Question about HP LaserJet 4 plus Printer
Greetings All; Am the proud owner of an HP Laserjet4+ and (up to now) it's been working fine. However (now) when I print, the printing contrast is very light (grey looking). I've checked the toner cartridge, it's okay (not low) and (also) tried a brand new cartridge - no difference! I've double checked the printer's settings (via the internal facilities) in case the settings may have been altered without my knowledge, but to no avail. Note! the print clarity is not affected, I.e. there's no smudging or marks on the paper, just light print contrast. I know it's not the software, as the problem exists when I use the (on board) self test facility. One thing, the machine was turned off for a long while (8 weeks) for safety reasons as the office wasn't being used. Any ideas? Please advise Thanks and regards Chris Dermott
Ok, here is the list of things the typical user can check: -Toner supply could be low, even a new cartridge could cause this if it was a refill job, third party or very old. -Print density is set too low, change via the printers menu. -EconoMode is turned on, turn off via the printers menu. -The papers moisture, conductivity or surface finish may not meet specs, try a higher quality paper or a fresh ream. -High voltage connecter to the toner cartridge is not making good contact. Make sure the sprint contacts that connect the printer to the cartridge are making good contact and are clean. Here are the things to check that would require spare parts and are not for the typical user: -Transfer roller is defective or installed incorrectly. -Laser/Scanner is defective. -DC controller is defective. Let us know if you have any more questions for this topic and please don?t forget to rate the posting.
Posted on Jan 07, 2007
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Posted on Jan 02, 2017
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