Xerox DocuMate 252 Service Manual page 32
Sheetfed scanner
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Also See for DocuMate 252:
- User manual (133 pages) ,
- Function manual (12 pages) ,
- User manual (123 pages)
Table of Contents
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4.2.2.5
Reading position deviation
Cause
Power supply-
main control
board
connection
failure
Power supply
fails
Motor- main
control PCBA
connection
failure
Motor failure
IR sensor
board- main
control PCBA
cable failure
IR sensor
board- main
control PCBA
cable failure
IR sensor
board (SB21)
failure
Relevant Unit
Check Method
None
Visual check
Power supply
Tester check
(+24V, GND)
None
Visual check
Motor
Visual check
None
Visual check
Sensor board-
Tester or visual
main control
check
PCBA cable
Sensor board
Tester check
Table 4.7
4-12
Maintenance
Method
Connect the
connector.
Replace the
power supply.
Connect the
connector.
Replace the
motor
Connect the
connector
Replace the IR
sensor cable
Replace the
PCBA.
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