(2) Main charger unit...............................................................................................................................2-1-5
2-1-3 Optical section ........................................................................................................................................2-1-6
(1) Scanner unit ......................................................................................................................................2-1-6
(2) Image scanner unit (ISU) ..................................................................................................................2-1-7
(3) Laser scanner unit.............................................................................................................................2-1-9
2-1-4 Developing section................................................................................................................................2-1-11
2-1-5 Transfer/separation section ..................................................................................................................2-1-12
2-1-6 Cleaning section ...................................................................................................................................2-1-13
2-1-7 Fuser section ........................................................................................................................................2-1-14
2-1-8 Paper exit section .................................................................................................................................2-1-16
2-1-9 Duplex/conveying section .....................................................................................................................2-1-18
2-1-10 DP section.............................................................................................................................................2-1-19
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout..............................................................................................................................2-2-1
(1) PWBs ................................................................................................................................................2-2-1
(2) Switches and sensors .......................................................................................................................2-2-3
(3) Other electrical components..............................................................................................................2-2-4
(4) DP .....................................................................................................................................................2-2-5
2-3 Operation of the PWBs
2-3-1 Power source PWB.................................................................................................................................2-3-1
2-3-2 Control PWB ...........................................................................................................................................2-3-3
2-3-3 Scanner PWB .........................................................................................................................................2-3-9
2-3-4 DP driver PWB......................................................................................................................................2-3-12
2-4 Appendixes
2-4-1 Appendixes .............................................................................................................................................2-4-1
(1) Wiring diagram ..................................................................................................................................2-4-1
(2) Repetitive defects gauge...................................................................................................................2-4-3
(3) Maintenance parts list .......................................................................................................................2-4-4
Summary of Contents for d-Copia 284MF
Page 1: ...d Copia 284MF Digital Copier SERVICE MANUAL Code Y111030 4...
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Page 246: ...2JN 2 3 12 2 3 4 DP driver PWB Refer to the DP s service manual Service Manual Y111030 4...
Page 251: ...UPDATING STATUS DATE UPDATED PAGES PAGES CODE 09 2009 1ST EDITION 251 Y111030 4...