How to replace the transfer roller on HP laserjet Pro 400 printer

Here is the procedure te replace the old transfer roller ( RM1-9175 ) with the new one on these HP printers: LaserJet Pro 400 M401a M401dn M...

How to fix error code 13.20 on HP Laserjet 4200 4250 4300 4350 5100 printers

The error code 13.20 is a paper jam error. Solution 1 : Remove the paper tray and the toner Check for any sheet of paper stuck in the machi...

Error 50.x on HP Laserjet P2030, P2035

Error 50.X is a fuser error :  the printer has experienced an error with the fuser. Solution 1: Turn off the power by using the power swit...

How to solve message Waiting for tray 0 to lift with HP Laserjet printers

The message error Waiting for tray 0 to lift appears on these printers: HP CM6030, CP3525, CP4005, Laserjet 4000, 4200, 4250, 4350, 4700, 5...

Error 60.02 on HP Laserjet 4250 series

It appears that the spring which holds the lifter motor upright was designed without enough tension on it. If the spring is removed and the ...

HP Laserjet 49 errors

HP laserjet 49 errors are a firmware error, it might be caused by the firmware itself, or by the failure of a printer module. How to isolat...