Question about HP LaserJet 4 plus Printer
I just replaced maintenance kit on LJ 4 SI, and still making grinding noise while trying to print, also still keeps jamming, can you help. ???
Maintenance Kit will not solve the grinding noise. You have what is called a Swing Plate Issue. The plate is located easily on the left side of the machine after you remove the fuser. Those gears become warn and make that sound. Sometimes you can get by removing just the gear that you can see (black plastic gear) and replacing it with a new one.
Posted on Oct 23, 2011
If the paper is an accordion type jam, you should replace the 4 small rollers, the upper feed roller, the upper feed guide, and the lower rollers. all of these are listed on hp's part surfer website.
RF5-0425-040cn, RF5-0434-000cn, RF5-0432-000cn, and RF5-0438-000cn respectively. Basically, get a new exit output assembly part number RG5-0456-180cn.
Does this help?
Posted on Aug 13, 2008
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Posted on Jan 02, 2017
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