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4.4 Laser beams •If your eyes are exposed to laser beams, you may lose your eyesight. •Never open the cover if warning label for laser beams is attached there. •Before disassembling and reassembling this laser printer, be sure to turn it OFF. •When servicing this laser printer while it is running, be sure to follow the procedures specified in this manual.
Table of Contents 1. Trademarks ........................ii 2. Copyright Notice ....................... ii Introduction .....................iii 1. About this manual......................v 2. Marks giving caution......................v 3. Related documents......................v 4. Safety ..........................vi 4.1 Power source ............................vi 4.2 Driving units ............................vii 4.3 High-temperature units .........................
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1.1 General .............................. 117 1.2 Printing Method..........................117 1.3 Test Print Pattern ..........................118 2. Diagnosis by Diagnostic Commander ................119 2.1 General .............................. 119 2.2 Preparation ............................120 2.3 Operation of Diagnostic Commander....................121 2.4 Test Print............................123 2.5 Input Test ............................125 2.6 Output Test ............................
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Table of Contents RRP12.8 HOUSING ASSY CONTACT (PL12.1.14)................356 Chapter 4 Plug/Jack (P/J) Connector Locations ......... 359 1. Connector [P (plug) / J (jack)]..................361 1.1 List of P/J ............................361 1.2 P/J layout diagram ..........................364 Chapter 5 Parts List ..................369 1.
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5.11 Electrical ............................448 6. MODES ........................450 6.1 Print Mode............................450 6.2 Operation Modes ..........................450 7. Control .......................... 451 7.1 Control of Paper Size......................... 451 7.2 Selective Control on Paper Pick-up Unit.................... 451 7.3 ROS Light Quantity Control ....................... 451 7.4 Process Control ..........................
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Table of Contents 4.8 Print Mode............................501 4.9 Paper Mode ............................501 4.10 Warm-up Time ..........................502 4.11 FPOT (First Print Output Time)......................502 4.12 Continuous Printing Speed ......................503 4.13 Printing Area ............................ 504 4.14 Input Properties..........................505 4.15 Output Properties..........................505 4.16 Paper ...............................
Index P9 Crease 106 MSI Turn Clutch 432 PHD Detached (Imaging Unit Missing) 44 ROLL TURN 432 PHD Life Over (Replace Imaging Unit) 68 Housing Assy Retard Function 432 Regi Jam (Media Jam Registration) 52 HOUSING ASSY RETARD removal 222 ROS Failure (Call for Service ROS Motor) 56 HSG ASSY BIAS removal 296 Upper Cassette Detached (Adjust Input Bin) 83...
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Electrical 448 Electrical 398 Frame & Drive 446 Frame & Drive 396 Front Assy In 434 Harness 400 Housing Assy Retard 432 Housing Assy Retard 382 Paper Cassette 428 Paper Cassette 374 Paper Feeder 430 Paper Feeder I 376 TCRU Assy 444 Paper Feeder II 378 Xerographics 442 Paper Feeder III 380...
S-HVPS 444 TCRU Assy Function 444 Yellow Toner Cartridge Missing 40 Temperature Sensor 430 Yellow Toner Empty 85 Temperature/Humidity Specification 508 Yellow Toner Low 64 Tertiary Transfer BTR 416 Tertiary transfer 416 Test Print 117, 123 Test Print Pattern 118 Theory of Operation 403 Toner Control 457 Toner Density Control 453...