HP Color LaserJet 5500 Service Manual - Page 375

Table 7-12. Jams in the top cover (continued) Causes for jams in the top cover Cause Solution DC controller PCB is defective. Replace the DC controller PCB. Calibrate the printer after replacing the DC controller. See Calibrate now (HP Color LaserJet 5500 models only). Table 7-13. Jams in the duplex path Causes for jams in the duplex path Cause Media does not meet specifications. Duplex feed guides or duplex feed rollers are dirty. Duplex feed rollers are worn or damaged. Duplex feed roller drive gears are worn or damaged. Duplex feed guides are damaged. Timing belts are defective. Solution Make sure the media meets specifications for duplex printing and that the media has been stored correctly. Clean the rollers with a damp, lint-free cloth. Remove any debris from the duplex feed guide. Replace the ETB unit. Calibrate the printer after replacing the ETB. See Calibrate now (HP Color LaserJet 5500 models only). Replace the ETB unit. Calibrate the printer after replacing the ETB. See Calibrate now (HP Color LaserJet 5500 models only). Check the top cover and front cover guides, and replace the covers if necessary. Replace the ETB unit. Calibrate the printer after replacing the ETB. See Calibrate now (HP Color LaserJet 5500 models only). Replace the ETB unit. Calibrate the printer after replacing the ETB. See Calibrate now (HP Color LaserJet 5500 models only). ENWW Paper path troubleshooting 353