Question about HP LaserJet 4L Printer
I have the same problem with my 4L. Where are the fuses physically located. I took the cover off the 4L but could not find them. Thanks for your help.
The fuses are located on the DC Controller (main bottom board). Getting to the DC Controller Board on a 4L printer is a very significant disassembly. Best left for a pro but if you really want to do it, I have attached below a link to a scanned copy of the service manual. Please keep in mind that the scanned copy is not a nice fresh PDF as most manuals as the 4L was made in 1994 and HP has physically scanned the printed manual for distribution. Just look up the removal and replacement of the DC Controller Board. Once removed, the fuses are glass buss style, readily available at any Radio Shack.
Gotta love that old technology.
Hope this helps you. :)
Posted on Sep 10, 2008
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Posted on Jan 02, 2017
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