Troubleshooting For Scanner - Epson Stylus CX3100 Service Manual

EPSON Stylus CX3100/3200

3.3 Troubleshooting for Scanner

This section describes repair / service for the Scanner mechanism. In troubleshooting,
first the trouble is identified at the unit level based on the observation.
According to the observation as described in
checking by referring to the appropriate table.
Table 3-5. Scanner Errors at User Level
Error Cause
• Lamp has burnt out.
Scanner error
• Power is turned on
without unlocking the
scanner.
• The scanner carriage is
interfering with any other
part.
Command error Undefined command is
detected.
Scanner open Scanner cover is open.
Troubleshooting
Table 3-6, perform the necessary
Remedy
• Unlock the CR.
• Replace the scanner lamp.
• Replace the scanner carriage unit.
• Remove the obstacle.
When correct command is received, error
status is cancelled.
Turn the power off once and then turn it on
again.
Close the cover.
Troubleshooting for Scanner
Table 3-6. Observation of Trouble and Reference for Remedy
Observation
Even with power turned on, the The machine does not operate for
machine does not operate. initialization.
"Fatal error" occurred. CR unit does not operate.
Indication error occurs and it is
CR unit operates but error is indicated.
not cleared even after power is
The fluorescent lamp does not turn on.
turned off once and then turned
on again.
Picture is not read clearly. Picture is not read clearly.
"Communication error". USB interface error
Indication error occurs and
when communication with the
host is tried again,
"Communication error" recurs.
Table 3-7. Scanner does not operate for initialization
Cause Step Check Point
Connector is Check all connectors for
disconnected. disconnection?
1
Revision A
Reference for
Description of Trouble
Remedy
Table 3-7
Table 3-8
Table 3-9
Table 3-10
Table 3-11
Table 3-12
Yes/No Remedy
Connect the disconnected
Yes
connector.
No Replace the main board.
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