Lexmark OptraImage 443, Service Manual

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Lexmark Internal Use Only 3-12
3.1.1.12 3.1.1.12 3.1.1.12 3.1.1.12 Reading is not performed Reading is not performed Reading is not performed Reading is not performed
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
ADF cover open ADF cover Visual check Close the ADF
cover. None
SCSI termination
failure SCSI terminator Visual check Set SCSI terminator
at “on” position. See section 2.4.2
SCSI signal
Connection for
correct SCSI
termination.
Table 3.9 Table 3.9 Table 3.9 Table 3.9
3.1.1.13 Image does not appear
Image does not appear Image does not appear
Image does not appear
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
ADF cover open ADF cover Visual check Close the ADF
cover None
SCSI termination
failure SCSI terminator Visual check Set SCSI
terminator at “on”
position. See section 2.4.2
SCSI signal
connection for
correct SCSI
termination.
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
Lamp failure Lamp Visual check Replace the lamp. None
Inverter failure Inverter Visual check Replace the
inverter. None
CCD board-main
control board
connection failure None Visual check Connect the
connector. None
CCD board fails. CCD Board Visual check Replace the optical
unit. None
Table 3.10 Table 3.10 Table 3.10 Table 3.10