I post hoping it will be useful for someone.
I buy this printer from Ebay nont working, it do 41 error and 5F-51 error.
I found on the internet some useful tips about HP LJ4+ which has a lot of
parts ad motor of my printer.
After a lot of try I come to think that the laser/scanner assembly was
defective.
There was a Beam Detect error.
So, I have taken the laser/scanner assembly, opened and cleared all the
surfaces whith Alcool and paper.
Now all works very well and I am happy whith my 1 euro printer.
Only one thing: it need more memory!
There is someone that could tell to me if I could use simm modules from an
old pc? are all 72 pin...
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