IBM 6500-V5P Maintenance Manual - Page 177

General Symptom List Symptom CLEAR JAM message will not clear and paper does not move Table 5. General Symptom List Corrective Action 1. Power off and unplug the printer. Remove the paper guide assembly or pedestal top cover. Make sure connector P107/PAPR M is fully seated in connector J107 on the controller board. For -v20 models, check connector J103 on the controller board. 2. If the platen gap is correct, remove the shuttle frame assembly and check the following: a. Inspect the hammer bank cover assembly for ribbon debris, paper debris, or other foreign matter. Make sure the four foam spacers on the ribbon mask are properly seated. If the ribbon mask or hammer bank cover is damaged or deformed, replace it. b. Inspect the paper ironer for distortion or misalignment. Reposition or replace it if necessary. c. Make sure the paper guides are properly seated on the splined and support shafts and that their lower ends are seated in the groove on the upper forward edge of the platen. d. Make sure the paper entrance guide pivots freely with minimal down force. Reposition the springs or the guide if necessary. e. Check for correct position and function of the paper motion detector assembly. Reposition or replace if necessary. f. Inspect the paper path from above (below the paper ironer), and from below (above the paper entrance guide), for debris, foreign matter, or anything that could inhibit paper motion. Correct as necessary. 3. Check and adjust the paper feed timing belt. Replace the belt if it is damaged. 4. Power on the printer. Load paper. Press FORM FEED and VIEW several times and check that paper moves correctly in both directions. Replace the paper feed motor if the message appears or the paper moves erratically. 5. Check for heavily tented horizontal perforations in the paper. If horizontal perforations are heavily tented, consider setting the "Set Platen at BOF" configuration option (in the Printer Control menu) to Open. (Refer to the User's Manual.) 6. Check the shuttle for electrical shorts (page 252). 7. Power on the printer. Press FORM FEED and VIEW several times and check that paper moves correctly in both directions. If the message appears or the paper moves erratically, the controller board or microcode is suspect. Do the following: 8. Save the printer configuration values. (Refer to the User's Manual.) 177