Star Micronics WinType 4000 Technical Manual page 152

TROUBLESHOOTING
Step
9 (Check the HVPS.)
Does the problem recur if diagnosis codes 91 ~ 95 are
executed with the drive assembly spring and all of the
connectors except P/J151 removed?
• Check with all the covers installed.
10 Does the problem recur if diagnosis codes 91 ~ 95 are
executed with all of the connectors removed?
• Check with the EP toner cartridge and all the
covers installed.
11 (Check the drive assembly.)
Does the HVPS touch the end of the plate spring on
the drive assembly?
12 (Check the EP toner cartridge.)
Does the problem recur if diagnosis codes 91 ~ 95 are
executed after replacing the EP toner cartridge?
Check
– 148 –
Remedy
YES
See step 10.
See step 11.
See step 12.
Be sure that the
drive assembly
touches the EP toner
cartridge.
NO
Replace the HVPS.
Replace the MCU
PWB.
Replace the drive
assembly.
Replace the EP toner
cartridge.