2-2 Service Manual
24xx
Error Indication Table
The following table describes the service check entries for the printer
error indication codes.
When an error indication changes after you have entered a service
check, you have an intermittent problem. If this occurs, leave the
service check and go to “Symptom Check Table” on page 2-5.
LED Status Alarm Action
Power
Ready
Tractor 2
Paper Out
Panel Lock
Font Lock
ON
ON
ON
ON
ON
ON
None POST
RAM, ROM Controller Error
Go to “POST Service Check” on
page 2-26.
Power
Ready
Paper Out
Panel Lock
ON
Blinking
Blinking
Blinking
None Switch Scan Test Error
Go to “Operator Panel Service
Check” on page 2-21.
Power
Ready
Paper Out
Font Lock
ON
Blinking
Blinking
Blinking
None NVRAM Read/Write Error
Turn the printer off and then back
on. If you get the same error
during power-up, replace the logic
board and readjust the
bidirectional print adjustment. Go
to “Bidirectional Print
Adjustment” on page 4-4.
If the printer completes POST
successfully and eventually gets
the same error, go to
“Intermittent Problem Service
Check” on page 2-18.
