Tuesday, October 14, In many cases, the delivery rollers upper and lower in the upper or final stage of the paper exit are worn or unserviceable. Allow a couple seconds after turning the printer off before turning it back on again. Problems such as paper jams can be fixed by replacement of pickup rollers located under the toner cartridge, replacement of the fuser door, checking if the paper separation paws are not bent, and replacement of the delivery rollers. This LJ4 is a workhorse and almost indestructible.

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The PC has a 2nd nic card and set to it’s own IP.

SAP Library – BC – SAP Printing Guide

It will take a few minutes to download the list of HP printer drivers. The above algorithm should restore printing on all machines. Monday, October 13, Over hpplj4 network it always took time to print and images were very long. I’m about to give up and reimage with a an image from a different office.

Thursday, October 09, 6: The engine has a high monthly duty cycle 20, pages and it is not uncommon to find units still functioning well after a million or more page impressions.


Thursday, October 09, 7: For this reason, all of the machines should be looked at with the lpq command. The engine over all is reliable. Resetting or turning the printer off and then back on will sometimes restart printing which will resume processing of the printer queues. April 23rd, 1. Now no time at all. If at this point the printer is still stuck, more drastic measures are required. April 24th, 6.

Not an IT pro? I found on my own was to use Footmatic to finish the install to make the LJ4 work.

JetDirect HP LJ4 issue I did not think doing it this way or rather a direct connection as you call it such an odd way. An hplu4 is to enlarge the roller slightly by using heat shrink over the output rollers. April 23rd, 3.

If a job has been sent to the printer but did not print, first make sure that the file sent was a Hp,j4 file. Wednesday, October 08, 8: If so then there most certainly no device drivers for Windows 7. Yes, tank it is.


How to Restart the HPLJ4 Printer

Remove From My Forums. April 24th, 9. Resources for IT Professionals.

The HPLJ4 should display a constant green Ready light and a constant red On Line light to indicate that it is ready to accept print jobs. This problem is fixed by removing the felt pads, cleaning off the adhesive isopropyl alcohol works welland placing some electrical tape or other material to provide a cushion for the solenoid.

What can I try next? And what happens now when you try to print? Hewlett Packard dominated the laser printing sector during this time in part due to their reliability, relatively affordable pricing, and the spread of LaserJet 4 models from personal use up to heavy business use.

Also, I needed a A Crossover cable. This can be repaired by replacement of the front fuser door.