2HA/2HB
1-5 Assembly and Disassembly
1-5-1 Precautions for assembly and disassembly............................................................................................1-5-1
(1) Precautions .......................................................................................................................................1-5-1
(2) Drum..................................................................................................................................................1-5-1
(3) Toner .................................................................................................................................................1-5-1
(4) Running a maintenance item.............................................................................................................1-5-2
1-5-2 Paper feed section ..................................................................................................................................1-5-3
(1) Detaching and refitting the separation pulley ....................................................................................1-5-3
(2) Detaching and refitting the forwarding pulley and paper feed pulley.................................................1-5-5
(3) Detaching and refitting the paper conveying unit ..............................................................................1-5-7
(4) Detaching and refitting the MP paper feed pulley and MP separation pad .......................................1-5-9
(5) Detaching and refitting the registration left roller.............................................................................1-5-11
(6) Detaching and refitting the registration cleaner...............................................................................1-5-11
1-5-3 Optical section ......................................................................................................................................1-5-12
(1) Detaching and refitting the exposure lamp......................................................................................1-5-12
(2) Detaching and refitting the scanner wires .......................................................................................1-5-13
(2-1) Detaching the scanner wires ...................................................................................................1-5-13
(2-2) Fitting the scanner wires .........................................................................................................1-5-15
(3) Detaching and refitting the ISU (reference).....................................................................................1-5-18
(4) Detaching and refitting the laser scanner unit .................................................................................1-5-19
(5) Adjusting the longitudinal squareness (reference) ..........................................................................1-5-22
1-5-4 Drum section.........................................................................................................................................1-5-23
(1) Detaching and refitting the drum unit ..............................................................................................1-5-23
(2) Detaching and refitting the drum separation claws .........................................................................1-5-24
(3) Detaching and refitting the main charger unit..................................................................................1-5-25
1-5-5 Developing section................................................................................................................................1-5-26
(1) Detaching and refitting the developing unit ....................................................................................1-5-26
1-5-6 Transfer section ....................................................................................................................................1-5-27
(1) Detaching and refitting the transfer roller ........................................................................................1-5-27
1-5-7 Fuser section ........................................................................................................................................1-5-28
(1) Detaching and refitting the fuser unit...............................................................................................1-5-28
(2) Detaching and refitting the press roller............................................................................................1-5-30
(3) Detaching and refitting the fuser heater M and S............................................................................1-5-31
(4) Detaching and refitting the heat roller separation claws..................................................................1-5-32
(5) Detaching and refitting the heat roller .............................................................................................1-5-33
(6) Detaching and refitting the fuser thermostat ...................................................................................1-5-34
(7) Detaching and refitting the fuser thermistor ....................................................................................1-5-34
(8) Adjusting the fuser unit height (adjusting lateral squareness).........................................................1-5-35
1-6 Requirements on PWB Replacement
1-6-1 Upgrading the firmware on the main PWB..............................................................................................1-6-1
1-6-2 Adjustment-free variable resistors (VR) ..................................................................................................1-6-2
1-6-3 Remarks on PWBs replacement.............................................................................................................1-6-2
2-1 Mechanical construction
2-1-1 Paper feed section ..................................................................................................................................2-1-1
2-1-2 Optical section ........................................................................................................................................2-1-3
(1) Original scanning...............................................................................................................................2-1-4
(2) Image printing....................................................................................................................................2-1-5
2-1-3 Drum section...........................................................................................................................................2-1-7
2-1-4 Developing section..................................................................................................................................2-1-8
(1) Formation of magnetic brush.............................................................................................................2-1-9
(2) Single component developing system.............................................................................................2-1-10
2-1-5 Transfer and separation sections..........................................................................................................2-1-11
2-1-6 Fuser section ........................................................................................................................................2-1-12
2-1-7 Exit and switchback sections ................................................................................................................2-1-13
2-1-8 Duplex section ......................................................................................................................................2-1-14
(1) Paper conveying operation in duplex copying.................................................................................2-1-15
Summary of Contents for d-Copia 1600
Page 1: ...SERVICE MANUAL Published in October 2005 842HB110 First Edition d Copia 1600 d Copia 2000...
Page 3: ...Revision history Revision Date Replaced pages Remarks...
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Page 14: ...2HA 2HB 1 4 30 This page is intentionally left blank...
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Page 213: ...INSTALLATION GUIDE FOR THE 300 SHEET CASSETTE...
Page 220: ...INSTALLATION GUIDE FOR THE DOCUMENT PROCESSOR...
Page 231: ...INSTALLATION GUIDE FOR THE DUPLEX UNIT...
Page 239: ...INSTALLATION GUIDE FOR THE Printing System X...
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