IBM Infoprint 6500-v05 Maintenance Manual page 183

Symptom
Operator panel keys do not work
Table 5. General Symptom List
1. Power on the printer. Check the operation of the operator panel keys. Replace the operator panel if
keys do not work.
2. Power on the printer. Check the operation of the operator panel keys. Replace the operator panel
cable assembly if keys do not work.
3. Power on the printer. Check the operation of the operator panel keys. If the keys do not work,
replace the controller board (page 319). After replacing the controller board, DO NOT make the
printer READY, but proceed immediately to the next step.
4. Download and install the latest code from IBM First (page 231).
5. Power on the printer in download mode and load flash memory (page 238).
6. If you encounter the failure after replacing the controller board, reinstall the original controller board
and contact your DDS and Second Level Support.
Corrective Action
General Symptom List
183