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

3.1.1.9 3.1.1.9

Scan module does not move to the home position

Scan module does not move to the home position
3.1.1.9 3.1.1.9 Scan module does not move to the home position Scan module does not move to the home position
Cause Cause Cause Cause
Home position sensor
board-main control
PCBA connection
failure
Home position sensor
board-main control
PCBA cable failure
Home position sensor
board failure
Power supply-main
control board
connection failure
Power supply fails
Lamp failure
Inverter failure
CCD board-main
control board
connection failure
CCD board fails
= See section 1.4.3 Wiring configuration
= Refer to section 4.6
Relevant Unit Relevant Unit Relevant Unit Relevant Unit Check Method Check Method Check Method Check Method
None Visual check
Sensor board-main Tester or visual
control PCBA cable check
Sensor board Tester check
None Visual check
Power supply Tester check (+5V,
+24V, GND)
Lamp Visual check
Inverter Visual check
None Visual check
CCD board Tester check
Table 3.5 Table 3.5 Table 3.5 Table 3.5
3-9
Maintenance Method Maintenance Method Maintenance Method Maintenance Method Remark Remark Remark Remark
Connect the None
connector.
Replace the home
position sensor cable.
Replace the PCBA. None
Connect the None
connector.
Replace the power None
supply.
Replace the lamp. None
Replace the inverter. None
Connect the None
connector
Replace the optical None
unit