Specifications

1-1. PRECAUTIONS FOR DISASSEMBLY/ADJUSTMENTS . . . D-1
1-2. INSTRUCTIONS FOR HANDLING THE PWBs WITH
MOS ICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-3
1-3. HANDLING OF THE PC DRUM . . . . . . . . . . . . . . . . . . . . . . . D-3
1-4. PARTS WHICH MUST NOT BE TOUCHED . . . . . . . . . . . . . D-5
2-1. DOORS, COVERS, AND EXTERIOR PARTS:
IDENTIFICATION AND REMOVAL PROCEDURES. . . . . . . D-6
2-2. REMOVAL OF CIRCUIT BOARDS AND OTHER
ELECTRICAL COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . D-9
2-3. PAPER TAKE-UP/TRANSPORT SECTION
(1) Removal of the Paper Take-Up Unit . . . . . . . . . . . . . . . . . D-12
(2) Replacement of the Paper Take-Up Clutch . . . . . . . . . . . D-13
(3) Replacement of the Paper Take-Up Roll, Paper Feed
Roll, and Paper Separator Roll Assy. . . . . . . . . . . . . . . . . D-14
(4) Cleaning of the Vertical Transport Rollers . . . . . . . . . . . . D-16
(5) Replacement of the Vertical Transport Rollers. . . . . . . . . D-16
(6) Removal of the Lift-Up Motor (Metric areas only). . . . . . . D-17
(7) Removal of the Synchronizing Rollers Unit. . . . . . . . . . . . D-18
(8) Disassembly of the Synchronizing Rollers Unit . . . . . . . . D-19
(9) Removal of the Suction Belts. . . . . . . . . . . . . . . . . . . . . . . D-21
(10) Disassembly of the Multi Bypass Unit . . . . . . . . . . . . . . . D-22
(11) Removal of the 3rd Drawer . . . . . . . . . . . . . . . . . . . . . . . D-25
(12) Removal of the 3rd Drawer Wires . . . . . . . . . . . . . . . . . . D-25
(13) Removal of the Paper Drawer (Inch areas only) . . . . . . D-27
(14) Removal of the Lift-Up Motor (Inch areas only) . . . . . . . D-28
2-4. OPTICAL SECTION
(1) Cleaning of the Original Glass . . . . . . . . . . . . . . . . . . . . . . D-29
(2) Cleaning of the Scanner Rails/Bushings. . . . . . . . . . . . . . D-29
(3) Removal of the Scanner . . . . . . . . . . . . . . . . . . . . . . . . . . D-29
(4) Cleaning of the Exposure Lamp. . . . . . . . . . . . . . . . . . . . . D-30
(5) Resetting of the Exposure Lamp Thermal Switch . . . . . . D-30
(6) Cleaning of the 1st, 2nd, and 3rd Mirrors and Original
Size Detecting Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . D-31
(7) Cleaning of the Lens and 4th and 5th Mirrors. . . . . . . . . . D-31
(8) Cleaning of the 6th Mirror and Image Erase Lamp . . . . . D-32
(9) Replacement of the Cooling Fan Filter . . . . . . . . . . . . . . . D-32
CONTENTS
1 SERVICE INSTRUCTIONS
2 DISASSEMBLY/REASSEMBLY
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