HP LaserJet 4250 Service Manual - Page 371

Table 7-7 Numerical printer messages (continued) Control panel message Description 50.X FUSER ERROR A fuser error has occurred. For help press X Description 1 low fuser temperature 2 fuser warmup service 3 fuser over temperature 4 faulty fuser 5 incorrect fuser is installed 6 open fuser circuit 51.XY PRINTER ERROR For help press alternates with 51.XY PRINTER ERROR To continue turn off then on 52.XY PRINTER ERROR For help press alternates with 52.XY PRINTER ERROR To continue turn off then on 53.XY.ZZ PRINTER ERROR To continue press cancel job A printer error has occurred. X Description 1 beam-detect error 2 laser error A printer error has occurred. X Description 0 scanner error 1 scanner startup error 2 scanner rotation error An error occurred in the printer memory. X DIMM Type 0 ROM (firmware DIMM) 1 RAM Recommended action 1 Turn the printer off and allow it to cool down. 2 Verify that the correct model of fuser is installed. 3 Verify that the correct voltage fuser is installed. 4 Reinstall the fuser, and check the connection between the fuser and the printer. Replace the connector if it is damaged. 5 Replace the fuser. 6 Replace the dc controller PCA. See Dc controller PCA. 7 Replace the power-supply assembly. See Power supply. 1 Press ( SELECT button) to continue. 2 Turn the printer off and then on. 3 Reseat the connectors between the laser/scanner and dc controller PCA (J83 and J84). 4 Replace the laser/scanner assembly. See Laser/scanner assembly. 5 Replace the dc controller PCA. See Dc controller PCA. 1 Press ( SELECT button) to continue. 2 Turn the printer off and then on. 3 Reseat the connectors between the laser/scanner and dc controller PCA (J83 and J84). 4 Replace the laser/scanner assembly. See Laser/scanner assembly. 5 Replace the dc controller PCA. See Dc controller PCA. Press CANCEL JOB. If the problem persists, replace the DIMM card in the specific slot. See Firmware DIMM (LJ 4200/4300 only). Display-message troubleshooting 357