Scan Module Does Not Move To Lock Position - Lexmark OptraImage 443 Service Manual

3.1.1.8 3.1.1.8 3.1.1.8 3.1.1.8

Scan module does not move to lock position

Scan module does not move to lock position Scan module does not move to lock position Scan module does not move to lock position
Cause Cause
Cause Cause
Flatbed CCD board-
main control PCBA
cable failure.
Home position sensor
board failure
Motor-main control
PCBA connection
failure
Motor failure
Power supply-main
control board
connection failure
Power supply fails.
= See section 1.4.3 Wiring configuration
= Refer to section 4.6
Lexmark Internal Use Only
Relevant Unit Relevant Unit Check Method Check Method
Relevant Unit Relevant Unit Check Method Check Method
Sensor board-main Tester or visual
control PCBA cable check
CCD board Tester check
None Visual check
Motor Visual check
None Visual check
Power supply Tester check (+24V,
GND)
Table 3.4 Table 3.4 Table 3.4 Table 3.4
3-8
Maintenance Method Maintenance Method Remark Remark
Maintenance Method Maintenance Method Remark Remark
Replace the home
position cable.
Replace the CCD None
PCBA
Connect the None
connector.
Replace the motor. None
Connect the None
connector.
Replace the power None
supply.