i got hp lj 8150 printer, problem with 50.1 fuser error , for this matter i all ready installed new fuser unit , but still , i received the same error massage. so pls help me to fix this problem, as iseach in net i found problem of law voltage , so found some dry soldering in power board , i fix that also, still received the same masage ,
pls help me on this which component i need to replace thanks , sanjaya
Replace the LVPS and the fusing unit, you will also need to leave the machine off for 20 minutes to reset the error
(If anyone is in need of a free service manual, send me an email at:firstname.lastname@example.org with info to reply and ill send you one)
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Re: hp lj 8150 error 50.1fuser error
Unless someone else replies with the identical fault and remedy, my best suggestion is to get a copy of the service manual. There may be a fee but you will be sure of following the correct diagnostic procedure.
It sounds like you are capable of this.
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I am not clear as the whether you put the errant fuser in the machine that was working and put the good fuser in the bad one so now you have 2 that don't work. If that is the case it is possible that the bad fuser has taken out the good machine. There are resistance tests that should be run on the fuser to see if it is shorted out. If it does short out, you may need to replace an internal fuse or link on the board.
HP now recognise this as a manufacturing fault and have released a service note for it and will send you a new fuser free of charge. The description of the fault is:
When a print job is sent to the printer, the printer will display processing job on the control panel, and will continually ramp up and down attempting to print the job. After several minutes the printer will return to ready without posting any error messages. Occasionally, after several minutes the print job will print.
The fix for the fault is:
The fuser needs to be replaced and firmware needs to be upgraded to version 04.060.7 or higher.
The customer will need to download the latest firmware from hp.com, version 4.060.7 or higher. The firmware can be downloaded from hp at "hp.com/go/support" . Select Download drivers and software (and firmware) in step 1 and in step 2 type in the printer name, LJ P4014, LJ P4015 or LJ P4515
It's probably best to update the firmware before you phone HP to report the fault, or at least tell them you have. If you do update the firmware, you will notice some extra numbers and letters on the display when the printer initialises. This is normal, it's probably used by HP staff for diagnosis.
The fuser is a customer replaceable part, and does not require a service technician to install. If the customer requests a service technician to install the fuser the customer will be responsible for the labor. The fuser can be sent directly to the customer with instructions to upgrade their firmware.
What this means is that HP will send you a new fuser to fit yourself.
The models covered by this service note are:
HP LaserJet P4014 Printer series, HP LaserJet P4015 Printer series, HP LaserJet P4510 Printer series.
EFFECTIVE DATES Start: 2010-01-01
What this means, is that HP will send you a new fuser for this fault until the end of 2010, although they do sometimes extend the active time period for service notes.