40496501TH Rev.1 104
6. TROUBLESHOOTING AND REPAIR
6.1 Items to Check Before Repair
(1) Check the inspection items specified in the instruction manual.
(2) Find out as many details of the trouble as possible from the customer.
(3) Inspect in the conditions as close as possible to those at the time the trouble occured.
(4) Proceed with the repair as follows:
Check the trouble status according to Table 6.1 for the details of the troble. Then, locate the
trouble position according to the detailed flowchart.
(5) Carry out a thorough test after the repair to check for correct functioning.
6.2 Troubleshooting Table
Table 6.1
Status Details Flowchart
item No
.
Trouble upon power on • Power is not supplied. 1
• The printer can be powered on, but stays still without 2
displaying anything on the LCD.
• The printer cannot normally complete the initializing 3
operation.
Trouble during printing • A function is not started when the switch pressed. 4
• Ribbon feed trouble. 5
(Alarm lamp flashes, LCD reads “ERROR, RIBBON JAM”)
• Line feed trouble. 6
• Character or dot lack 7
• Thin printing 8
• The printer can normally operate, but not start printing. 9
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