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updates!
Our tech support forum is open! One
of our techs monitors the forum and will give free advice to help
solve laser printer hardware problems.
HP LaserJet maintenance kit instructions
are now available! We knew HP's instructions were incomplete and
sometimes hard to follow so we created our own.
NEW TUTORIAL! Printer Pooling Save time and money with printer pooling.
NEW TUTORIAL! Installing Printer Drivers -- Our picture-based tutorial for downloading & installing HP printer drivers.
NEW TUTORIAL ! Printer Networking Tutorial -- An informative step-by-step guide explaining the basics of printer networking, including JetDirect cards, IP addresses, and driver configuration.
Major
Assemblies
Output
assembly installation for LaserJet 4/4+/5 printers.
Swing plate assembly gear replacement for LaserJet 4200, 4300, 4250/4350 printers.
50.1 error on the LaserJet 8100 and 8150 ...usually a failed Low Voltage Power Supply.
A Potential 50.2 error -- Loose fuser tabs on the LaserJet 4000/4050/4100 fusers...
50.9 error on the Color LaserJet 3000, 3600, 3800, CP3505 printers ...
Print Defects - Light Print Various causes of light print and procedures for cleaning the scanner mirror.
Print Defects
The Half-Way Test -- an easy way to determine the source of many print defects.
Print defects
-- the most common defects, causes, and possible solutions.
Repetitive defects ruler
-- guides to help find the cause of a repeating print defect.
Ghosting on LaserJet 4, 4Plus, 5 printers - lowering the toner Density level may help.
Error Codes & Part Numbers
Error
codes list -- use this guide to learn more about the error code
on your printer's display panel
Service Functions
Service Mode -- how to enter
service modes on an HP LaserJet
Service Menu PIN Codes -- appropriate PIN codes for accessing the Service Menu on newer HP LaserJets
Clear the maintenance count --
required on many printers after installing a maintenance kit
Cold reset -- how to cold reset
a printer to factory defaults
HP manuals and drivers
You can download users manuals for most Hewlett Packard
printers as well as drivers at www.hp.com.
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