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........................................................................................................ 2-1
2.1.2 DRUM DRIVE..............................................................................................................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).....................................................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