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HP LaserJet 4V/4Mv Has the drop down front door to access the toner cartridge and fuser. The door should be fully opened when the toner cartridge is removed or the shutter cover on the cartridge can be damaged. This printer runs hot - use caution when working on fuser assembly.
Toner Cartridge # C3900A |
Our Part # | |
| 50 Service Error | A temporary Error- turn off printer for 20 minutes - if 50 returns reseat or test fuser, Check ac outlet - remove from UPS | Fuser | |
| Paper Jams | Toner cartridge gears are worn. Try the manual tray if it prints ok - check the pickup roller above the tray that is jamming. If it jams from the manual tray look for jammed piece of paper somewhere in the paper path, check fuser gears and fuser drive gear | Jam Kit | |
| Paper Jams from Optional Lower Cassete | Replace roller and clip C3760-67900 | ||
| 55 Sevice Error | Reseat the formatter board this is a communication error between the DC controller and the formatter. | ||
| 57.1 Service | Check spring operating the sensor on the front door - if the sensor isn't working the motor will never get power and cause this error | ||
| Poor Quality Prints - Vertical streaks | Run cleaning page - turn off Econmode - Check Toner cartridge, if ok check transfer roller and fuser. | Maint Kit | |
| 51 & 52 Error | Reseat connections could be bad laser fiber optic cable or Laser Scanner | call |
