IBM 6400 Maintenance Information Manual

General Symptom List
113
Operator panel keys do
not work
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. Replace the CMX controller board if the keys do not work.
Table 5. General Symptom List
Symptom Corrective Action

IBM 6400 Specifications

General

Brand	IBM
Model	6400
Category	Printer
Language	English