A common fault with the Hewlett Packard Colour LaserJet 2500 2840 series printers is not printing down one side of the page. If this is happening on all colours including black then the most likely cause is the carousel is out of alignment and needs re-aligning. Below is an example of an out of align carousel.…
Scanner Error is a common fault with the Hewlett Packard LaserJet 3030 series printers. This fault is normally caused by a thin film of ozone/dust build up in the scanner but can also be caused by bits of paper being jammed between the casing and scanner glass. The following is a guide on the cleaning procedure for the…
Cartridge alignment problems and fuzzy print are common faults with the HP Colour LaserJet CP2020, CM2320fxi, CP2025dn, CP2025x, CM2320n, CM2320nf and CP2025n series (and any other Hewlett Packard colour printer that takes the CC530A, CC531A, CC532A and CC533A cartridges. There are a few different causes of this problem: Faulty or worn toner cartridges. To calibrate or…
If your Hewlett Packard K5400 toolbox comes up with “Ink Supply Failure” here are some things to try. These steps have worked well for me in the past. Use toolbox utility to check the “health” of the print head. Clean the cartridge contacts and print head contacts (See Fig1 Fig2 and Fig3). After cleaning contacts switch the…
A common problem with high volume printers it the consumable components wearing out. On the HP LJ 1320 these include the drum/toner, feed rollers and fuser assembly. The end user can usually identify these problems by visual inspection. Below are some pictures showing wear on the feed rollers and the fuser assembly. Fuser Assembly Wear…
The HP Laserjet 1600 and similar machines are prone to a deterioration in print quality over time, starting with magenta because its the bottom cartridge. The fault is caused by dust and toner building up on the laser glass/lenses and mirrors. Here is the procedure to fix this fault: Fix One: Clean laser glass slits with…