B800 i SM
B800
TABLE OF CONTENTS
Read This First ............................................................................................................ i
Safety and Symbols ......................................................................................... i
Replacement Procedure Safety .................................................................... i
Symbols Used in this Manual........................................................................ i
Table of Contents............................................................................. ii
1. Replacement and Adjustment.....................................................................1
Rear Cover...................................................................................................... 1
Motors and Clutches ....................................................................................... 2
Lift Motors .................................................................................................... 2
Upper and Lower Paper Feed Clutches ....................................................... 2
Paper Feed Motor ........................................................................................ 3
Main Board...................................................................................................... 4
Paper Feed Unit .............................................................................................. 5
Pick-up, Paper Feed and Separation Rollers .................................................. 6
Lift, Paper End, and Relay Sensors ................................................................ 7
2. Detailed Descriptions....................................................................................... 8
Component Layout .......................................................................................... 8
Mechanical Component Layout.................................................................... 8
Electrical Component Layout ....................................................................... 9
Paper Feed ................................................................................................... 10
Paper Size Detection......................................................................................11
Reverse Roller and Pick-Up Roller Release.................................................. 12
Paper Lift....................................................................................................... 13
Paper Height and End Detection................................................................... 14
Paper Height Detection .............................................................................. 14
Paper End and Bottom Plate...................................................................... 15
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