Troubleshooting For Scanner - Epson Stylus Photo RX700 Service Manual

EPSON Stylus Photo RX700

3.6 Troubleshooting for Scanner

This section describes repair/service for the Scanner mechanism. In troubleshooting,
first identify the trouble at the unit level based on the observation.
According to the observation as described in Table 3-16, perform the necessary
checking by referring to the appropriate table.
Scanner Errors at User Level
Table 3-15. Scanner Errors at User Level
Error Cause
Scanner error • Lamp has burnt out.
• Power is turned on without
unlocking the scanner.
• The scanner carriage is
interfering with any other part.
Command error Undefined command is detected. When correct command is received, error
Scanner open Scanner cover is open.
Troubleshooting
Remedy
• Unlock the CR.
• Replace the scanner lamp.
• Replace the scanner carriage unit.
• Remove the obstacle.
status is cancelled.
Turn the power off once and then turn it
on again.
Close the cover.
Troubleshooting for Scanner
Observation of Trouble and Reference for Remedy
Table 3-16. 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 not
CR unit operates but error is indicated.
cleared even after power is turned off
The fluorescent lamp does not turn on.
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.
Scanner does not operate for initialization
Table 3-17. Scanner does not operate for initialization
Cause Check Point
Connector is disconnected. 1. Check each connector
for disconnection?
Revision A
Reference for
Description of Trouble
Remedy
Table 3-17
Table 3-18
Table 3-19
Table 3-20
Table 3-21
Table 3-13
Yes/No Remedy
Connect the disconnected
Yes
connector.
No Replace the main board.
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