Table of Contents
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1. OVERALL MACHINE INFORMATION ........................................ 1-1
1.1 SPECIFICATIONS .................................................................................... 1-1
1.2 FEATURES............................................................................................... 1-3
1.3 COMPONENT LAYOUT ........................................................................... 1-7
1.3.1 MECHANICAL COMPONENTS....................................................... 1-7
1.3.2 ELECTRICAL COMPONENTS ........................................................ 1-9
1.4 OVERALL MACHINE CONTROL ........................................................... 1-13
1.5 VIDEO DATA PATH ............................................................................... 1-14
1.5.1 TRANSMISSION............................................................................ 1-14
1.5.2 RECEPTION .................................................................................. 1-15
1.5.3 COPYING ...................................................................................... 1-16
1.6 POWER DISTRIBUTION ........................................................................ 1-17
1.6.1 DISTRIBUTION DIAGRAM ............................................................ 1-17
1.6.2 MEMORY BACK-UP CIRCUIT ...................................................... 1-18
2. DETAILED SECTION DESCRIPTIONS....................................... 2-1
2.1 SCANNER ................................................................................................ 2-1
2.1.1 MECHANISMS................................................................................. 2-1
2.1.2 JAM CONDITIONS .......................................................................... 2-3
2.2 PRINTING................................................................................................. 2-4
2.2.1 PRINTING PROCESS - OVERVIEW ............................................... 2-4
2.2.2 OPC DRUM ..................................................................................... 2-5
2.2.3 CHARGE ......................................................................................... 2-5
2.2.4 LASER EXPOSURE ........................................................................ 2-6
2.2.5 TONER SUPPLY ............................................................................. 2-8
2.2.6 DEVELOPMENT............................................................................ 2-10
2.2.7 PAPER FEED ................................................................................ 2-14
2.2.8 REGISTRATION ............................................................................ 2-19
2.2.9 TRANSFER AND SEPARATION ................................................... 2-21
2.2.10 CLEANING................................................................................... 2-22
2.2.11 FUSING ....................................................................................... 2-23
2.3 SYSTEM FEATURES ............................................................................. 2-27
2.3.1 ENERGY SAVER MODES ............................................................ 2-27
2.3.2 AUTOMATIC SERVICE CALLS..................................................... 2-29
2.3.3 SEP/SUB CODING ........................................................................ 2-30
2.3.4 PAGE SEPARATION AND DATA REDUCTION............................ 2-33
2.3.5 MEMORY RECEPTION CONDITIONS ......................................... 2-35
2.3.6 V.8/V.34 PROTOCOL .................................................................... 2-36
2.3.7 BLANK SHEET DETECTION......................................................... 2-38
2.4 PCBS ...................................................................................................... 2-39
2.4.1 FCU ............................................................................................... 2-39
2.4.2 PSU ............................................................................................... 2-41
2.4.3 NCU (USA/TAIWAN) ..................................................................... 2-42
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