Unusual Printing Operation; Drive Assembly Not Working - Star Micronics WinType 4000 Technical Manual

TROUBLESHOOTING

2.11.2 Unusual Printing Operation

Step
1 (Initial Check)
Are any parts broken, malformed, incorrectly installed
or different from those listed in the specifications?
• Principle Parts to be Checked:
(1) MCU PWB, (2) HVPS, (3) LVPS assembly
2 Is the printing operation not being executed at all?
3 Does it print normally in test print mode?
4 Is the CPU reset during the printing operation?
5 (Check the MCU PWB.)
Does the problem recur even though the MCU PWB
has been replaced?

2.11.3 Drive Assembly Not Working

Step
1 (Initial Check)
Are any parts broken, malformed, incorrectly installed
or different from those listed in the specifications?
• Principle Parts to be Checked:
(1) Drive assembly, (2) MCU PWB
(3) HVPS assembly
2 (Check the main motor.)
Is the main motor operating normally?
• After executing diagnosis code 90, check that the
parts are operating correctly.
Check
Check
– 130 –
Remedy
YES
Replace the part or
install the part
correctly.
See step 3.
See step 5.
See section 3.16
Noise.
Check the host
computer.
Remedy
YES
Replace the part or
install the part
correctly.
Replace the MCU
PWB. Faulty Drive Assem-
NO
See step 2.
See step 4.
Replace the MCU
PWB.
See step 5.
Countermeasure is
completed.
NO
See step 2.
See section 3.12
bly.