HP LaserJet 4 printing vertical lines all down and across page
Hi, my old workhorse HPLaserJet 4...not a plus, just a laserjet, is printing ....even when pages should be blank....long vertical lines on every page, These are wide enough to be called bars, and they extend from top of page to bottom, also outside normal printing area....Help! Is my old friend mortally ill? I reloaded the HP driver from the HP site. cmb in Alabama....thanks for your help
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try the toner cartridge. You can see where its coming from by printing 1 page. When the page starts coming out of the machine open the cover. Take out the toner cartridge and look at the page. The line should be there and you should be able to figure whats causing it. It's almost always the toner cartridge. If you have an old cartridge put it in and run a test with it. If the line is gone its the cartridge.
i would say reinstall the driver, wouldnt be a schoolboys trick even sometimes the schoolboys know more than the teachers when it comes to technology.
Try the machines with a seporate machine thats a freash install and see it does the same thing, this a driver issue, and sometimes the students can hack into the machine and asking the printer to just print just one page of the document, you can select pages in a print box in word / Internet explorer for example.
And you can ask the printer to print two pages onto one page.
Hi steve well I suggest that you remove the cartridges and clean the little gold contacts on the carriage and the cartridge. If this doesn't work then install brand new original cartridges as the cartridegs that you have refilled the data ribbon may have been damaged when you refilled them..
Try the above and I hope it works for you Thanks J