Question about HP Office Equipment & Supplies
I have and HP Laser Jet 4250N and am having a problem with the envelopes smudging when using tray 1. I have replaced the fuser and have tried different envelopes, but still have the same problem, have also adjusted media type to envelopes to increase heat from fuser unit
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Posted on Jan 02, 2017
SOURCE: Ink smudging
Run a cleaning sheet through the printer- absorbant papaer- blotting paper. If this machine has had a lot of service it may be your waste tank is filling up and leaking out - have you had a service warning yet?
Posted on Sep 21, 2007
SOURCE: envelopes smudge
I have been informed that these fusers have a seperate heating element in the middle of the heat roller for envelopes to save energy and it's temperature is not sensed by the thermistor.If I trick the printer (with paper path tests) into printing envvelopes while thinking that it is letter the fusing is ok.
Posted on Apr 24, 2008
Try performing a test by printing a test page from Tray 1 and open the top cover as soon as the paper is 60% inside. The paper would jam below the toner cartridge before it reaches the fuser. Remove the toner cartridge carefully and verify if the smudges occur. This would eliminate the fuser. If the print quality is fine, then you need to swap the fuser.
Posted on Oct 30, 2008
SOURCE: ink smudge on envelope
The paper thickness lever is not on the front...it is on the floor of the "paper output tray" chamber. It is hard to see without directed light.
Refer to Loading Paper section of the Quick Start Guide....p 15 2 Prepare to load paper
(4) Adjust Paper Thickness Lever
Or look at the "User's Guide on-screen manual" as directed by the Note on p. 17
I really had to search to find this lever while attempting to resolve my problem with a badly aligned printing head. I am going to have to buy a new printer. It definitely won't be a Canon due to the rip off cost of print cartridges.
Hope this is helpful.
Posted on Nov 18, 2008
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