Question about HP LaserJet 4250n Printer
I got a error code of 55.4
Error code 55.4 on HP Laserjet 4250:-The dc controller is not communicating with
the formatter. The problem could be caused
by a timing error or an intermittent
switch off the unit - disconnect power cord
unsrew the two screws holding the formatter in place
( silver plate to rear right)
remove the plastic side panel by sliding
remove the formatter ( silver box you just unscrewed) by sliding toward the rear.
reinstall the Formatter
more often than not just reconnecting the controller is enough to clear the problem. theres a good chance it has moved out of position as time has gone by.
Posted on Sep 13, 2013
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Posted on Jan 02, 2017
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