Gestetner 9920 Operator's Manual page 141

Troubleshooting
Code Possible Cause
9-17 There is a problem with your printer.
9-20
9-22
9-23
9-24
9-29
9-50
9-51
9-80
9-82
Note
When an error occurs, it does not mean that you are doing anything wrong or
that your machine needs service. Only if the problem persists should you call
your service representative.
6
128