Jam locations by error message Use Figure 7-5 and Table 7-4 to troubleshoot jams by the error message received. For instructions on clearing jams, see the sections later in this chapter. 10 11 7 12 6 5 13 14 1 3 2 Figure 7-5 Jam locations by error message See the next page for the Color LaserJet 4550 associated error messages. Table 7-4 HP Color LaserJet 4500 jam locations and associated error messages C7085-90921 Chapter 7 Troubleshooting 239 9 8 4 1 13.11 Paper in the paper path is 8 too long. Check the Tray 1 area. Check the entire paper path. 13.3 Jam in duplex reverse unit. Inspect the rear of the duplex unit and the duplex tray. 2 13.10 Paper in the paper path is 9 too short.
Check the Tray 1 area. Check the entire paper path. 13.2 Jam in fusing area. Check the fuser assembly, output assembly, and duplex unit. 3 13.9 Irregular jam in the paper 1 path. Check the Tray 1 area. Check the entire paper path. 0 13.1 Jam in fusing area. Check the fuser assembly, output assembly, and duplex unit. 4 13.8 Door-open jam. Check the 1 rear door, duplex cover, and rear output door. 13.7 Jam in paper feed area. Check the entire paper path. Loose toner or paper dust on the density sensor can cause this error. Clean the sensor. 1 OPEN MIDDLE 13.1 Jam. FRONT DRAWER alternates with CHECK IN REAR OF DRAWER . Check the middle front drawer. Check and pull out the fuser.
5 13.6 Jam in duplex paper feed 1 area. Inspect the rear of the duplex unit and the duplex tray. 2 13.1 Jam: Check in rear of drawer. Check the rear of the middle front drawer. Reseat the transfer roller. 6 13.5 Jam in duplex paper feed 1 area. Inspect the rear of the duplex unit and the duplex tray. 3 13.0 Jam in input feed area. Check the input trays and duplex unit. 7 13.4 Jam in duplex unit. Inspect 1 the rear of the duplex unit and the duplex tray. 4 13.12 Paper did not clear the input sensor in time.