Question about HP LaserJet 3055 All-In-One Printer
New cartridge means that the transfer corona is probably going out (or the controller board is sending wrong voltage) because it charges the paper to pull the toner off of the EP drum. This might be replaceable but you have to check with HP about buying one. I did not find them for sale on line but some models have them for about $25.
Posted on Feb 09, 2010
This is a power supply problem - The electrolytic capacitors fade away after a few years of power on and the high voltage to the printing engine drops too low.I tried a new toner cartridge - no help - re-installed drivers - no help.If you can handle a soldering iron or know a friend who can, replace the following capacitors on the power supply board on the LHS (power cord side). Make sure you use low impedance 105 degree power supply types. Warning - high voltage !!! power cord out and wait 30 minutes before touching anything.
C374 341 503 529 (47uF/35V), C526 (1uf/50V), C506 (0.47uF/35V), C515 (100uf/50V). All the others tested fine in mine.
Now I have "black as black can be" prints just like new and I set print density back to 2 not 5 to save toner.
enjoy ;-) - Ray P
Posted on May 15, 2012
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Posted on Jan 02, 2017
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