HP LaserJet 4250 Service Manual - Page 375
printer error, Tray 3 lifter motor failure, NO SYSTEM, To continue turn off then
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Table 7-7 Numerical printer messages (continued) Control panel message Description 60.2 The tray 2 lifter-motor is not functioning. printer error Recommended action 1 Turn the printer off and then on. 2 If the error persists, turn the printer off. 3 Verify that the tray 2 lifter wire-harness is full seated in its connector on the dc controller PCA (location J93). 4 Replace the tray 2 lifter-driver assembly. See Tray 2 lifter-drive assembly. 5 Replace the dc controller PCA. See Dc controller PCA. 60.3 Tray 3 lifter motor failure The tray 3 lifter-motor is not functioning. 1 Turn the printer off and then on. Tray 3 can be a 500-sheet feeder or 1,500sheet feeder accessory. 2 If the error persists, turn the printer off. 3 Verify that the tray 3 lifter wire-harness is fully seated in its connector on the sheet feeder PCA. 4 Replace the tray 3 lifter-driver assembly. See 500-sheet feeder lifterdrive assembly or 1,500-sheet feeder lifter-drive assembly. 5 Replace the tray 3 feeder controller PCA. See 500-sheet feeder control PCA or 1,500-sheet feeder control PCA. 60.4 Tray 4 lifter motor failure The tray 4 lifter-motor is not functioning. 1 Turn the printer off and then on. Tray 4 can be a 500-sheet feeder or 1,500sheet feeder accessory. 2 If the error persists, turn the printer off. 3 Verify that the tray 4 lifter wire-harness is fully seated in its connector on the sheet feeder PCA. 4 Replace the tray 4 lifter assembly. See 500-sheet feeder lifter-drive assembly or 1,500-sheet feeder lifter-drive assembly. 5 Replace the tray 4 feeder controller PCA. See 500-sheet feeder control PCA or 1,500-sheet feeder control PCA. 62 NO SYSTEM To continue turn off then on No system (firmware image) was found. 1 Turn the printer off and then on. 2 Reseat the firmware DIMM, in slot J1. See Firmware DIMM (LJ 4200/4300 only). 3 Replace the firmware DIMM. See Firmware DIMM (LJ 4200/4300 only). Display-message troubleshooting 361