john

asked Oct 24, 2004 at 10:16am
Ibm IBM Laser Printer 4019

IBM 4019

My IBM 4019 suddenly started printing full black on about 3/4 of each page edge to edge. the error code is 9-4. I don't have a manual so don't know exactly the error source. Sometimes it reverts to normal operation for a few pages but then the error returns. Everything from test pages to basic text has the same symptom. Any suggestions?