TOC
i
A251/A252
TABLE OF CONTENTS
1. OVERALL MACHINE INFORMATION
.........................................
1-1
1.1 SPECIFICATIONS
.....................................................................................
1-1
1.2 PAPER PATH
............................................................................................
1-3
1.4 MECHANICAL COMPONENT
...................................................................
1-4
1.5 DRIVE LAYOUT
........................................................................................
1-6
1.6 ELECTRICAL COMPONENT DESCRIPTIONS
........................................
1-7
2. DETAILED SECTION DESCRIPTIONS
........................................
2-1
2.1 DRUM
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2-1
2.1.2 DRUM DRIVE
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2-1
2.3 EXPOSURE
...............................................................................................
2-2
2.3.2 PAPER AND ORIGINAL FEED (A252 ONLY)
............................................................
2-2
2.4 DEVELOPMENT
........................................................................................
2-4
2.4.2 TONER DENSITY CONTROL
.....................................................................................
2-4
2.8 FUSING AND PAPER EXIT
......................................................................
2-5
2.8.1 OVERVIEW (A252 COPIER)
......................................................................................
2-5
3. INSTALLATION
............................................................................
3-1
3.1 INSTALLATION REQUIREMENTS
...........................................................
3-1
3.1.1 ENVIRONMENT
..........................................................................................................
3-1
3.1.2 MINIMUM SPACE REQUIREMENTS
.........................................................................
3-2
3.1.3 MACHINE LEVEL
........................................................................................................
3-2
3.1.4 POWER SOURCE
......................................................................................................
3-3
3.2 INSTALLATION PROCEDURES
...............................................................
3-4
3.2.1 COPIER
.......................................................................................................................
3-4
3.2.2 TABLE (A836)
...........................................................................................................
3-12
3.2.3 COPY TRAY (A836-10)
.............................................................................................
3-14
3.2.4 ROLLER FEEDER (A571)
.........................................................................................
3-18
4. SERVICE TABLES
.......................................................................
4-1
4.3 SERVICE TOOLS
......................................................................................
4-1
4.3.1 SERVICE PROGRAM MODE
.....................................................................................
4-1
4.3.2 INPUT/OUTPUT CHECK MODE
................................................................................
4-9
4.4 JAM CODE LIST
......................................................................................
4-11
4.4.2 JAM CODE TABLE
....................................................................................................
4-11
4.6 SERVICE REMARKS
..............................................................................
4-15
4.6.12 AC DRIVE BOARD
..................................................................................................
4-15
5. REPLACEMENT AND ADJUSTMENT
.........................................
5-1
5.2 OPTICS
.....................................................................................................
5-1
5.2.1 ORIGINAL FEED UNIT REMOVAL (A252 ONLY)
......................................................
5-1
5.2.2 EXPOSURE GLASS REMOVAL (A252 ONLY)
..........................................................
5-2
5.2.3 FIBER OPTICS ARRAY REMOVAL (A252 ONLY)
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5-2
5.2.4 EXPOSURE LAMP REMOVAL
...................................................................................
5-3
5.2.5 LIGHT SENSOR REPLACEMENT (A252 ONLY)
.......................................................
5-4
5.2.6 SYNCHRO-CUT LENGTH ADJUSTMENT (A252 ONLY)
..........................................
5-5
5.4 DRUM UNIT
...............................................................................................
5-6
5.4.1 DRUM UNIT REMOVAL
..............................................................................................
5-6