Epson GT-1200, Руководство по обслуживанию

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GT-12000 Troubleshooting
Rev. A
3-1
3.1 OVERVIEW
This chapter describes the troubleshooting which enables you to solve the
problem efficiently when the scanner is operating abnormally. The
remedies for the errors detected by the self-diagnostic function and the
check point for each phenomenon are described in the following sections.
3.1.1 Error Detection by the Self-Diagnostic Function
The self-diagnostic function equipped with this scanner automatically
detects operating status of each part. The abnormal phenomenon
detected by the function and remedies are as follows:
Command Error
LED Status Cause Operation/Condition
READY
ERROR
Undefined command
is detected. Ignores the wrong command
/parameter (No change made
for the current settings.), and
returns NACK to wait for the
next command/ parameter.
Remedy
The error is cleared by the correct command/
parameter.
Communication Error
LED Status Cause
Operation/
Condition
READY
ERROR
·
Wrong procedure/operation is
detected in communication.
·
In case of SCSI, communication
stops for over 30 seconds in
any phase other than bus free
phase.
The lamp goes
off and the
scanner stops
operating.
Remedy
Turn the scanner Off and back On or press the
“RESET” switch.
Fatal Error
LED Status Cause Operation/Condition
READY
ERROR
<Defect in the hardware>
·
The lamp does not light.
·
Scanner is turned on with
the CR unlocked.
·
Other defects in the
scanner.
·
The lamp goes off
and the scanner
stops operating.
·
Sets the status bit
“7”.
Remedy
Turn the scanner Off and back On or press the
“RESET” switch.
Option Error
LED Status Cause Operation/Condition
READY
ERROR
<Defect in the options>
·
The scanner cover is left
open.
·
Paper end, etc..
Sets the status bit “7”.
Remedy Remove the cause of the error.
CHECK POINT
ü ü ü ü
[Option Error] is detected when the option is
installed in the operative condition only.