HP LaserJet Quick Reference Service Guide

44 – Control panel messages
EN
III, II
• There is a defective fuser to the DC controller cable (hot fuser or
blown thermoswitch).
– Replace the cable fuser to the DC controller (part number
RG1-0907-000CN).
• Check the fuser to the AC power module cable (cold fuser).
– Replace the cable DC controller to the AC power module
(part number RG1-0912-000CN).
• The +24VA is missing.
– Check the voltage and replace the DC power supply as
necessary.
2686A/D
• There is a blown 47 Ohm resistor.
– Replace the plug-in resistor on the fuser safety PCA
(part number FF1-3872-000CN).
• The fuser bulb is defective.
• The fuser safety PCA is defective.
5Si
• Fuser malfunction.
If x=1: Fuser low temperature failure.
If x=2: Warm up failure.
If x=3: Over temperature failure.
If x=4: Bad fuser.
– Turn the printer off for 20 minutes, and then turn it back on.
Verify that the fuser is installed correctly and fully seated.
Reseat or replace the fuser cable assembly.
50.x Fuser Error

HP LaserJet Specifications

General

Brand	HP
Model	LaserJet
Category	Printer
Language	English