Page 2 - Shipment of the Printer; Remove the drum unit.
II Shipment of the Printer If for any reason you must ship your Printer, carefully package thePrinter to avoid any damage during transit. It is recommended that yousave and use the original packaging. The Printer should also beadequately insured with the carrier. Warning When shipping the Printer, t...
Page 3 - Laser Printer HL-700 Series User’s Guide
i Laser Printer HL-700 Series User’s Guide (For USA & CANADA Only) For technical and operational assistance, please call: In USA 1-800-276-7746 (outside California) 714-859-9700 Ext. 329 (within California) In CANADA 1-800-853-6660 514-685-6464 (within Montreal) If you have comments or suggestio...
Page 4 - Trademarks; ©1997 Brother Industries Ltd.
USER’S GUIDE ii Trademarks The Brother logo is a registered trademark of Brother Industries, Ltd. Apple, the Apple Logo, and Macintosh are trademarks, registered in theUnited States and other countries, and TrueType is a trademark of AppleComputer, Inc.Epson is a registered trademark and FX-80 and F...
Page 5 - Definitions of Warnings, Cautions, and Notes; The following conventions are used in this User’s Guide:; Caution; Note; To Use the Printer Safely; Warning; High Temperature; Warning
iii Definitions of Warnings, Cautions, and Notes The following conventions are used in this User’s Guide: Warning Indicates warnings that must be observed to prevent possiblepersonal injury. ! Caution Indicates cautions that must be observed to use the printer properly orprevent damage to the printe...
Page 6 - TABLE OF CONTENTS
USER’S GUIDE iv TABLE OF CONTENTS REGULATIONS ..................................................................................................................vi CHAPTER 1 INTRODUCTION .....................................................................................1–1 ABOUT THE GUIDEBOOKS........
Page 8 - REGULATIONS; Reorient or relocate the receiving antenna.; Important
USER’S GUIDE vi REGULATIONS Federal Communications Commission Compliance Notice (For USA Only) This equipment has been tested and found to comply with the limits for a Class B digitaldevice, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonableprotection against harmf...
Page 10 - The following caution label is attached near the scanner unit.
USER’S GUIDE viii Declaration of Conformity (For Europe) We, Brother International Europe Ltd., Brother House 1 Tame Street, Guide Bridge, Audenshaw, Manchester M34 5JE, UK. declare that this product is in conformity with the following normative documents. Safety: EN 60950, EN 60825 EMC: EN 55022 Cl...
Page 11 - IMPORTANT - For Your Safety; Disconnect device; Geräuschemission / Acoustic Noise Emission (For Germany Only)
REGULATIONS ix For Finland and Sweden LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT Varoitus! Laitteen käyttäminen muulla kuin tässä käyttöohjeessa mainitulla tavalla saattaaaltistaa käyttäjän turvallisuusluokan 1 ylittävälle näkymättömälle lasersäteilylle. Varning – Om apparaten används på annat sätt ä...
Page 12 - WARNING - THIS PRINTER MUST BE PROPERLY EARTHED.
USER’S GUIDE x IMPORTANT - Wiring Information (For U.K. only) If the power cord supplied with this printer is not suitable for your electrical outlet, removethe plug from the mains cord and fit an appropriate three pin plug. If the replacement plug isintended to take a fuse then fit the same fuse as...
Page 13 - ABOUT THE GUIDEBOOKS; Finding Out How to Use the Printer
CHAPTER 1 INTRODUCTION CHAPTER 1 –1 CHAPTER 1 INTRODUCTION ABOUT THE GUIDEBOOKS Finding Out How to Use the Printer You have two guidebooks for this printer. Read each guidebook in thefollowing order: 1. Read the Quick Setup Guide to set up your printer and to ensure proper connection with your compu...
Page 14 - ABOUT YOUR PRINTER; Printer Overview
USER’S GUIDE CHAPTER 1 –2 ABOUT YOUR PRINTER Printer Overview Fig. 1-1 Front View ON 1 2 3 4 5 6 7 8 Fig. 1-2 Rear View ✒ Note An RS-422A/RS-232C Serial Interface Port, containing an RS-422A/RS-232C Slide Switch and DIP Switches for Serial setting is optionallyavailable. Some models may have this op...
Page 15 - System Requirements in Brother Printing Solution for Windows
CHAPTER 1 INTRODUCTION CHAPTER 1 –3 System Requirements in Brother Printing Solution for Windows Check the following system requirements to setup and operate the printerin Brother Printing Solution for Windows: • IBM PC or compatible with 80486 SX or higher microprocessor • Parallel interface (or pr...
Page 16 - Optional Apple Macintosh
USER’S GUIDE CHAPTER 1–4 ❏ Remote Printer Console Program for DOS (For HL-730/730Plusseries Only)The utility program, Remote Printer Console (RPC), is available on afloppy disk supplied with your printer. When you operate yourcomputer in the DOS (Disk Operating System) environment, thisprogram allow...
Page 18 - OPERATING AND STORAGE ENVIRONMENT; Power Supply
USER’S GUIDE CHAPTER 1–6 OPERATING AND STORAGE ENVIRONMENT Please take note of the following before using the printer. Power Supply Use the printer within the specified power range. AC power: ±10% of the rated power voltage in your countryFrequency: 50 Hz (220 V– 240 V) or 50/60 Hz (110–120 V) The p...
Page 19 - Do not place objects on top of the printer.
CHAPTER 1 INTRODUCTION CHAPTER 1 –7 Do not subject the printer to strong physical shocks or vibrations. Do not expose the printer to open flames or salty or corrosive gasses. Do not place objects on top of the printer. Do not place the printer near an air conditioner. Keep the printer horizontal whe...
Page 20 - PAPER SPECIFICATIONS; Paper Type
CHAPTER 2 PAPER HANDLING CHAPTER 2 –1 CHAPTER 2 PAPER HANDLING PAPER SPECIFICATIONS The printer can handle paper that has the following specifications. Paper Type Paper Size Cut sheet A4, Letter, Legal, B5, A5, Executive, Custom size(70-216 x 127-356 mm, 2.75-8.5 x 5-14 inches) Envelopes DL, C5, COM...
Page 21 - Remarks; Avoid using coated paper, such as vinyl coated paper.
USER’S GUIDE CHAPTER 2 –2 Remarks It is recommended that you test paper, especially special sizes and types ofpaper, on this printer before purchasing large quantities. Avoid feeding labels with carrier sheets exposed, or your printer will bedamaged. Avoid using coated paper, such as vinyl coated pa...
Page 22 - Unprintable area
CHAPTER 2 PAPER HANDLING CHAPTER 2 –3 The following types of envelopes are not recommended for use. • Damaged, curled, wrinkled, or irregularly shaped envelopes • Extremely shiny or highly textured envelopes • Envelopes with clasps • Envelopes with self-adhesive closures • Envelopes of baggy constru...
Page 23 - MULTI-PURPOSE SHEET FEEDER; Send your file or document to the printer.
USER’S GUIDE CHAPTER 2 –4 MULTI-PURPOSE SHEET FEEDER The printer has a multi-purpose sheet feeder that can feed plain paper,envelopes, transparencies and organizer paper. To use the multi-purpose sheet feeder, follow these steps: 1. Make sure that you have selected the proper paper source, paper siz...
Page 24 - Loading Paper into the Feeder; To load paper into the feeder, follow these steps.; The feeder can hold up to 200 sheets of plain paper (75 g/m
CHAPTER 2 PAPER HANDLING CHAPTER 2 –5 Loading Paper into the Feeder To load paper into the feeder, follow these steps. 1. Open the multi-purpose sheet feeder by gently pulling the lid forward towards you. ( ➀ ). 2. Load paper into the multi-purpose sheet feeder with the printing surface face down. (...
Page 25 - “PAPER JAMS”
USER’S GUIDE CHAPTER 2 –6 3. Move the paper guide to the paper width. ( ➀ ) ! Caution Failure to set the paper guide to the paper size may cause paper skew orjams. 4. Close the multi-purpose sheet feeder. ( ➁ ) Fig. 2-5 Moving the Paper Guide and Closing the Feeder ✒ Note If the multi-purpose sheet ...
Page 26 - The use of very thin or very thick paper is not recommended.
CHAPTER 2 PAPER HANDLING CHAPTER 2 –7 Two Side Printing (Manual Duplexing) The supplied printer driver for Windows 95 or Windows 3.1 enablesmanual duplex printing. For more information about settings, see the helptext in the printer driver. The printer prints all the even numbered pages on one side ...
Page 27 - MANUAL FEED SLOT
USER’S GUIDE CHAPTER 2 –8 MANUAL FEED SLOT The multi-purpose sheet feeder also has a manual feed slot. You canmanually load paper sheet by sheet from this slot. You do not need toremove paper from the multi-purpose sheet feeder when using the manualfeed slot. ❏ When you load one sheet of paper manua...
Page 28 - Insert paper firmly into the manual feed slot.
CHAPTER 2 PAPER HANDLING CHAPTER 2 –9 ✒ Note • Insert paper firmly into the manual feed slot. • Be sure to load sheet by sheet when using the manual feed slot.
Page 29 - OUTPUT TRAY AND PAPER SUPPORT WIRE; Follow these steps to open the output tray:; You can stack up to 100 sheets in the output tray.
USER’S GUIDE CHAPTER 2 –10 OUTPUT TRAY AND PAPER SUPPORT WIRE The printer ejects paper with printed surfaces face down into the output trayat the front of the printer. When the output tray is closed, the ejected paper comes out sheet by sheetthrough the slit at the front. When you open the tray, she...
Page 30 - LAMPS AND SWITCH; “Operator Calls”
CHAPTER 3 CONTROL PANEL CHAPTER 3 –1 CHAPTER 3 CONTROL PANEL LAMPS AND SWITCH This section refers to the following lamps and switch on the printer controlpanel. Drum Alarm Ready Paper Data Toner Fig. 3-1 Lamps and Switch on Control Panel ✒ Note When the power switch is off or the printer is in sleep...
Page 31 - “REPLACING THE TONER; Drum Lamp; “REPLACING THE DRUM UNIT”; Alarm Lamp; “ALARM INDICATIONS AT A GLANCE”
USER’S GUIDE CHAPTER 3 –2 Data (Toner) Lamp The Data lamp indicates the current status of the print data process. Lamp Printer status Off ❍ The printer has no print data. Blinking ❍↔● The printer is receiving data from the computer orthe printer is processing data in memory. On ● Print data remains ...
Page 32 - Switch; Other Control Features; The printer has the following useful features:; Sleep Mode
CHAPTER 3 CONTROL PANEL CHAPTER 3 –3 Switch If you press the switch during printing, the printer immediately stopsprinting and ejects the paper. It is recommended that you wait until the pagehas finished printing, then press the switch, otherwise you will lose data onthe page. If the printer is in s...
Page 33 - Test Print Mode
USER’S GUIDE CHAPTER 3–4 Test Print Mode The printer has the following test print mode. Follow these steps: 1. Make sure that the top cover is closed. 2. Hold down the switch and turn on the power switch. Keep the switch depressed until the Drum lamp comes on. The Drum lamp lights to indicate that t...
Page 35 - If necessary, select the interface type as follows:; Setting the Serial Interface Parameters; Be sure to set the parameters to match your computer as follows:
USER’S GUIDE CHAPTER 4 –2 If necessary, select the interface type as follows: 1. Make sure that the printer is in the off-line state. 2. Select the RS-422A(Apple) or RS-232C(IBM) interface by changing the serial interface slide switch to the right for IBM(RS-232C) or to theleft side for Apple(RS-422...
Page 36 - DTR only
CHAPTER 4 OPTIONS CHAPTER 4 –3 If necessary, set the serial interface parameters as follow: 1. Make sure that the printer is in the off-line state. 2. Set the serial interface parameters by moving up (on) or down (off) the selectors of the dual in-line package (DIP) switch. ON 1 2 3 4 5 6 7 8 Fig. 4...
Page 37 - None; Connecting the Serial Interface Cable
USER’S GUIDE CHAPTER 4 –4 Table 3: Parity Settings Selector 1 Selector 2 Parity On On Odd On Off Even Off — None ✒ Note • The factory settings are indicated in bold. • If the robust Xon setting is turned on with selector 8, the printer sendsXon signals at one second intervals to the connected comput...
Page 38 - Make sure that the power switch is turned off.; interface port of your printer.
CHAPTER 4 OPTIONS CHAPTER 4 –5 You can connect a parallel and a serial interface cable at the same time. Theauto interface selection function allows you to share the printer with twocomputers. To do this, connect the parallel interface cable and then connectthe serial interface cable as follows: 1. ...
Page 39 - MEMORY BOARD
USER’S GUIDE CHAPTER 4–6 MEMORY BOARD Additional memory is useful and maybe necessary if you printing a verycomplex document. Since Brother Printing Solution for Windows relieson effective data compression to ‘squeeze’ a large print job into a smallerspace, there are times when data compression cann...
Page 40 - REPLACING THE TONER CARTRIDGE; “CLEANING THE PRINTER”
CHAPTER 5 MAINTENANCE CHAPTER 5 –1 CHAPTER 5 MAINTENANCE REPLACING THE TONER CARTRIDGE The printer can print approximately 2,200 pages with one toner cartridge.When the toner cartridge is running low, the Alarm and Data (Toner) lampsblink once every 5 seconds to indicate toner low. In USA, Canada an...
Page 41 - possible toner spill or scatter.; Follow these steps to replace the toner cartridge:
USER’S GUIDE CHAPTER 5 –2 ! Caution Keep the drum unit level after removing the toner cartridge, to avoid possible toner spill or scatter. Follow these steps to replace the toner cartridge: 1. Turn off the power switch. 2. Close the output tray and open the top cover. Remove the drum unit by holding...
Page 43 - then remove the protective part.
USER’S GUIDE CHAPTER 5 –4 4. Remove the old toner cartridge from the drum unit by pulling it out gently. Fig. 5-5 Removing the Old Toner Cartridge ! Caution Handle the toner cartridge carefully. If toner scatters on your hands orclothes, wipe or wash it off with cold water immediately. 5. Unpack the...
Page 44 - turn on the power switch.
CHAPTER 5 MAINTENANCE CHAPTER 5 –5 6. Install the new toner cartridge into the right hand side of the drum unit. Make sure that the toner cartridge guide bar is exactly aligned with theguide slot in the drum unit and pushed fully home into the drum unit toensure that the toner cartridge and the drum...
Page 45 - REPLACING THE DRUM UNIT; You should clean the printer when you replace the drum unit. See
USER’S GUIDE CHAPTER 5 –6 REPLACING THE DRUM UNIT The printer uses a drum unit to create the print images on paper. If the Drumlamp is on, it indicates the drum unit is nearly at the end of its life. Werecommend you prepare a new drum unit to replace the current one. Even ifthe Drum lamp is on, you ...
Page 46 - Follow these steps to replace the drum unit:; Remove the toner cartridge from the drum unit and keep it in a safe
CHAPTER 5 MAINTENANCE CHAPTER 5 –7 Follow these steps to replace the drum unit: 1. Turn off the power switch. 2. Close the output tray and open the top cover. Remove the old drum unit. Fig. 5-10 Removing the Drum Unit Warning After you have just used the printer, some internal parts of the printerar...
Page 47 - Do not remove the starter sheet.
USER’S GUIDE CHAPTER 5 –8 Fig. 5-12 Removing the Toner Cartridge 4. Unpack the drum unit and gently shake it five or six times horizontally. Fig. 5-13 Shaking the Drum Unit ! Caution • Do not remove the starter sheet. Fig. 5-14 Do Not Remove the Starter Sheet • Only unpack a drum unit immediately be...
Page 48 - see
CHAPTER 5 MAINTENANCE CHAPTER 5 –9 5. Install the toner cartridge into the new drum unit. For more information, see “REPLACING THE TONER CARTRIDGE” in this chapter. 6. Install the new drum unit into the printer. Fig. 5-15 Installing the Drum Unit 7. Close the top cover. 8. Turn on the power switch. ...
Page 49 - ADJUSTING THE PRINT DENSITY
USER’S GUIDE CHAPTER 5 –10 ADJUSTING THE PRINT DENSITY The print density dial is located inside the printer. You can use it to adjustthe amount of toner applied to the paper. When the toner cartridge and drum unit are replaced, or if the operatingtemperature and humidity are high or low, print condi...
Page 50 - CLEANING THE PRINTER; Cleaning the Printer Exterior; Clean the printer exterior as follows:
CHAPTER 5 MAINTENANCE CHAPTER 5 –11 CLEANING THE PRINTER Clean the printer exterior and interior periodically. If printed pages getstained with toner, clean the printer interior and drum unit. Cleaning the Printer Exterior Clean the printer exterior as follows: 1. Turn off the power switch and unplu...
Page 51 - Cleaning the Printer Interior and Drum Unit; Clean the printer interior and the drum unit as follows:; Take the drum unit out of the printer and put it aside.
USER’S GUIDE CHAPTER 5 –12 Cleaning the Printer Interior and Drum Unit Clean the printer interior and the drum unit as follows: 1. Turn off the power switch and unplug the power cord. Warning There are high voltage electrodes inside the printer. Before cleaningthe printer, make sure to turn off the ...
Page 52 - Gently wipe the scanner window with a soft dry cloth.; Do not touch the scanner window with your finger.
CHAPTER 5 MAINTENANCE CHAPTER 5 –13 4. Gently wipe the scanner window with a soft dry cloth. Fig. 5-22 Cleaning the Scanner Window ! Caution • Do not touch the scanner window with your finger. • Do not wipe the scanner window with cleaning alcohol (isophorol). 5. Turn the drum unit upside down caref...
Page 54 - RE-PACKING THE PRINTER; Remove the drum unit assembly, referring to the previous section.; Remove the drum unit assembly with the toner cartridge included.
CHAPTER 5 MAINTENANCE CHAPTER 5 –15 RE-PACKING THE PRINTER ! Caution Whenever you transport the printer, use the packing materials which areprovided with your printer. Also, follow the steps below to re-pack theprinter, or the printer may be damaged which will void the printer’swarranty. 1. Turn off...
Page 55 - Place the drum unit assembly in the plastic bag and seal the bag; box with the original Styrofoam packing material.
USER’S GUIDE CHAPTER 5–16 4. Place the drum unit assembly in the plastic bag and seal the bag completely. Fig. 5-25 Placing the Drum Unit in the Plastic Bag 5. Close the top cover, the extension wire, and the output tray. 6. Wrap the printer in the plastic bag and place it in the original carton box...
Page 56 - ALARM INDICATIONS AT A GLANCE; Operator Calls
CHAPTER 6 TROUBLESHOOTING CHAPTER 6 –1 CHAPTER 6 TROUBLESHOOTING ALARM INDICATIONS AT A GLANCE Operator Calls If a recoverable error occurs, the printer indicates an ‘operator call’ byblinking the Alarm lamp and any of the following lamps. Find the error and take the proper action to correct it. The...
Page 59 - Service Calls
USER’S GUIDE CHAPTER 6 –4 Service Calls If an unrecoverable error occurs, the printer indicates the need for a servicecall by lighting all the lamps and then the following combination of lampsalternately: Service Call Fusermalfunction Laser BDmalfunction Scannermalfunction ROM error Drum ● ❍ ● ❍ Ala...
Page 60 - PAPER JAMS
CHAPTER 6 TROUBLESHOOTING CHAPTER 6 –5 PAPER JAMS Before you can clear a paper jam error, you need to find the location of thepaper jams. Locate the position referring to the following figure. Fig. 6-1 Locating Paper Jam Position After locating the position, clear the jammed paper referring to thefo...
Page 61 - Paper Jam in the Multi-Purpose Sheet Feeder
USER’S GUIDE CHAPTER 6 –6 ! Caution Do not pull jammed paper from the output tray. Be sure to open the topcover to remove the jam, or the fuser may get dirty with toner powder andmay result in toner scatter on the next printed page or pages. Fig. 6-3 Do Not Pull the Jammed Paper from the Output Tray...
Page 62 - Paper Jam near the Drum Unit or at the Paper Output Tray
CHAPTER 6 TROUBLESHOOTING CHAPTER 6 –7 ❏ Paper Jam near the Drum Unit or at the Paper Output Tray If a paper jam has occurred near the drum unit, open the top cover andremove the drum unit. Then, pull the jammed paper upwards and out ofthe printer. Install the drum unit and close the top cover. Fig....
Page 63 - Setting Up the Printer Hardware; The printer does not print.; Setting Up the Printer for Windows; Question
USER’S GUIDE CHAPTER 6 –8 Q & A This section contains questions and answers for using your printer. If youhave encountered a problem, find the question relating to your problem andtake the steps recommended to correct the problem. Setting Up the Printer Hardware Question Recommendation The print...
Page 64 - Check if the printer has any printer alarms active.
CHAPTER 6 TROUBLESHOOTING CHAPTER 6 –9 Setting Up the Printer for DOS (For HL-730/730Plus series Only) Question Recommendation I cannot print from myapplication software. • Check if the DOS application software interfacesettings match that of your printer: for example, ifyou are using a parallel pri...
Page 65 - Chapter 4; Paper Handling; “Paper Handling”
USER’S GUIDE CHAPTER 6 –10 Setting Up the Printer for Apple Macintosh Computers When theOptional RS-100M Serial Interface Is Installed into Your Printer(For HL-730/730Plus series Only) Question RecommendationI cannot print from myapplication software. • Make sure that the supplied Macintosh printerd...
Page 66 - Printing; Turn on and off the printer or reset the printer.
CHAPTER 6 TROUBLESHOOTING CHAPTER 6 –11 Printing Question RecommendationThe printer prints unexpectedlyor it prints garbage. • Turn on and off the printer or reset the printer. • Make sure your application software is correctly setup to use this printer by checking the printersettings in your applic...
Page 67 - Print Quality
USER’S GUIDE CHAPTER 6 –12 Print Quality ! Caution You will clear a print quality problem by replacing the drum unit with anew one if the Drum lamp is on. The drum unit is at the end of its life. Question RecommendationPrintouts are too dark or light. Turn the print density dial counterclockwise for...
Page 69 - “Cleaning the
USER’S GUIDE CHAPTER 6 –14 Question RecommendationPrinted pages are blurred at thecenter or either edge. Here come Pat-top ,he come. One thing I can tell you is you go to be free. Come together right now, over me. Here come Pat-top ,he come. One thing I can tell you is you go to be free. Come togeth...
Page 70 - APPENDIX A; PRINTER SPECIFICATIONS; Laser Wavelength: 780 nm
APPENDIX APPENDIX A–1 APPENDIX A PRINTER SPECIFICATIONS Printing Print Method Electrophotography by semiconductor laser beam scanning Laser Wavelength: 780 nm Output: 5 mW max Resolution HL-720 series: 600 dots/inch (under Brother Printing Solution forWindows) HL-730 / 730Plus series: 600 dots/inch(...
Page 71 - Functions; disk
USER’S GUIDE APPENDIX A–2 Drum Unit:Life Expectancy: 20,000 pages at 20 pages per job 8,000 pages at 1 page per job NOTE: There are many factors that determine the actual drumlife, such as temperature, humidity, type of paper and toner thatyou use, the number of pages per print job, etc.. Functions ...
Page 72 - Electrical and Mechanical; Power Consumption Printing: 150 W or less
APPENDIX APPENDIX A–3 Electrical and Mechanical Power Source U.S.A. and Canada: AC 110 to 120 V, 50 / 60 Hz Europe and Australia: AC 220 to 240 V, 50 Hz Power Consumption Printing: 150 W or less Stand-by: 35 W or lessSleep: 7 W or less Noise Printing: 48 dB A or less Sleep: 35 dB A or less Temperatu...
Page 73 - PARALLEL INTERFACE SPECIFICATIONS
USER’S GUIDE APPENDIX A –4 PARALLEL INTERFACE SPECIFICATIONS ✒ Note To ensure best quality performance use an IEEE 1284 compliant parallelcable between the printer and your computer. Only IEEE 1284 cablessupport all of the advanced printing capabilities, like bi-directionalcommunication. These cable...
Page 75 - The following bitmapped fonts are resident in this printer.
USER’S GUIDE APPENDIX A –6 RESIDENT FONTS (For HL-730 / 730Plus series Only) The following bitmapped fonts are resident in this printer. Brougham 10 (12 point) upright/normalupright/bolditalic/normalitalic/bold Brougham 12 (10 point) upright/normal upright/bolditalic/normalitalic/bold Letter Gothic ...
Page 77 - INDEX; error
INDEX Index–1 INDEX A Alarm lamp ............................... 3–2, 6–1 auto-emulation switching .................. 1–4 B baud rate ............................................ 4–3 bitmapped font ................................. A–6 C character set...................................... A–7 contro...
Page 78 - print
USER’S GUIDE Index-2 power cord ........................................ 1–2 power switch ..................................... 1–2 ppm ................................................... 1–3 primary corona wire ........................ 5–14 print density ......................................... 5–...
