IBM 6500-V5P Maintenance Manual - Page 204

Symptom Printer does not print self tests Print format parameters change between print jobs. General Symptom List Table 5. General Symptom List Corrective Action 1. Power off and unplug the printer. Remove the paper guide assembly or pedestal top cover. Disconnect the operator panel cable from connector J110 on the controller board. Disconnect the operator panel cable from the operator panel. Check continuity of the operator panel cable assembly. Replace the operator panel cable assembly if it fails continuity test. 2. Connect the operator panel cable assembly to J110 on the controller board and to the operator panel. Power on the printer. Load paper. Run a self test. If the self test does not run, replace the operator panel assembly. 3. Check the shuttle for electrical shorts (page 252). 4. Plug in the printer and power it on. Run a self test. If the self test does not run, the controller board or microcode is suspect. Do the following: 5. Save the printer configuration values. (Refer to the User's Manual.) 6. Clear NVRAM (page 237). 7. Download and install the latest code from IBM First (page 231). 8. Power on the printer in download mode and load flash memory (page 238). a. If you encounter loading problems, go to the appropriate error code for resolution. b. If you encounter the failure or message that brought you to this procedure, replace the controller board (page 319). After replacing the controller board, DO NOT make the printer READY, but proceed immediately to the next step. 9. Download and install the latest code from IBM First (page 231). 10. Power on the printer in download mode and load flash memory (page 238). 11. If you encounter the failure after replacing the controller board, reinstall the original controller board and contact your DDS and Second Level Support. 1. Check the printer configuration for the proper values of CPI, LPI, print quality, forms length, and width. 2. Refer to the reset command description in the User's Manual. 204