Error Code 79 - Transfer Charger High Voltage Error; Error Code 7A - Precharger High Voltage Error - Printronix L5535 Maintenance Manual

Chapter 4
Status Messages And Error Messages
Error Code 79 — Transfer Charger High Voltage Error
1. Check the seating of the transfer charger.
If the transfer charger is seated properly, go to step 2.
2. Check the transfer charger.
Confirm that the wire or grid of the transfer charger is not distorted or
broken. If there is distortion or damage, replace the wire or the transfer
charger.
3. Check the harness of the transfer charger.
Confirm that high voltage connector –HV1 is connected properly. If it is
OK, go to step 4.
4. Replace the high-voltage power supply.
If the error persists, go to step 5.
5. Replace the MC board.
Error Code 7A — Precharger High Voltage Error
1. Check the seating of the precharger.
Check that the precharger is seated properly. If it is, go to step 2.
2. Check the precharger.
Confirm that the wire or grid of the precharger is not distorted or broken. If
there is distortion or damage, replace the wire or the precharger.
3. Check the harness of the precharger.
Confirm that high voltage connector +HV2 is connected properly. If it is
OK, go to step 4.
4. Replace the high-voltage power supply.
If the error persists, go to step 5.
5. Replace the MC board.
I–168
TRANSFER CHARGER
CHECKLIST:
TRANSFER CHARGER HARNESS
MC BOARD
PRECHARGER
CHECKLIST:
PRECHARGER HARNESS
MC BOARD