Troubleshooting And Repair; Items To Check Before Repair; Troubleshooting Table - Oki PACEMARK 4410 Service Manual

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 trouble. 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

Status
Trouble upon power on
Trouble during printing
Table 6.1
• Power is not supplied.
• No spacing operation.
• Homing does not end normally.
• Wrong character, character omission or dot omission.
• Ribbon feed trouble.
• Line feed trouble.
• Malfunction of switch on operation panel.
• Data receiving failure.
• Data is entered, but the paper does not feed.
• The ALARM indicator on the printer is lit.
• The SELECT indicator on the printer is off.
• Paper jam while paper inset.
• Smearing/ Missing dots.
• Faint or dark print.
Details
104
Flowchart
item No .
1
2
3
4
5
6
7
8
9
0
A
B
C
D