Brother 1270N- User Manual

Brother 1270N

Brother 1270N– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – Specifications are subject to change without notice.
  • Page 3 – PREFACE; This manual consists of the following chapters:
  • Page 4 – ii; TABLE OF CONTENTS; System Requirements for Brother Printer Solution for Windows
  • Page 5 – iii
  • Page 6 – iv
  • Page 8 – APPENDICES
  • Page 9 – vii; REGULATION; This printer is certified as a Class
  • Page 10 – viii
  • Page 11 – ix; SAFETY INFORMATION; CAUTION FOR LASER PRODUCT (WARNHINWEIS FUR LASER DRUCKER)
  • Page 12 – DEFINITIONS OF WARNINGS, CAUTIONS AND NOTES; The following conventions are used in this service manual:; WARNING
  • Page 13 – CHAPTER 1 GENERAL; High Resolution and Fast Print Speed
  • Page 14 – Enhanced Memory Management; Level 2 language emulation
  • Page 15 – The printer can print the following 11 types of bar codes
  • Page 17 – Printing; APPENDIX
  • Page 18 – Functions
  • Page 19 – Electrical and Mechanical
  • Page 20 – Paper; Feedable paper
  • Page 21 – Avoid using coated paper such as vinyl coated paper.
  • Page 22 – Paper cassette capacity; Delivery with the printed face of the paper downwards.
  • Page 23 – Printing Area; Effective printing area; 5 dots at both sides is for italic characters.
  • Page 24 – The dot size is based on 300 dpi resolution.
  • Page 25 – CHAPTER 2; CONDITIONS REQUIRED FOR INSTALLATION; Power Supply
  • Page 26 – Components may vary depending on the country.
  • Page 27 – INSTALL THE PRINTER; Subsection 3.2 ‘For Windows; For Windows; (3) The opening screen will appear automatically in Windows
  • Page 28 – the; Initial Setup button.; (7) You can view the Initial Setup operations
  • 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
  • Page 30 – Connect the printer and the computer
  • 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
  • Page 32 – Next button, then the USB driver
  • 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.
  • 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
  • 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.
  • 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.
  • Page 37 – CONTROL PANEL OPERATION; Drum; Data; LED; Subsection 2.1 ‘Operator Calls’ in CHAPTER 6; Error
  • Page 38 – Drum LED Indications; Subsection 2.2 ‘Service Calls’ in CHAPTER 6
  • 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.
  • Page 40 – Test print mode; For details on test print mode, see
  • Page 41 – Preparing the BR-net Board; Connect the Ethernet cable; and follow the screen instructions.
  • Page 42 – Print configuration page; LED functions; This LED will blink as the print server receives or transmits data.; Factory default setting
  • Page 43 – CHAPTER 3 THEORY; General Block Diagram
  • Page 46 – Main PCB Block Diagram
  • Page 49 – Main PCB; For the entire circuit diagram of the main PCB, see; ASIC
  • Page 52 – ROM
  • Page 54 – DRAM
  • Page 56 – Optional RAM
  • Page 57 – PCI bus
  • Page 58 – EEPROM
  • Page 60 – Engine PCB
  • Page 61 – Low-voltage power supply; Regulated Output
  • Page 62 – High-voltage power supply; For the circuit diagram of the high-voltage power supply PCB, see
  • Page 63 – Overview of Printing Mechanism
  • Page 65 – Paper Transfer; Paper supply
  • Page 66 – Paper eject; Sensors; Cover sensors A and B; Detect opening and closing of the front cover.
  • 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
  • Page 68 – Print Process; Charging
  • Page 69 – Developing
  • Page 70 – Transfer; process; Fixing stage
  • Page 71 – CHAPTER 4; PRECAUTIONS; before accessing any parts inside the printer.
  • Page 72 – PCBs; DISASSEMBLY FLOW
  • Page 73 – PROCEDURE; AC Cord; (1) Open the front cover and remove the drum unit from the printer.
  • Page 74 – Paper Cassette; separation pad spring from the paper cassette.
  • Page 75 – carefully from the underside of the cassette.
  • Page 76 – shaft from the pressure roller.
  • Page 77 – (11) Remove the side guides Left and Right from the paper cassette.
  • Page 79 – side guide gear. Then remove the one friction spring.
  • Page 80 – (2) Remove the two M3x8 Taptite screws to remove the access cover.
  • Page 81 – Front Cover; (2) Remove the four M3x8 Taptite screws from the main cover.
  • Page 82 – Top Cover; (1) Remove the two M3x10 Taptite screws securing the top cover.
  • Page 83 – 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.
  • Page 85 – Laser Unit; (3) Disconnect the LD harness and the polygon motor connector.
  • Page 86 – Drive Unit; (2) Remove the five M3x6 Taptite screws securing the gear plate.
  • Page 88 – Fixing Unit; (1) Place the main frame on its base so that the rear side is facing you.
  • Page 90 – (11) Remove the fixing unit cover from the fixing unit frame.
  • Page 91 – Never touch the surface of the halogen heater lamp.
  • Page 92 – Never touch the surface of the heat roller.
  • Page 95 – the one M3x12 Taptite screw and remove the thermistor.
  • Page 96 – springs release from the frame.
  • Page 99 – Base Plate; (3) Slide the base plate to the rear of the printer to remove it.
  • Page 101 – Main PCB ASSY
  • Page 102 – Low-Voltage Power Supply PCB ASSY; (1) Remove the M3x8 Taptite screw to remove the insulation sheet.
  • Page 103 – If the film is damaged, or the adhesive is weak.
  • Page 104 – Engine PCB ASSY / High-Voltage Power Supply PCB ASSY; (1) Remove the M4x12 Taptite screw to remove the insulation sheet.
  • Page 105 – 250/1270N from the engine PCB to remove the engine PCB ASSY.
  • Page 106 – Panel PCB ASSY; (1) Place the main frame so that the drive unit side is at the top.
  • Page 109 – Fan Motor ASSY; (1) Place the main frame so that the fan motor ASSY is at the top.
  • Page 111 – Paper Pick-up Roller ASSY; up roller ASSY and the shaft from the main frame.
  • Page 112 – Paper Feed Roller ASSY; (1) Unhook the black plastic hook on the shaft to remove gear 21.
  • Page 115 – CHAPTER 5 PERIODIC; PARTS; The Drum LED is on when the drum unit is nearly at the end of its life.
  • Page 116 – (4) Install the toner cartridge into the new; The Data and Alarm LEDs blink once every five seconds.
  • Page 117 – (5) Install the new toner cartridge into the
  • Page 118 – PERIODICAL REPLACEMENT PARTS; Parts Name Part No. Qty
  • Page 119 – CLEANING; Cleaning the Printer Exterior; mark
  • 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.
  • Page 121 – MTTR: Average 30 minutes
  • Page 123 – CHAPTER 6 TROUBLESHOOTING; subsection 3.5 ‘Paper’ in CHAPTER 1
  • Page 124 – Condensation on the corona unit may cause corona charge leakage.; Warnings for Maintenance Work
  • Page 125 – Identify the Problem; The printer does not print.
  • Page 126 – Operator Calls; LED Indication; Service Calls; Section 6
  • Page 127 – ‘M-8 Scanner failure’; See; ‘M-11 CPU runtime error’; How the LEDs indicate an error; Time delay
  • Page 128 – MESSAGES; Error Messages in the Status Monitor; Error Message
  • Page 130 – Error Message Printouts; Section 1 ‘Print Configuration’ in
  • Page 131 – Subsection 3.5 ‘Paper’ in CHAPTER 1; Paper Loading Problems; Problem Remedy
  • Page 132 – Paper Jams; Clearing jammed paper; Clear the jammed paper following the procedures below
  • Page 133 – Problem Type of Jam Cause Remedy; Paper stuck The front registration
  • Page 134 – Paper Feeding Problems; Double feeding; Wrinkles or creases; User Check
  • 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.
  • Page 136 – SOFTWARE SETTING PROBLEMS; Subsection 10.1 ‘Test Print Mode’
  • Page 137 – Unable to print from application software under DOS.
  • Page 140 – No AC power supplied
  • Page 141 – Main motor does not rotate
  • Page 142 – Insufficient output from high-voltage power supply unit
  • Page 143 – Scanner failure
  • Page 144 – Engine interface error
  • Page 145 – DEFECTS; Image Defect Examples
  • Page 146 – Troubleshooting Image Defect; Light
  • Page 147 – Dark
  • Page 148 – Completely blank
  • Page 149 – All black
  • Page 150 – Dirt on the back of paper; the following; How to clean the pressure roller
  • Page 151 – Black and blurred vertical streaks
  • Page 152 – Black and blurred horizontal stripes; Black vertical streaks (in a gray background)
  • Page 153 – White vertical streaks
  • Page 154 – Faulty registration
  • Page 155 – Image distortion
  • Page 156 – White spots; NOTE
  • Page 157 – Clean the drum unit as follows:
  • Page 158 – Black spots; Black band
  • Page 159 – Gray background; The following cases increase the possibility of this problem.; Hollow print
  • Page 160 – I-20 Downward fogging of solid black
  • Page 161 – Light rain
  • Page 162 – Toner specks; surfaced paper may cause the problem.
  • Page 163 – Location of Grounding Contacts; Drum unit
  • Page 164 – PRINTOUT; The printer prints unexpectedly or it prints garbage.
  • Page 165 – This problem may appear if the data is too complex.
  • Page 167 – Installation Problem; ipaddress; Print Server Status
  • Page 168 – c) Check to see if there is any LED activity.; Intermittent Problem; of intermittent printer problems.
  • Page 169 – TCP/IP Troubleshooting; Turn off the printer and then again,; UNIX Troubleshooting
  • Page 170 – where printer is the name of the local print queue).
  • Page 171 – Troubleshooting; Install the Latest HP JetAdmin software
  • Page 172 – Novell Netware Troubleshooting; servername ENABLED; AppleTalk Troubleshooting
  • Page 173 – SET APPLETALK ZONE
  • Page 174 – MODE; Test Print Mode
  • Page 175 – Inspection Mode; The NV-RAM value dump mode is not incorporated in some models.
  • Page 178 – Check that the Data LED stays OFF.
  • Page 181 – APPENDIX 2. DIAMETER / CIRCUMFERENCE OF ROLLERS
  • 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.
  • Page 183 – APPENDIX 4. HOW TO KNOW DRUM UNIT LIFE & PAGE COUNTER; Section 3 ‘Printer
  • Page 184 – Section 2 ‘How to Read the Drum Unit Life’
  • Page 185 – How to Read the Drum Unit Life; It initially indicates 100% and gradually decreases.; ‘4. How to Read the Page Counter’
  • Page 186 – How to Read the Page Counter; Value in units of 1
  • Page 187 – How to Read the Maintenance Information; Section 3 ‘Printer Information’ in APPENDIX 5
  • Page 189 – APPENDIX 5. HOW TO USE THE SELF-DIAGNOSTICS TOOLS; ) Troubleshooting for Printer won’t print; Troubleshooting for Printer won’t print
  • Page 190 – Diagnostics; described in the box, then click the OK button.
  • 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.
  • Page 193 – APPENDIX 6. NVRAM DEFAULT VALUE; Items; Timing of Drum LED ON
  • Page 194 – (2) The plastic rib is removed from the tray
  • Page 212 – High-voltage power supply PCB / Engine PCB; Old version
  • Page 213 – INDEX; black vertical streaks
  • Page 219 – Brother Laser Printer; PARTS REFERENCE LIST; Read this list thoroughly before maintenance work.
  • Page 220 – NOTE FOR USING THIS PARTS REFERENCE LIST; Note : No orders without Parts Code or Tool No. can be accepted.
  • Page 221 – CONTENTS
  • Page 235 – ENGINE
  • Page 238 – HIGH VOLTAGE POWER SUPPLY PCB
  • Page 241 – PACKING MATERIALS
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R

Brother Laser Printer

SERVICE MANUAL

MODEL: HL-1030/1240/1250/1270N

Read this manual thoroughly before maintenance work.

Keep this manual in a convenient place for quick and easy reference at all times.

September, 1999
SM-PRN001

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Summary

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 .....................................

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