Epson LQ 1050 Technical Manual - Page 167

Table 5-4. Symptom and Reference s

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REV.-A Table 5-4. Symptom and Reference Pages Symptom Problem Indicators Printer Does Not Operate . No indicator on the control panel lights. with Power Switch ON q Carriage does not move. Abnormal Carriage Operation . Carriage moves away from home position at power ON. . Although the carriage returns to the home position, the printer does not enter READY mode. Incorrect Printing (in selftest) with Normal Carriage Operation q No printing is executed. q Printhead dot missing. Abnormal Paper Feed q No paper is fed. q Separation between lines varies with irregular paper feed. Abnormal Operation of Control Panel q No paper is fed (by operation of the LF or FF switch) in OFF-LINE mode. q No operation mode is set from the control panel. . ON-LINE or OFF-LINE mode is not obtained. Incorrect Printing in ON-LINE Mode q Carriage operates normally at power ON and the result of the self-test is correct. However, the print data from the computer is not output normally. Reference Page 5-11 5-12 5-13 5-14 5-15 5-16 5-10

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REV.-A
Table 5-4. Symptom and Reference Pages
Symptom
Problem Indicators
Reference
Page
Printer Does Not Operate
. No indicator on the control panel lights.
5-11
with Power Switch ON
Carriage does not move.
Abnormal Carriage
. Carriage moves away from home position at power ON.
Operation
. Although the carriage returns to the home position, the
5-12
printer does not enter READY mode.
Incorrect Printing (in self-
No printing is executed.
test) with Normal Car-
Printhead dot missing.
5-13
riage Operation
Abnormal Paper Feed
No paper is fed.
Separation between lines varies with irregular paper
5-14
feed.
Abnormal Operation of
No paper is fed (by operation of the LF or FF switch)
Control Panel
in OFF-LINE mode.
5-15
No operation mode is set from the control panel.
. ON-LINE or OFF-LINE mode is not obtained.
Incorrect Printing in
Carriage operates normally at power ON and the result
ON-LINE Mode
of the self-test is correct. However, the print data from
5-16
the computer is not output normally.
5-10