HP 3500 Service Manual - Page 395

Table 7-14. Fuser/face-down delivery area (continued) Cause Solution Defective face down delivery sensor lever. Reseat the face-down delivery sensor lever if it does not move smoothly or it is out of position. Replace the lever if damaged or deformed. Defective fuser delivery sensor lever. Reseat the fuser delivery sensor lever if it does not move smoothly or it is out of position. Replace the lever if damaged or deformed. The rotation of the fuser sleeve or pressure roller is not smooth. Replace the fuser if worn or chipped. Bumps on the fuser inlet guide due to dirt/ Clean the guide. scratches/adhered toner. Dirty/Worn/Deformed fuser sleeve or pressure roller. Clean the fuser sleeve and pressure roller if there are any bumps of dirt or toner.Replace the fuser if deformed or scratched. Worn face down delivery roller. Replace the face down delivery roller. Damaged face down delivery roller drive gears. If damaged or worn, replace the face down delivery roller drive gear. If the delivery belt is damaged, replace the belt. Defective DC controller PCB. Replace the DC controller PCB. Upper rear door area jams (area 6) The message 13.XX.YY JAM INSIDE UPPER REAR DOOR can appear on the printer control panel if the upper rear door is open. Make sure the upper rear door is closed when printing. 1. Remove any paper visible in the top output bin. ? ENWW Paper path troubleshooting 371