Epson TM U200D - B/W Dot-matrix Printer, Техническое руководство

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4-14 Troubleshooting Rev.B
Error Types and Countermeasures
Follow the flowcharts on the next page based on the ERROR LED blinking patterns in the table
below and repair the printer. The printer does the following when an error occurs:
❏
All operations stop
❏
The printer goes off-line (when DIP SW2-3 is off)
❏
The ERROR LED blinks.
ERROR LED blinking patterns
Error ERROR LED Blinking Pattern Error Description Action
(1) Head high-temper-
ature error ( 1) Print head temperature is too high.
*
(2) Auto cutter error
There is an abnormality in the
auto cutter.
(3) Memory or gate
array read/write
error Read/write check has failed.
(4) High-voltage error Power supply voltage is too high.
(5) Low-voltage error Power supply voltage is too low.
(6) CPU execution
error CPU is trying to execute an invalid
address.
(7) Thermistor error There is an abnormality in detecting
the print head temperature or the print
head rank can not be read correctly.
Action 1
Action 2
Action 3
Action 4
Action 5
Action 6
Action 7
( 1) This error can occur for a short time during normal printing, when the print head reaches a high temperature. No repair
is necessary in this case.
*
160 ms
3
4
4
3
Home position
detection error
Home position cannot be detected
due to a paper jam or other problem.
Print head
temperature
detection error.
Print head temperature is out of
normal operating range.