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HP LaserJet 4/4+/5 All three models look the same but many of the parts are in fact different. The pickup rollers, fusers and maintenance kits are different. The HP LaserJet 4 fuser will only work in the LaserJet 4, it's part # RG5-0454 should be on the bar code. The LaserJet 4+ and LaserJet 5 use the same fuser part # RG5-0879.
Toner Cartridge# 92298A |
Our Part # | |
| 50 Service Error | A temporary Error- turn off printer for 20 minutes - if 50 returns it's probably open lamp or thermo switch in the fuser assembly - test the fuser, if it reads ok check the ac power supply and outlet | Fuser | |
| Accordion Jams | If the paper comes partially out and jams or fan folds the paper at the bottom | KIT-EX2 | |
| 41.3 Error | Reseat all electronic connections especially on the Laser Scanner and DC power supply. Could also be the toner cartridge | ||
| 13 paper jams | 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 | ||
| Poor Quality Prints - Vertical streaks | Check Toner cartridge, if ok check transfer roller and fuser | Maint Kit | |
| 51 & 52 Error | Reseat connections could be bad laser scanner cable or Laser Scanner | call | |
| Jams from Optional Tray | Check the purple knob is adjusted correctly on the tray by filling the tray with paper and pushing down on the spring loaded end. The purple knob should be in the center if not keep adjusting it until it is. | ||
