Red light instead of green once only, its flickerting the logo on screen without showing the sreenfully. what is the problem?
Part number Q3942-60140
Display Panel
http://www.partshere.com/hppartslist/hpparts.asp?part=CB425A
SOURCE: Hp LJ 4345 mfp vertical line down printed copies
Dirt.
Open the ADF, the top of the scanner/copier.
The ADF glass is the thin strip of glass on the left. Damp cloth with windex or any glass cleaner. Scrub the strip of glass.
SOURCE: My HP 4345 mfp will not boot up
When the memory counts up when turning mfp on, hold down the 6 button until all three lights on left of panel light up, then using the 3 button to scroll go to COLD RESET and touch 6 button to select. If that doesnt fix ya then you may need a hard disk drive
SOURCE: I get an error in HP LaserJet 4345 MFP printer,
a 49.xxxx error on an HP means that there is an issue with one or more hard disks. you can try to re-initialise the hard disk(s) by rebooting the printer while holding the green button. when the three leds are lit, release the green button, and navigate using the numerical buttons until you see "initialise hard disks" on the display of the printer. confirm by pressing the green button again. if all goes well, your printer will take two minutes longer than usual to boot. if you still get the same error afterwards, you need to replace the disk.
SOURCE: I need to swap the swing plate inside a HP
I was able to find a video tutorial for this problem at http://www.youtube.com/watch?v=6MsQM4xkKDY&feature=related
Hopefully it will be able to guide you through the necessary steps to change the swing plate. Good luck!
Testimonial: "Thanks for the guide!"
SOURCE: error code 13.20.00 for hp
Hi!
According to HP service manuals, the error you described is in the category:
JAM INSIDE TOP COVER AREA
and more specific:
The pre-feed sensor, the top-of-page sensor, or the fuser-delivery
Those are the points where some paper pieces or even dust can be stuck.
Hope it helped,
Bogdan
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