Lexmark OptraImage 443, Service Manual

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3-13
3.1.1.14 Large jitter Large jitter Large jitter Large jitter
Cause
Cause Cause
Cause Relevant Unit
Relevant Unit Relevant Unit
Relevant Unit Check Method
Check Method Check Method
Check Method Maintenance Method
Maintenance Method Maintenance Method
Maintenance Method Remark
Remark Remark
Remark
Power supply-main
control board
connection failure None Visual check Connect the connector. None
Power supply fails Power supply Tester check (+5V,
+24V, GND)
★
Replace the power
supply. None
Motor-main control
PCBA connection
failure None Visual check Connect the connector. None
Motor failure Motor Visual check Replace the motor. None
Table 3.11
Table 3.11 Table 3.11
Table 3.11
★
= Refer to section 4.6.