vi 9.5 Windows NT/LAN Server (TCP/IP) Troubleshooting ......................................................6-48 9.6 Windows 95/98 Peer to Peer Print (LPR) Troubleshooting.............................................6-48 9.7 Windows 95/98 (or later) Peer to Peer (HP JetAdmin Compat...

Page 9 - vii; REGULATION; This printer is certified as a Class

REGULATION vii REGULATION LASER SAFETY (110 - 120V MODEL ONLY) This printer is certified as a Class I laser product under the US Department of Health and Human Services (DHHS) Radiation Performance Standard according to the RadiationControl for Health and Safety Act of 1968. This means that the prin...

Page 10 - viii

REGULATION viii IEC 825 (220-240V MODEL ONLY) This printer is a Class I laser product as defined in IEC 825 specifications. The label shown below is attached in countries where required. CLASS 1 LASER PRODUCT APPAREIL LASER DE CLASSE 1 LASER KLASSE 1 PRODUKT This printer has a laser diode which emit...

Page 11 - ix; SAFETY INFORMATION; CAUTION FOR LASER PRODUCT (WARNHINWEIS FUR LASER DRUCKER)

SAFETY INFORMATION ix SAFETY INFORMATION CAUTION FOR LASER PRODUCT (WARNHINWEIS FUR LASER DRUCKER) CAUTION: When the machine during servicing is operated with the cover open, theregulations of VBG 93 and the performance instructions for VBG 93 arevalid. CAUTION: In case of any trouble with the laser...

Page 12 - DEFINITIONS OF WARNINGS, CAUTIONS AND NOTES; The following conventions are used in this service manual:; WARNING

SAFETY INFORMATION x DEFINITIONS OF WARNINGS, CAUTIONS AND NOTES The following conventions are used in this service manual: WARNING Indicates warnings that must be observed to prevent possible personal injury. ! CAUTION: Indicates cautions that must be observed to service the printer properly or pre...

Page 13 - CHAPTER 1 GENERAL; High Resolution and Fast Print Speed

CHAPTER 1 GENERAL 1-1 CHAPTER 1 GENERAL 1. FEATURES This printer has the following features; High Resolution and Fast Print Speed <HL-1030>True 600 x 600 dots per inch (dpi) (GDI mode) with microfine toner and up to 10 pages perminute (ppm) print speed (A4 or Letter paper). <HL-1240>True...

Page 14 - Enhanced Memory Management; Level 2 language emulation

CHAPTER 1 GENERAL 1-2 Enhanced Memory Management The printer provides its own data compression technology in its printer hardware and thesupplied printer driver software, which can automatically compress graphic data and font dataefficiently into the printer’s memory. You can avoid memory errors and...

Page 15 - The printer can print the following 11 types of bar codes

CHAPTER 1 GENERAL 1-3 Bar Code Print (for HL-1250/1270N only) The printer can print the following 11 types of bar codes; • Code 39 • US-PostNet • EAN-8 • Code 128 • ISBN • EAN-13 • Interleaved 2 of 5 • UPC-A • EAN-128 • Codabar • UPC-E Network Feature (for HL-1270N only) The Brother printer has buil...

Page 17 - Printing; APPENDIX

CHAPTER 1 GENERAL 1-5 3. SPECIFICATIONS 3.1 Printing Print method Electrophotography by semiconductor laser beam scanning Laser Wave length: 780 nm Output: 5mW max Resolution HL-1030: 600 x 600 dots/inch (GDI) HL-1240: 600 x 600 dots/inch (GDI)300 x 300 dots/inch (under DOS or other operatingsystem)...

Page 18 - Functions

CHAPTER 1 GENERAL 1-6 3.2 Functions CPU HL-1030/1240: MB86833 66MHz HL-1250/1270N: MB86832 66MHz Emulation HL-1030: Brother Printing Solution for Windows  HL-1240: Brother Printing Solution for Windows  HP LaserJet IIP (PCL level 4) HL-1250: Brother Printing Solution for Windows  Automatic emulat...

Page 19 - Electrical and Mechanical

CHAPTER 1 GENERAL 1-7 3.3 Electrical and Mechanical Power source U.S.A. and Canada: AC 110 to 120V, 50 Hz/60 Hz Europe and Australia: AC 220 to 240V, 50 Hz/60 Hz Power consumption Printing (peak)*: 940 W or less Printing (average): 340 W or less Standing by: 80 W or less Sleep*: 5 W or less (HL-1030...

Page 20 - Paper; Feedable paper

CHAPTER 1 GENERAL 1-8 3.4 Network (for HL-1270N only) Type / Speed 10/100 Base TX EthernetAuto speed detection Protocols • TCP/IPDHCP, BOOTP, RARP, DHCP, NetBIOS over IPLPR/LPD, Port9100, Custom Port, POP3/SMTP SMB PrintTELNET, SNMP, HTTP, TFTP • Novell IPX.SPX (Bindery/NDS) • AppleTalk Management •...

Page 21 - Avoid using coated paper such as vinyl coated paper.

CHAPTER 1 GENERAL 1-9 (2) Other paper specifications <Paper Cassette> Cut sheet Basis weight 64 to 105 g/m 2 (17 to 28 lb.) Caliper 0.08 to 0.13 mm (0.003 to 0.005 in.) Moisture content 4% to 6% by weight <Manual Feed Slot> Cut sheet Envelope Basis weight 64 to 158 g/m 2 (17 to 43 lb.) 7...

Page 22 - Paper cassette capacity; Delivery with the printed face of the paper downwards.

CHAPTER 1 GENERAL 1-10 3.5.2 Paper cassette capacity (1) Maximum load height Paper cassette: <Normal paper> Up to 27mm (1.06 inches) in height(250 sheets of 80 g/m 2 A4/Letter paper) <Transparencies> 10 sheets (2) Paper feed conditions Type Weight Cassette Manual feed (1 sheet) Normal pa...

Page 23 - Printing Area; Effective printing area; 5 dots at both sides is for italic characters.

CHAPTER 1 GENERAL 1-11 3.6 Printing Area 3.6.1 Effective printing area The effective printing area means the area within which the printing of all the data receivedwithout any omissions can be guaranteed. 4.23mm 4.23mm 208mm 2,400 (80 characters) 25 25 3.6.2 Print guaranteed area A E C E B D F F The...

Page 24 - The dot size is based on 300 dpi resolution.

CHAPTER 1 GENERAL 1-12 The table below shows the print guaranteed areas for each paper size. Size A B C D E F A 4 210.0 mm8.27”(2,480 dots) 297.0 mm11.69”(3,507 dots) 203.2 mm8.0”(2,400 dots) 288.5 mm11.36”(3,407 dots) 3.4 mm0.13”(40 dots) 4.23 mm0.17”(50 dots) Letter 215.9 mm8.5”(2,550 dots) 279.4 ...

Page 25 - CHAPTER 2; CONDITIONS REQUIRED FOR INSTALLATION; Power Supply

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-1 CHAPTER 2 INSTALLATION AND BASIC OPERATION 1. CONDITIONS REQUIRED FOR INSTALLATION 1.1 Power Supply • The source voltage must stay within ±10% of the rated voltage shown on the rating plate. • The power cord, including extensions, should not exceed 5 me...

Page 26 - Components may vary depending on the country.

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-2 2. UNPACKING When unpacking the printer, check to see that all of the following components are included inthe carton. Fig. 2-1 NOTE: Components may vary depending on the country. AC cord Printer Paper cassette Drum unit(with Toner cartridge included) Do...

Page 27 - INSTALL THE PRINTER; Subsection 3.2 ‘For Windows; For Windows; (3) The opening screen will appear automatically in Windows

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-3 3. INSTALL THE PRINTER You need to implement hardware setup and driver installation to use the printer. Firstly, identify the Operating System on your computer. Then, purchase the appropriateinterface cable (parallel or USB) for your computer. The insta...

Page 28 - the; Initial Setup button.; (7) You can view the Initial Setup operations

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-4 (6) Click the Initial Setup button. Fig. 2-4 (7) You can view the Initial Setup operations in the video movie. Fig. 2-5 (8) Click the interface cable you are going to use, Parallel or USB. Fig. 2-6 (9) If you click the NOW button, you can install the pr...

Page 29 - Install the drum unit; (2) Unpack the drum unit assembly and rock; Load paper; (2) Slide the paper guides to the paper size; Print a test page

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-5 3.2 For Windows ® Users with No CD-ROM Drive If you do not have a CD-ROM drive, setup the printer following the steps below, then install theprinter driver from the floppy disk. 3.2.1 Install the drum unit (1) Open the front cover. (2) Unpack the drum u...

Page 30 - Connect the printer and the computer

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-6 (4) Extend the tray extension flap. After the printer has warmed up the Ready LEDchanges from blinking to lit. (Fig. 2-12) (5) Press the control panel button. The printer will print a test page. Check thetest page printed correctly. Fig. 2-12 3.2.4 Conn...

Page 31 - Using the USB Interface (for Windows; Connect the USB interface cable; (2) Connect the USB interface cable to the; Install the USB driver; (1) The “Add New Hardware Wizard” window

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-7 3.3 Using the USB Interface (for Windows     98 only) For the HL-1240/1250/1270N printers, the USB interface cable can be connected between theprinter and PC. Prepare the printer to use the USB interface following the steps below; 3.3.1 Connect the ...

Page 32 - Next button, then the USB driver

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-8 (3) Insert the supplied CD-ROM into the CD- ROM drive and select “CD-ROM drive”.Click the Next button. Fig. 2-17 (4) Click the Next button, then the USB driver will be installed. Fig. 2-18 (5) Click the Finish button. Fig. 2-19 (6) Click the Yes button,...

Page 33 - Set the PC printer port; Your PC printer port has to be set to “USB port”.; Start button and select Printers in Settings.; OK button to close the; For Macintosh (iMac and Power Macintosh) with USB Users Only; window shown below will appear automatically.

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-9 3.3.3 Set the PC printer port Your PC printer port has to be set to “USB port”. (1) Click the Start button and select Printers in Settings. (2) Select your printer model icon in Printers so that the printer icon is highlighted. (3) Select Properties fro...

Page 34 - Load Paper into the Paper Cassette; Subsection 3.2.2 ‘Load Paper’ in this chapter; Load Paper Manually; Subsection 3.5 ‘Paper’ in

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-10 4. PAPER HANDLING The printer provides two types of paper loading method; paper cassette and manual feed slot. 4.1 Load Paper into the Paper Cassette You can load normal paper and transparencies into the paper cassette. If you load paper intothe paper ...

Page 35 - (1) Select the manual feed mode in the printer; To print on both sides of the paper from the paper cassette; (1) Select the required manual duplex printing mode from the driver.

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-11 The printer has a straight paper path from the manual feed slot to the rear of the printer whenthe rear cover is lifted up. Use this paper feed and output method when printing on thickerpaper or card. (1) Select the manual feed mode in the printer driv...

Page 36 - To print on both sides of the paper from the manual feed slot; The use of very thin or very thick paper is not recommended.

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-12 4.3.2 To print on both sides of the paper from the manual feed slot ! CAUTION: • Before re-inserting the sheets, straighten them, or paper feed errors will occur. • The use of very thin or very thick paper is not recommended. • When the manual duplex f...

Page 37 - CONTROL PANEL OPERATION; Drum; Data; LED; Subsection 2.1 ‘Operator Calls’ in CHAPTER 6; Error

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-13 5. CONTROL PANEL OPERATION There are four LEDs and a button on the control panel. The LEDs indicate the printer status,and pressing the button enables several functions in the printer. Drum Ready Alarm Paper Toner Data Fig. 2-28 5.1 Ready (Paper) LED I...

Page 38 - Drum LED Indications; Subsection 2.2 ‘Service Calls’ in CHAPTER 6

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-14 5.2 Data (Toner) LED Indications The Data LED indicates the current status of the print data process. LED Printer status OFF The printer has no print data. Blinking The printer is receiving data from the computer or the printer isprocessing data in mem...

Page 39 - Control Panel Button Operations; Operation; Cancel printing; Other Control Features; The printer has the following useful features; Sleep mode; ) The fan runs for 10 minutes whenever printing finishes.

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-15 5.5 Control Panel Button Operations The control panel button is used for the following purposes depending on the situation. Operation Description Cancel printing If the button is pressed during printing, the printer immediately stopsprinting and ejects...

Page 40 - Test print mode; For details on test print mode, see

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-16 5.6.2 Test print mode The printer incorporates various test print modes. The printer enters into each test print modeby panel button operation. For details on test print mode, see Subsection 10.1 ‘Test Print Mode’ in CHAPTER 6 .

Page 41 - Preparing the BR-net Board; Connect the Ethernet cable; and follow the screen instructions.

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-17 6. NETWORK BOARD OPERATION (FOR HL-1270N ONLY) The network board installed in the back of the printer allows you to share the printer on anetwork. 6.1 Preparing the BR-net Board 6.1.1 Connect the Ethernet cable (1) Turn off the printer power. (2) Conne...

Page 42 - Print configuration page; LED functions; This LED will blink as the print server receives or transmits data.; Factory default setting

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-18 6.1.3 Print configuration page Press the Network Test button for less than 5 seconds to print a configuration page. Fig. 2-32 6.2 Functions 6.2.1 LED functions L-LED (green) F-LED (orange) A-LED (green) Fig. 2-33 L-LED (green): Link activity This LED i...

Page 43 - CHAPTER 3 THEORY; General Block Diagram

CHAPTER 3 THEORY OF OPERATION 3-1 CHAPTER 3 THEORY OF OPERATION 1. ELECTRONICS 1.1 General Block Diagram Fig. 3-1 shows a general block diagram of the HL-1030/1240 printer. Video control block Interface block (HL-1030: Parallel) (HL1240: Parallel/USB) Engine control block Operation block (Control pa...

Page 46 - Main PCB Block Diagram

CHAPTER 3 THEORY OF OPERATION 3-4 1.2 Main PCB Block Diagram Fig. 3-4 shows the block diagram of the main PCB of the HL-1030/1240 printer. Reset Circuit Program + Font ROM 1.0 Mbytes RAM (2.0 Mbytes) EEPROM (128 8 bits) A S I C Oscillator (32.7MHz) Address Decoder DRAM Control Timer FIFO CDCC Parall...

Page 49 - Main PCB; For the entire circuit diagram of the main PCB, see; ASIC

CHAPTER 3 THEORY OF OPERATION 3-7 1.3 Main PCB For the entire circuit diagram of the main PCB, see Appendix 11 to 17 . 1.3.1 ASIC A Fujitsu 32bit RISC CPU, MB86833 (SPARC lite) is built in the ASIC. While the CPU is drivenwith a clock frequency of 33 MHz in the user logic block, it itself runs at 66...

Page 52 - ROM

CHAPTER 3 THEORY OF OPERATION 3-10 1.3.2 ROM An 8 Mbits ROM (x 16 bit) is fitted. Fig. 3-9 Two 16 Mbits ROMs (x 16 bit) are fitted. Fig. 3-10 HL-1250 HL-1030/1240

Page 54 - DRAM

CHAPTER 3 THEORY OF OPERATION 3-12 1.3.3 Flash ROM (for HL-1270N only) Two 8 Mbits flash ROMs (x 16 bit) are fitted. Fig. 3-12 1.3.4 DRAM A 16M-bit DRAM (x 16 bits) is used as the RAM. Fig. 3-13 HL-1270N HL-1030/1240

Page 56 - Optional RAM

CHAPTER 3 THEORY OF OPERATION 3-14 1.3.5 Optional RAM A 32bit (72 pin) SIMM can be fitted as optional RAM. The main PCB has one slot and thecapacity of SIMM can be from 1 Mbyte to 32 Mbytes. Fig. 3-15 HL-1250/1270N

Page 57 - PCI bus

CHAPTER 3 THEORY OF OPERATION 3-15 1.3.6 Optional serial I/O The interrupt of the serial I/O is input to the EXINT terminal of the ASIC, and is recognized bythe CPU. A 32-byte register is provided for this I/O, which is read from and written to by theCPU. Fig. 3-16 1.3.7 PCI bus The interface of the...

Page 58 - EEPROM

CHAPTER 3 THEORY OF OPERATION 3-16 1.3.8 EEPROM The EEPROM is X24C01A type of two-wire method with a 128 x 8 bits configuration. Fig. 3-18 The EEPROM is X24C04 type of two-wire method with a 512 x 8 bits configuration. Fig. 3-19 The EEPROM is X24C32 type of two-wire method with a 4096 x 8 bits confi...

Page 60 - Engine PCB

CHAPTER 3 THEORY OF OPERATION 3-18 1.4 Engine PCB The gate array which transforms the serial signal from the main PCB into the parallel signal ismounted on the engine PCB. The engine PCB controls the following parts by using the transferred signal data; • Main motor • Toner sensor • Panel PCB • Cove...

Page 61 - Low-voltage power supply; Regulated Output

CHAPTER 3 THEORY OF OPERATION 3-19 1.6 Power Supply 1.6.1 Low-voltage power supply The power supply uses a switching regulation system to generate the regulated DC power(+5V and +24V), which are converted from the AC line. The regulated output and the production code of each power supply are listed ...

Page 62 - High-voltage power supply; For the circuit diagram of the high-voltage power supply PCB, see

CHAPTER 3 THEORY OF OPERATION 3-20 1.6.2 High-voltage power supply The high-voltage power supply generates and outputs the voltages and currents for thecharging, development and transfer functions. For the circuit diagram of the high-voltage power supply PCB, see Appendix 22 . Transfer Roller Supply...

Page 63 - Overview of Printing Mechanism

CHAPTER 3 THEORY OF OPERATION 3-21 2. MECHANICS 2.1 Overview of Printing Mechanism Fig. 3-27 Second eject roller Paper First eject roller Rear cover Paper Cassette Pressure plate Rear registrationsensor lever Separationpad Front registrationsensor lever Cassette pressure roller Paper pick-up roller ...

Page 65 - Paper Transfer; Paper supply

CHAPTER 3 THEORY OF OPERATION 3-23 2.2 Paper Transfer 2.2.1 Paper supply The paper pick-up roller picks up one sheet of paper from the paper cassette every time it isrotated and feeds it to the paper feed roller. Fig. 3-29 The paper is gripped between the paper pick-up roller and the separation pad ...

Page 66 - Paper eject; Sensors; Cover sensors A and B; Detect opening and closing of the front cover.

CHAPTER 3 THEORY OF OPERATION 3-24 2.2.3 Paper eject After the printing image on the photosensitive drum is transferred onto the paper, the paper isfed to the fixing unit to fix unfixed toner onto the paper. Afterwards, the paper is ejected from the fixing unit by the first eject roller in the fixin...

Page 67 - Photosensitive drum; Forms a uniform charge on the drum surface.; Transfer roller; Transfers the toner image to the paper from the drum surface.; Cleaner; Toner Cartridge

CHAPTER 3 THEORY OF OPERATION 3-25 2.3.2 Toner sensor Detects if there is toner in the toner cartridge. The toner sensor at the left side emits lightthrough the window on the left side of the toner cartridge, then the toner sensor at the rightside receives it when the toner is low. They also detect ...

Page 68 - Print Process; Charging

CHAPTER 3 THEORY OF OPERATION 3-26 2.6 Print Process 2.6.1 Charging The drum is charged to approximately 870V by an ion charge which is generated by theprimary charger. The charge is generated by ionization of the corona wire, which has a DCbias from the high-voltage power supply applied to it. The ...

Page 69 - Developing

CHAPTER 3 THEORY OF OPERATION 3-27 The area exposed to the laser beam is the image to be printed. The surface potential of theexposed area is reduced, forming the electrostatic image to be printed. 1 Cycle of drum Surface Potential (V) +870 +420 +200 1 2 3 (a) (b) Time 1 2 3 Primary charging Laser b...

Page 70 - Transfer; process; Fixing stage

CHAPTER 3 THEORY OF OPERATION 3-28 2.6.4 Transfer (1) Transfer process After the drum has been charged and exposed, and has received a developed image, thetoner formed is transferred onto the paper by applying a negative charge to the back ofthe paper. The negative charge applied to the paper causes...

Page 71 - CHAPTER 4; PRECAUTIONS; before accessing any parts inside the printer.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-1 CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 1. SAFETY PRECAUTIONS To avoid creating secondary problems by mishandling, follow the warnings and precautionsbelow during maintenance work. WARNING (1) Always turn off the power switch and unplug the power cord from the...

Page 72 - PCBs; DISASSEMBLY FLOW

1 AC CORD DRUM UNIT 2 PAPER CASSETTE 3 BASE PLATE 11 PCBs MAIN PCB ASSY 12 LOW-VOLTAGE PS PCB ASSY 14 15 ENGINE PCB ASSY / HIGH-VOLTAGE PS PCB ASSY 13 LOWER TRAY RELAY PCB ASSY (HL-1250/1270N only) 21 PAPER PICK-UP ROLLER ASSY 19 TONER SENSOR PCB ASSY (emission) 20 TONER SENSOR PCB ASSY (reception) ...

Page 73 - PROCEDURE; AC Cord; (1) Open the front cover and remove the drum unit from the printer.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-3 3. DISASSEMBLY PROCEDURE 3.1 AC Cord (1) Disconnect the AC cord from the printer AC inlet. Fig. 4-1 3.2 Drum Unit (1) Open the front cover and remove the drum unit from the printer. Fig. 4-2 Printer AC cord Drum unit

Page 74 - Paper Cassette; separation pad spring from the paper cassette.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-4 3.3 Paper Cassette (1) Close the front cover, pull out the paper cassette from the printer and remove the paper from the cassette. Fig. 4-3 (2) Remove the separation pad holder ASSY by pulling it upwards, then remove the separation pad spring from the paper ...

Page 75 - carefully from the underside of the cassette.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-5 NOTE: When replacing/re-assembling the separation pad holder, remove the old grease and apply asuitable amount of grease referring to the figure below; Fig. 4-5 (3) Turn the paper cassette upside down, then remove the cassette cover film by peeling it carefu...

Page 76 - shaft from the pressure roller.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-6 (5) Keeping the paper cassette upside down, release the pressure roller holder assembly from the cassette by releasing the metal mounting plate from the plastic retaining boss.Use a flat screwdriver to press the metal plate forwards until it clears the boss ...

Page 77 - (11) Remove the side guides Left and Right from the paper cassette.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-7 (10) Turn the cassette the correct way up and slide the two paper guides to the center of the cassette. (11) Remove the side guides Left and Right from the paper cassette. Fig. 4-9 (12) Unhook the two catches (A) of the pressure plate while pulling the plast...

Page 79 - side guide gear. Then remove the one friction spring.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-9 (17) Turn the cassette upside down and remove the one M3x8 Taptite screw to remove the side guide gear. Then remove the one friction spring. (18) Remove the two side guide racks. (19) Remove the paper indicator. Fig. 4-13 NOTE: • When re-assembling the side ...

Page 80 - (2) Remove the two M3x8 Taptite screws to remove the access cover.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-10 3.4 Network Board (for HL-1270N only) (1) Open the rear cover. (2) Remove the two M3x8 Taptite screws to remove the access cover. Fig. 4-15 (3) Remove the two M3x6 Taptite screws securing the network board. (4) Disconnect the connector connected with the ma...

Page 81 - Front Cover; (2) Remove the four M3x8 Taptite screws from the main cover.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-11 3.5 Front Cover (1) Open the front cover. (2) Remove the four M3x8 Taptite screws from the main cover. Fig. 4-17 (3) Position the front cover at the angle of 45 degrees and release the bosses at the right and left hand sides and the link at the left hand si...

Page 82 - Top Cover; (1) Remove the two M3x10 Taptite screws securing the top cover.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-12 3.6 Top Cover (1) Remove the two M3x10 Taptite screws securing the top cover. (2) Release the hooks on either side of the top cover from the bosses on the main cover by pulling the top cover forwards. Fig. 4-19 (3) Open the rear cover, then release the hook...

Page 83 - Main Cover; (1) Remove the two M3x8 Taptite screws from the rear of the main cover.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-13 (5) Turn the top cover upside down and remove the second eject roller ASSY by lifting the middle of the roller upwards until the roller releases from the cover. Fig. 4-21 3.7 Main Cover (1) Remove the two M3x8 Taptite screws from the rear of the main cover....

Page 84 - and then removing them by lifting them upwards.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-14 (3) Bend the tray extension flap upwards slightly to remove the tray extension flap. Fig. 4-23 (4) Release the rear cover springs Left and Right from the hooks on the main cover. (5) Remove the rear cover complete with the rear cover springs Left and Right ...

Page 85 - Laser Unit; (3) Disconnect the LD harness and the polygon motor connector.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-15 3.8 Laser Unit (1) Remove the three M3x16 Taptite screws. (2) Push the P harness cover to the right to release it from the hook and remove the P harness cover. (3) Disconnect the LD harness and the polygon motor connector. (4) Taking care not to touch the l...

Page 86 - Drive Unit; (2) Remove the five M3x6 Taptite screws securing the gear plate.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-16 3.9 Drive Unit (1) Place the printer body carefully on its right hand side so that the drive unit is at the top. (2) Remove the five M3x6 Taptite screws securing the gear plate. (3) Disconnect the heater harness connector and release the panel PCB harness f...

Page 88 - Fixing Unit; (1) Place the main frame on its base so that the rear side is facing you.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-18 3.10 Fixing Unit (1) Place the main frame on its base so that the rear side is facing you. (2) Press the two hooks inwards to remove gear 59. (3) Disconnect the two connectors of the heater harness and release the harness from the hooks on the top of the fi...

Page 90 - (11) Remove the fixing unit cover from the fixing unit frame.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-20 (8) Remove the two M3x20 Taptite screws from the top of the fixing unit frame. (9) Release the thermistor harness from the hooks. (10) Release the two hooks at the right and left sides securing the fixing unit cover to the fixing unit frame. Fig. 4-35 (11) ...

Page 91 - Never touch the surface of the halogen heater lamp.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-21 (12) Remove the one M3x10 Taptite screw securing the halogen lamp connector plate at the drive unit side of the fixing unit frame and then loosen the M3x6 screw at the other side. (13) Lift the right hand end of the heat roller and remove the halogen heater...

Page 92 - Never touch the surface of the heat roller.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-22 (14) Lift and remove the heat roller. The heat roller gear will also come off. (15) Remove the heat roller bearing from the left hand end of the heat roller. To remove the bearing at the gear side, first remove the two washers, then remove the bearing. Fig....

Page 95 - the one M3x12 Taptite screw and remove the thermistor.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-25 NOTE: • When re-assembling the pressure roller cleaner complete with the cleaner spring onto thefixing unit cover, ensure the direction of the roller is correct referring to the figure above. • Ensure also that the spring is seated correctly in the locating...

Page 96 - springs release from the frame.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-26 (22) Press the two catches holding the idle gear 13 to the frame and then remove the idle gear 13. Slide the first eject roller to the left until the slot in the roller shaft aligns with the slot inthe frame and then remove the roller by pulling it forwards...

Page 99 - Base Plate; (3) Slide the base plate to the rear of the printer to remove it.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-27 3.11 Base Plate (1) Turn the main frame upside down. (2) Remove the five M4x10 Taptite screws and 16 (sixteen) M3x8 Taptite screws from the base plate. (3) Slide the base plate to the rear of the printer to remove it. ! CAUTION: Do not remove the ground wir...

Page 101 - Main PCB ASSY

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-29 3.12 Main PCB ASSY NOTE: For HL-1250/1270N only Ensure that any installed SIMM memory is removed BEFORE removing the main PCB. (1) Remove the two M3x8 screws from the I/F plate to release the main PCB. (2) Lift the insulation sheet and remove the main PCB A...

Page 102 - Low-Voltage Power Supply PCB ASSY; (1) Remove the M3x8 Taptite screw to remove the insulation sheet.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-30 3.14 Low-Voltage Power Supply PCB ASSY (1) Remove the M3x8 Taptite screw to remove the insulation sheet. (2) Slightly lift up the low-voltage power supply PCB ASSY from the frame and disconnect the engine PCB connector. Then lift the power supply PCB ASSY f...

Page 103 - If the film is damaged, or the adhesive is weak.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-30A ! CAUTION: Be sure to attach the film to the AC inlet ASSY in the following cases referring to the figurebelow; • If the film is not attached to the AC inlet on the printer you are servicing. • If the film is damaged, or the adhesive is weak. Fig. 4-55a PR...

Page 104 - Engine PCB ASSY / High-Voltage Power Supply PCB ASSY; (1) Remove the M4x12 Taptite screw to remove the insulation sheet.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-31 3.15 Engine PCB ASSY / High-Voltage Power Supply PCB ASSY (1) Remove the M4x12 Taptite screw to remove the insulation sheet. (2) Remove the three M4x12 Taptite screws securing the engine PCB and the high-voltage power supply PCB. (3) Lift the engine PCB and...

Page 105 - 250/1270N from the engine PCB to remove the engine PCB ASSY.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-32 (5) Disconnect the 11 (eleven) connectors for HL-1030/1240 or 12 (twelve) connectors for HL- 1250/1270N from the engine PCB to remove the engine PCB ASSY. Fig. 4-56 ! CAUTION: • Even if you want to remove only one of either the engine and high-voltage power...

Page 106 - Panel PCB ASSY; (1) Place the main frame so that the drive unit side is at the top.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-33 3.16 Panel PCB ASSY NOTE: Be sure to remove the drive unit and disconnect the panel PCB connector on the engine PCBbefore removing the panel PCB ASSY. (1) Remove the M3x6 Taptite screw, then remove the panel PCB ASSY. Fig. 4-57 3.17 Solenoid ASSY NOTE: Be s...

Page 109 - Fan Motor ASSY; (1) Place the main frame so that the fan motor ASSY is at the top.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-36 3.18 Fan Motor ASSY NOTE: Be sure to remove the fixing unit and disconnect the fan motor connector on the engine PCBbefore removing the fan motor ASSY. (1) Place the main frame so that the fan motor ASSY is at the top. (2) Remove the two M3x6 Taptite screws...

Page 111 - Paper Pick-up Roller ASSY; up roller ASSY and the shaft from the main frame.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-38 3.21 Paper Pick-up Roller ASSY NOTE: Be sure to remove all the covers and the base plate before removing the paper pick-up rollerASSY. (1) Place the main frame upside down. (2) Unhook the hook to remove the inner gear 54, gear 45 and gear 20 from the main f...

Page 112 - Paper Feed Roller ASSY; (1) Unhook the black plastic hook on the shaft to remove gear 21.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-39 3.22 Paper Feed Roller ASSY NOTE: Be sure to remove all the covers and the PCBs before removing the paper feed roller ASSY. (1) Unhook the black plastic hook on the shaft to remove gear 21. Fig. 4-69 ! CAUTION: The plastic hook holding gear 21 will break ea...

Page 115 - CHAPTER 5 PERIODIC; PARTS; The Drum LED is on when the drum unit is nearly at the end of its life.

CHAPTER 5 PERIODIC MAINTENANCE 5-1 CHAPTER 5 PERIODIC MAINTENANCE To avoid creating secondary problems by mishandling, follow the warnings below duringmaintenance work. WARNING (1) Always turn off the power switch and unplug the power cord from the power outlet before accessing any parts inside the ...

Page 116 - (4) Install the toner cartridge into the new; The Data and Alarm LEDs blink once every five seconds.

CHAPTER 5 PERIODIC MAINTENANCE 5-2 (4) Install the toner cartridge into the new drum unit until it locks into place,indicated by a click. When the tonercartridge is installed correctly, the locklever is lifted automatically. (Fig. 5-2) (5) Install the new drum unit into the printer. Check that the p...

Page 117 - (5) Install the new toner cartridge into the

CHAPTER 5 PERIODIC MAINTENANCE 5-3 (4) Remove the protective cover. (Fig. 5-4) (5) Install the new toner cartridge into the drum unit until it locks into place,indicated by a click. When the tonercartridge is installed correctly, the locklever is lifted automatically. Fig. 5-4 (6) Clean the primary ...

Page 118 - PERIODICAL REPLACEMENT PARTS; Parts Name Part No. Qty

CHAPTER 5 PERIODIC MAINTENANCE 5-4 2. PERIODICAL REPLACEMENT PARTS Periodical replacement parts are the parts to be replaced periodically to maintain productquality. These parts would affect the product quality greatly if they lost their function even ifthey do not appear to be damaged or there is n...

Page 119 - CLEANING; Cleaning the Printer Exterior; mark

CHAPTER 5 PERIODIC MAINTENANCE 5-5 3. PERIODICAL CLEANING Clean the following parts periodically to avoid any printer problems or print image defects. ! CAUTION: While drum unit and scanner window cleaning basically can be implemented by the end user,the electrical terminals inside the printer and o...

Page 120 - Cleaning the Scanner Window; Do not touch the scanner window with your fingers.; Clean the Electrical Terminals; ) Turn off the power switch and unplug the power cord.

CHAPTER 5 PERIODIC MAINTENANCE 5-6 3.3 Cleaning the Scanner Window When replacing the drum unit or toner cartridge with a new one, be sure to clean the scannerwindow. 1) Turn off the power switch and unplug the power cord. 2) Remove the drum unit from the printer. 3) Gently wipe the scanner window (...

Page 121 - MTTR: Average 30 minutes

CHAPTER 5 PERIODIC MAINTENANCE 5-7 4. MTBF / MTTR The meantime between failure (MTBF) and the meantime to repair (MTTR) for this printer areas follows; MTBF: Up to 4,000 hours MTTR: Average 30 minutes

Page 123 - CHAPTER 6 TROUBLESHOOTING; subsection 3.5 ‘Paper’ in CHAPTER 1

CHAPTER 6 TROUBLESHOOTING 6-1 CHAPTER 6 TROUBLESHOOTING 1. INTRODUCTION 1.1 Initial Check (1) Operating environment Check if : • The source voltage stays within ±10% from the rated voltage shown on the rating plate. • The printer is installed on a solid, level surface. • The room temperature is main...

Page 124 - Condensation on the corona unit may cause corona charge leakage.; Warnings for Maintenance Work

CHAPTER 6 TROUBLESHOOTING 6-2 • Condensation on the corona unit may cause corona charge leakage. • Condensation on the hopper plate and separation pad may cause paper feed troubles. If condensation has occurred, print several pages or leave the printer for 2 hours to allow it toreach room temperatur...

Page 125 - Identify the Problem; The printer does not print.

CHAPTER 6 TROUBLESHOOTING 6-3 1.3 Identify the Problem If you encounter any printer error or problem, first identify it referring to the chart below, then see the appropriate section. NOTE: The following troubleshooting sections contain both the actions which users should take or check and the ones ...

Page 126 - Operator Calls; LED Indication; Service Calls; Section 6

CHAPTER 6 TROUBLESHOOTING 6-4 2. OPERATOR CALLS & SERVICE CALLS 2.1 Operator Calls An ‘operator call’ which the printer indicates on the LEDs is user recoverable. Identify the errorfrom the table below and take the corrective action described for each indication to correct it.The printer automat...

Page 127 - ‘M-8 Scanner failure’; See; ‘M-11 CPU runtime error’; How the LEDs indicate an error; Time delay

CHAPTER 6 TROUBLESHOOTING 6-5 Type of error Drum Ready Alarm Data Remedy Fuser Malfunction See ‘M-9 Fuser failure‘ . Laser BD Malfunction See ‘M-7 BD failure’ . Scanner Malfunction See ‘M-8 Scanner failure’ . ROM Error See ‘M-10 ROM error’ . D-RAM Error See ‘M-10 D-RAM error’ . Service A * See ‘M-11...

Page 128 - MESSAGES; Error Messages in the Status Monitor; Error Message

CHAPTER 6 TROUBLESHOOTING 6-6 3. ERROR MESSAGES 3.1 Error Messages in the Status Monitor The status monitor will report problems with the printer as defined in the following table. Takethe corrective actions for the error message the status monitor reports. Error Message Remedy COVER OPEN Close the ...

Page 130 - Error Message Printouts; Section 1 ‘Print Configuration’ in

CHAPTER 6 TROUBLESHOOTING 6-8 3.2 Error Message Printouts The printer will report problems by printing an error message as defined in the following table.Take the corrective actions for the error message the Printout reports. Error Message Remedy MEMORY FULL (1) Press the panel button to print the d...

Page 131 - Subsection 3.5 ‘Paper’ in CHAPTER 1; Paper Loading Problems; Problem Remedy

CHAPTER 6 TROUBLESHOOTING 6-9 4. PAPER PROBLEMS When any paper related problem occurs, ensure that the paper used meets the recommendedpaper specifications referring to Subsection 3.5 ‘Paper’ in CHAPTER 1 . 4.1 Paper Loading Problems Problem Remedy The printer does notload paper. (1) Check that pape...

Page 132 - Paper Jams; Clearing jammed paper; Clear the jammed paper following the procedures below

CHAPTER 6 TROUBLESHOOTING 6-10 4.2 Paper Jams 4.2.1 Clearing jammed paper Clear the jammed paper following the procedures below; (1) Remove the paper cassette completely from the printer. (2) Pull any jammed paper up and out of the printer.(Fig. 6-2) (3) Open the front cover. Fig. 6-2 (4) Remove the...

Page 133 - Problem Type of Jam Cause Remedy; Paper stuck The front registration

CHAPTER 6 TROUBLESHOOTING 6-11 4.2.2 Causes & countermeasures The causes for paper jam problems vary depending on the location of the paper jam. When apaper jam occurs inside the printer, you have to find the location of the paper jam first, removethe jammed paper and then take the appropriate c...

Page 134 - Paper Feeding Problems; Double feeding; Wrinkles or creases; User Check

CHAPTER 6 TROUBLESHOOTING 6-12 4.3 Paper Feeding Problems Even if the paper is printed and ejected without any problems such as paper jams, paperfeeding problems below may appear. Users can clear these problems by following the ‘User Check’ items for each problem. Even ifthe same problem occurs agai...

Page 135 - Page skew; guides are not too tight or too loose against the paper stack.; Curl or Wave; humidity will cause paper to curl.

CHAPTER 6 TROUBLESHOOTING 6-13 F-3 Page skew User Check (1) Check that the paper or other media is loaded into the paper cassette correctly and that the paper guides are not too tight or too loose against the paper stack. (2) If using the manual feed slot, check how to load paper into the manual fee...

Page 136 - SOFTWARE SETTING PROBLEMS; Subsection 10.1 ‘Test Print Mode’

CHAPTER 6 TROUBLESHOOTING 6-14 5. SOFTWARE SETTING PROBLEMS The printer may not print the data correctly if there are incorrect software settings. S-1 “There was an error writing to LPT1: (or BRUSB) for the printer” error message appears. User Check (1) Check that the printer cable is not damaged or...

Page 137 - Unable to print from application software under DOS.

CHAPTER 6 TROUBLESHOOTING 6-15 S-2 Unable to print from application software with the serial interface. (HL-1250 only) User Check Check that the slide switch of the serial interface is in the correct position and the serial interfacesetting are correctly set up with the DIP switches. Possible cause ...

Page 140 - No AC power supplied

CHAPTER 6 TROUBLESHOOTING 6-18 6. MALFUNCTIONS When taking countermeasures for malfunctions as described in this section, check connectorsfor contact failure before measuring the voltage at the specified connector pins. M-1 No AC power supplied Possible cause Step Check Result Remedy Supply voltage ...

Page 141 - Main motor does not rotate

CHAPTER 6 TROUBLESHOOTING 6-19 M-3 Main motor does not rotate Possible cause Step Check Result Remedy Failure ofconnector 1 Is the connection of connectorP9 on the engine PCB correct? No Reconnect the connector. Main motor 2 Is the problem solved byreplacing the main motor? Yes Replace the main moto...

Page 142 - Insufficient output from high-voltage power supply unit

CHAPTER 6 TROUBLESHOOTING 6-20 M-5 Insufficient output from high-voltage power supply unit Possible cause Step Check Result Remedy High-voltagecontact 1 Do any of the terminals on thehigh-voltage contacts have dirtor contact burns? Yes Clean the terminals. High-voltagepower supplyPCB 2 Check the con...

Page 143 - Scanner failure

CHAPTER 6 TROUBLESHOOTING 6-21 M-8 Scanner failure Possible cause Step Check Result Remedy Harnessconnectionfailure 1 Is the connection of thescanner motor connector P12on the engine PCB secure? No Reconnect the connectorsecurely. Power supplyinput 2 Is the voltage between pins 1(+24V DC) and 2 (GND...

Page 144 - Engine interface error

CHAPTER 6 TROUBLESHOOTING 6-22 M-10 ROM error / D-RAM error / NV-RAM error Possible cause Step Check Result Remedy Main PCB 1 Is it possible to print the testpage with the method of Subsection 10.1 ‘Test PrintMode’ in this chapter? No Replace the main PCB. Software bug 2 Does this problem appearwhen...

Page 145 - DEFECTS; Image Defect Examples

CHAPTER 6 TROUBLESHOOTING 6-23 7. IMAGE DEFECTS 7.1 Image Defect Examples I-2 Dark I-1 Light I-2 Dark I-3 Completely blank I-4 All black I-5 Dirt on back of paper I-6 Black vertical streaks I-6 Black vertical streaks I-7 Black horizontal stripes I-12 Poor fixing I-13 Image distortion I-14 Faint prin...

Page 146 - Troubleshooting Image Defect; Light

CHAPTER 6 TROUBLESHOOTING 6-24 7.2 Troubleshooting Image Defect Several types of the image defects can be cleared by end users. For those defects, instructthe user to check the ‘User Check’ items described in each table. Even if the same imagedefect appears, the following procedures should be follow...

Page 147 - Dark

CHAPTER 6 TROUBLESHOOTING 6-25 I-2 Dark Possible cause Step Check Result Remedy Ground contacts Corona failure(contact failure) 1 Are the charge electrodesbetween the printer body andthe drum unit dirty? Yes Clean both electrodes. ➂ Drum unit failure 2 Is the problem solved afterreplacing the drum u...

Page 148 - Completely blank

CHAPTER 6 TROUBLESHOOTING 6-26 I-3 Completely blank Possible cause Step Check Result Remedy Ground contacts Developing biascontact failure 1 Are the developing biascontacts between the printerbody and drum unit dirty? Yes Clean the electrodesat both sides. ➃ Drum unit 2 Are the drum shaft and drumel...

Page 149 - All black

CHAPTER 6 TROUBLESHOOTING 6-27 I-4 All black Possible cause Step Check Result Remedy Ground contacts Corona failure 1 Is the corona wire dirty? Yes Clean the corona wirewith the wire cleaner. ➁ 2 Is the corona wire broken? Yes Replace the drumunit. 3 Are the charge electrodesbetween the printer body...

Page 150 - Dirt on the back of paper; the following; How to clean the pressure roller

CHAPTER 6 TROUBLESHOOTING 6-28 I-5 Dirt on the back of paper Possible cause Step Check Result Remedy Fixing unit dirty 1 Is the pressure roller dirty? Is any other area in the printerdirty? Yes Clean the pressure rollerreferring to the following procedure . Dirt in the drumunit 2 Is the transfer rol...

Page 151 - Black and blurred vertical streaks

CHAPTER 6 TROUBLESHOOTING 6-29 I-6 Black and blurred vertical streaks Possible cause Step Check Result Remedy Corona failure 1 Is the vertical block streakabout 10mm wide?(Check if the wire cleaner is atits home position.) Yes Return the wire cleaner to itshome position. Dirt in the paperfeed system...

Page 152 - Black and blurred horizontal stripes; Black vertical streaks (in a gray background)

CHAPTER 6 TROUBLESHOOTING 6-30 I-7 Black and blurred horizontal stripes Possible cause Step Check Result Remedy Ground contacts Scratch on thedrum 1 Are the horizontal stripes at94mm (photosensitive drum)intervals? Yes The photosensitivedrum was scratched.Replace the drumunit. Toner stuck onthe deve...

Page 153 - White vertical streaks

CHAPTER 6 TROUBLESHOOTING 6-31 I-9 White vertical streaks Possible cause Step Check Result Remedy Transfer failure 1 Is the transfer roller scratched? Yes Replace the drum unit. Condensation 2 Has condensation occurredinside the printer? Yes Try to print several pages orleave the printer 2 hours to ...

Page 154 - Faulty registration

CHAPTER 6 TROUBLESHOOTING 6-32 I-11 Faulty registration Possible cause Step Check Result Remedy Excessive paperload 1 Is the paper loaded in thepaper cassette more than27mm high? Yes Instruct the user to keep paperloads below 27mm in depth. Print paper 2 Is the specified weight of therecommended pap...

Page 155 - Image distortion

CHAPTER 6 TROUBLESHOOTING 6-33 I-13 Image distortion Possible cause Step Check Result Remedy Laser unitinstallation 1 Is the laser unit secured to theframe incorrectly?(Check if there is any play.) Yes Secure the unit correctly andtighten the screws. Scanner LDemission failure Scanner motorrotation ...

Page 156 - White spots; NOTE

CHAPTER 6 TROUBLESHOOTING 6-34 I-15 White spots Possible cause Step Check Result Remedy Drum unit failure 1 Are the white spot at 94mmintervals? Yes 1) If toner or glue remains stuck, wipe it off gently with acotton swab. (Refer to NOTE in the next page.) 2) If the drum surface is scratched, replace...

Page 157 - Clean the drum unit as follows:

CHAPTER 6 TROUBLESHOOTING 6-35 NOTE: Clean the drum unit as follows: (1) Remove the toner cartridge from the drum unit Place the printing samples in front of the drum unit, and find the exact position of the image defect. Fig. 6-7 (2) Turn the drum gear by hand while looking at the surface of the ph...

Page 158 - Black spots; Black band

CHAPTER 6 TROUBLESHOOTING 6-36 I-16 Black spots Possible cause Step Check Result Remedy Drum unit 1 Are the spots at 94mmintervals?(The problem is not solvedafter printing a few pages.) Yes 1) If toner or glue remains stuck, wipe it off gently with acotton swab. (Refer to NOTE in the previous page.)...

Page 159 - Gray background; The following cases increase the possibility of this problem.; Hollow print

CHAPTER 6 TROUBLESHOOTING 6-37 I-18 Gray background Possible cause Step Check Result Remedy Print paper 1 Does the paper being usedmeet the paper specification(weight, etc.). No Recommend to use the specifiedtypes of paper. Yes Recommend to change tofreshly unpacked paper. Toner sensingfailure(print...

Page 160 - I-20 Downward fogging of solid black

CHAPTER 6 TROUBLESHOOTING 6-38 I-20 Downward fogging of solid black Possible cause Step Check Result Remedy Toner cartridgefailure 1 Is the problem solved after replacing the toner cartridge? Yes Replace the toner cartridge. High-voltagepower supplyPCB failure 2 Is the problem solved after replacing...

Page 161 - Light rain

CHAPTER 6 TROUBLESHOOTING 6-39 I-22 Light rain Possible cause Step Check Result Remedy Drum unit failure 1 Is the problem solved afterreplacing the drum unit? Yes Replace the drum unit. High-voltagepower supplyPCB failure 2 Is the problem solved afterreplacing the high-voltagepower supply PCB? Yes R...

Page 162 - Toner specks; surfaced paper may cause the problem.

CHAPTER 6 TROUBLESHOOTING 6-40 I-24 Toner specks User Check (1) Check the paper used meets the recommended paper specifications. A rough surfaced paper may cause the problem. (2) The toner cartridge may be damaged. Install a new toner cartridge. (3) The drum unit may be damaged, or may be nearly at ...

Page 163 - Location of Grounding Contacts; Drum unit

CHAPTER 6 TROUBLESHOOTING 6-41 7.3 Location of Grounding Contacts 7.3.1 Drum unit Fig. 6-10 7.3.2 Printer body & Paper cassette Fig. 6-11 Drum Unit Paper Cassette ➁ Wire cleaner ➂ Charge ➀ Photosensitive drum ➃ Development roller ➆ Ground ➄ Grid ➄ Grid ➂ Charge ➀ Photosensitive drum ➃ Developmen...

Page 164 - PRINTOUT; The printer prints unexpectedly or it prints garbage.

CHAPTER 6 TROUBLESHOOTING 6-42 8. INCORRECT PRINTOUT When the data is not printed correctly as it is seen on the PC screen, follow the proceduresbelow in the event of a specific error. P-1 The printer prints unexpectedly or it prints garbage. User Check (1) Check if the printer cable is not too long...

Page 165 - This problem may appear if the data is too complex.

CHAPTER 6 TROUBLESHOOTING 6-43 P-2 Unable to print full pages of a document with the “PRINT OVERRUN” message. User Check (1) Press the panel button to print the data remaining in the printer. (2) If this does not clear the error, reduce the complexity of your document or reduce the printer resolutio...

Page 167 - Installation Problem; ipaddress; Print Server Status

CHAPTER 6 TROUBLESHOOTING 6-45 9. NETWORK PROBLEM (FOR HL-1270N ONLY) If the error related to network occurs, refer to the following sections; 9.1 Installation Problem If you cannot print over the network, check the following: (1) Make sure that the printer is powered on, is on-line and ready to pri...

Page 168 - c) Check to see if there is any LED activity.; Intermittent Problem; of intermittent printer problems.

CHAPTER 6 TROUBLESHOOTING 6-46 (3) If you cannot make any of the connections in step (2), check the following: a) Make sure the printer is turned on and on-line. b) Verify that the cabling and network connection are good. If possible, try the print server on a different connection on the network. Al...

Page 169 - TCP/IP Troubleshooting; Turn off the printer and then again,; UNIX Troubleshooting

CHAPTER 6 TROUBLESHOOTING 6-47 9.3 TCP/IP Troubleshooting If you are using TCP/IP and cannot print to the print server and you have checked thehardware and network as described in the previous steps, then check the following: NOTE: It is always a good idea to try the following in order to eliminate ...

Page 170 - where printer is the name of the local print queue).

CHAPTER 6 TROUBLESHOOTING 6-48 (4) If you are using an AT&T-based UNIX, make sure the printer is enabled (enable printer, where printer is the name of the local print queue). (5) Make sure that the lpr/lpd remote line printer service are running on the host computer (refer to your host computer ...

Page 171 - Troubleshooting; Install the Latest HP JetAdmin software

CHAPTER 6 TROUBLESHOOTING 6-49 9.7 Windows 95/98 (or later) Peer to Peer (HP JetAdmin Compatible Method) Troubleshooting If you are having trouble printing on a Windows 95/98 (or later) Peer to Peer network, checkthe following (HP JetAdmin compatible method): (1) If the print server does not show up...

Page 172 - Novell Netware Troubleshooting; servername ENABLED; AppleTalk Troubleshooting

CHAPTER 6 TROUBLESHOOTING 6-50 9.10 Novell Netware Troubleshooting If you cannot print from NetWare and you have checked the hardware and network asdescribed in the previous steps, first verify that the Brother print server is attached to theserver queue by going to PCONSOLE, selecting PRINT QUEUE I...

Page 173 - SET APPLETALK ZONE

CHAPTER 6 TROUBLESHOOTING 6-51 (5) Verify that you have selected the correct AppleTalk zone. Because the print server gets its zone information from router broadcasts, it may not be in the zone you expect, and willtherefore not show up in the Chooser. If this is the case, you may need to force the z...

Page 174 - MODE; Test Print Mode

CHAPTER 6 TROUBLESHOOTING 6-52 10. INSPECTION MODE 10.1 Test Print Mode The printer incorporates various test print modes. Select the test mode you want to use following the steps below; (1) Turn off the power switch of the printer and check that the front cover is closed. (2) Turn on the power swit...

Page 175 - Inspection Mode; The NV-RAM value dump mode is not incorporated in some models.

CHAPTER 6 TROUBLESHOOTING 6-53 <Sending the print file from the DOS box> (1) Download the PRN file for your language from the Printer Utility DB of Lotus Notes. (2) Enter the following command in the DOS box, then press the Enter key. Copy <demo file> lpt1:/b (3) When the file transfer f...

Page 178 - Check that the Data LED stays OFF.

CHAPTER 6 TROUBLESHOOTING 6-56 (8) Close the front cover. (9) Continue to press the control panel button. ✒ Check that the Data LED stays OFF. (10) Release the panel button. (11) If all the sensors except the toner sensor are correct, the printer goes back to the Ready status.If any error is detecte...

Page 181 - APPENDIX 2. DIAMETER / CIRCUMFERENCE OF ROLLERS

APPENDIX A-3 APPENDIX 2. DIAMETER / CIRCUMFERENCE OF ROLLERS The diameter and circumference of each roller are listed below; No. Parts Name Diameter (Circumference) 1 Paper Feed Roller φ 14.0 mm (44.0 mm) 2 Transfer Roller φ 15.20 mm (47.7 mm) 3 Photosensitive Drum φ 29.97 mm (94.1 mm) 4 Heat Roller...

Page 182 - APPENDIX 3. PRINT SPEEDS WITH VARIOUS SETTINGS; Media type setting; Max. speed is 12 ppm or more. It varies depending on the paper size.

APPENDIX A-4 APPENDIX 3. PRINT SPEEDS WITH VARIOUS SETTINGS Print speed of the HL-1240/1250/1270N printers is up to 12 ppm when loading A4 or Lettersize paper from the paper cassette in the Regular mode. Actual print speed varies depending on the media type or paper size as shown in the tablesbelow;...

Page 183 - APPENDIX 4. HOW TO KNOW DRUM UNIT LIFE & PAGE COUNTER; Section 3 ‘Printer

APPENDIX A-5 APPENDIX 4. HOW TO KNOW DRUM UNIT LIFE & PAGE COUNTER If you want to know the drum unit life or the number of printed pages, you should print out thePrint Configuration page for the HL-1240/1250/1270N printer, or print out the Test Print pagefor the HL-1030. NOTE: The page counter, ...

Page 184 - Section 2 ‘How to Read the Drum Unit Life’

APPENDIX A-6 NOTE: The descriptions printed in Print Configuration vary depending on the printer models orcountries. 2. Test Print (for HL-1030 only) (1) Turn on the power switch of the printer while pressing the printer control panel button. (2) Release the panel button when the Drum LED comes on. ...

Page 185 - How to Read the Drum Unit Life; It initially indicates 100% and gradually decreases.; ‘4. How to Read the Page Counter’

APPENDIX A-7 3. How to Read the Drum Unit Life The drum unit life is shown by the bar at the bottom of Print Configuration or Test Print asfollows; • It initially indicates 100% and gradually decreases. • It indicates 0% when the Drum LED is on. • It stays at 0% even if further printing is done. Dru...

Page 186 - How to Read the Page Counter; Value in units of 1

APPENDIX A-8 4. How to Read the Page Counter The page counter is shown at the right upper corner in Print Configuration (HL-1240/1250/1270N), or at the bottom center in Test Print (HL-1030). It is also shown in the upper line on the right below the drum life bar and indicates the numberof printed pa...

Page 187 - How to Read the Maintenance Information; Section 3 ‘Printer Information’ in APPENDIX 5

APPENDIX A-9 5. How to Read the Maintenance Information The maintenance information such as the frequency of consumable parts replacement orpaper jam can be found from the 17-digit number shown in the lower line on the right below thedrum unit life bar. NOTE: The 17-digit number is also shown in the...

Page 189 - APPENDIX 5. HOW TO USE THE SELF-DIAGNOSTICS TOOLS; ) Troubleshooting for Printer won’t print; Troubleshooting for Printer won’t print

APPENDIX A-11 APPENDIX 5. HOW TO USE THE SELF-DIAGNOSTICS TOOLS Three self-diagnostics tools below are automatically installed when the printer driver isinstalled; 1) Troubleshooting for Printer won’t print 2) Diagnostics 3) Printer Information The following sections describe the details on each too...

Page 190 - Diagnostics; described in the box, then click the OK button.

APPENDIX A-12 2. Diagnostics This tool helps you to report your PC environment to investigate the cause of problem such as‘Printer won’t print’ or ‘Printer prints garbage or incorrect fonts’. Before using this tool,however, you have to check if you can clear the problem using the ‘Troubleshooting fo...

Page 192 - Printer Information; APPENDIX 4 ‘HOW TO KNOW DRUM; (2) Select the LPT port you are using and click the OK button.; drum unit life, page counter and drum counter.

APPENDIX A-14 3. Printer Information The drum unit life or page counter is printed on Print Configuration (HL-1240/1250/1270N) orTest Print (HL-1030) in some countries as described in APPENDIX 4 ‘HOW TO KNOW DRUM UNIT LIFE & PAGE COUNTER’ . This tool also shows the printer information such as pr...

Page 193 - APPENDIX 6. NVRAM DEFAULT VALUE; Items; Timing of Drum LED ON

APPENDIX A-15 APPENDIX 6. NVRAM DEFAULT VALUE The default values for the main items to be set in NVRAM are as follows; Items Descriptions Timing of Drum LED ON 16,000 page (Counted from the drum unit life.) Development switchingtiming The developing bias is switched from 475V to 375V when3,000 pages...

Page 194 - (2) The plastic rib is removed from the tray

APPENDIX A-16 APPENDIX 7. PAPER CASSETTE INFORMATION (FOR EUROPE ONLY) The A4 size paper cassette fitted to the printer is different from the service manual informationfor printers shipped to Europe as follows:- (1) The paper cassette supplied with the HL- 1030/1240/1250/1270N printer has aplastic r...

Page 212 - High-voltage power supply PCB / Engine PCB; Old version

APPENDIX A-34 APPENDIX 23. DIFFERENCES BETWEEN OLD & NEW VERSIONS OF HVPS &ENGINE PCB The high-voltage power supply PCB and engine PCB have been upgraded since theproduction in the middle of September, 1999 in order to improve print quality. In accordancewith the change, the T/R electrode he...

Page 213 - INDEX; black vertical streaks

INDEX i INDEX 1 10/100Base TX port ................................ 2-17 3 3 patterns print mode .............................. 6-53 4 4% density pattern print mode................. 6-53 A AC cord ..................................................... 4-3 AC inlet ASSY ..................................

Page 219 - Brother Laser Printer; PARTS REFERENCE LIST; Read this list thoroughly before maintenance work.

R Brother Laser Printer PARTS REFERENCE LIST MODEL: HL-1030/1240/1250/1270N Read this list thoroughly before maintenance work. Keep this list in a convenient place for quick and easy reference at all times. September, 1999PL-PRN001

Page 220 - NOTE FOR USING THIS PARTS REFERENCE LIST; Note : No orders without Parts Code or Tool No. can be accepted.

NOTE FOR USING THIS PARTS REFERENCE LIST 1. In the case of ordering parts, it needs mentioning the following items: (1) Code (2) Q'ty (3) Description (4) Symbol ( PCB No., Revision , and Parts location mounted on the PCB.) Note : No orders without Parts Code or Tool No. can be accepted. < Example...

Page 221 - CONTENTS

CONTENTS 1. FRAME / DRIVE UNIT .......................................................................... 1 2. LASER UNIT ......................................................................................... 1 3. PAPER FEEDER .........................................................................

Page 235 - ENGINE

8. ENGINE PCB REF.NO. CODE Q'TY DESCRIPTION SYMBOL REMARK 1 LJ4178001 1 ENGINE PCB ASSY A, 1240 (SP) B512059-101D 1 LJ8157001 1 ENGINE PCB ASSY B, 1030/1240 (SP) B512075-121D 1 LJ4222001 1 ENGINE PCB ASSY A, 1250 (SP) B512059-102D 1 LJ8158001 1 ENGINE PCB ASSY B, 1250/1270 (SP) B512059-122C MODEL HL...

Page 238 - HIGH VOLTAGE POWER SUPPLY PCB

MODEL HL-1030/1240/1250/1270N 84U-Z04/Z01/Z02/Z03-220 10. HIGH VOLTAGE POWER SUPPLY PCB 11. AC CORD - 16 - MODEL HL-1030/1240/1250/1270N 84U-Z04/Z01/Z02/Z03-23 0 1A 1B 1C 1D 1E 1F 1G 1H 1I 1J 1K 2 1 2 T/I NO. PR99179 / PR2000055

Page 241 - PACKING MATERIALS

13. PACKING MATERIALS REF.NO. CODE Q'TY DESCRIPTION REMARK 1 LL0125001 1 CARTON, HL-1030 EU 1 LL0124001 1 CARTON, HL-1030 CAN 1 UE0818001 1 CARTON, HL-1240 US 1 UE0822001 1 CARTON, HL-1240 CAN 1 UE0820001 1 CARTON, HL-1240 EU 1 LL0014001 1 CARTON, HL-1250 US 1 LL0015001 1 CARTON, HL-1250 CAN 1 LL001...