error 50

HP LaserJet 4SI
I have a Hp LaserJet 4Si printer with an “error 50” problem.

Experienced technical support provide their insights in answering this question :

Most likely the quartz lamp in the fuser assy. burned out. you can remove it and check the resistance on the 2 large pins in the connector. Should be several ohms.

How to Identify and Fix Common printer Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced technical support :

yz Fuser error To continue turn off then on is displayed on the control panel, it indicates that there is an issue with the fuser. The XX and YZ are two digit codes that provide information on the specific issue causing the error. Press the power button to turn the printer off, and then back on to clear the error.

I found the following: Error 50 means that the heating of the fuser unit is no longer working. This is usually a burnt-out heating lamp,or a defective thermal fuse.

Error 50.8 suggests one end of the fuser is not heating up which may be damage to the sleeve or heavy media.

Error 50 is Invalid destination number.

Error code 50 indicates your Mac could not copy or move files from external storage devices. The whole process gets stuck with no visible progress.

Machine Error 50 is an indication of a mechanical malfunction of the Brother machine. Unplugging the machine from the power outlet for approximately 30 seconds and then plugging it back in may temporarily resolve the issue.

The 50.1 fuser error message refers to a low temperature reading on your fuser. If you see the error message “50.1 Fuser Error” on your HP Color LaserJet 2820 or 2840 series printer, you probably need to replace the fuser. Fusers are a consumable part and are sold as part of a maintenance kit.

If you have NOT recently replaced the fuser or heavily jostled the printer around, then the 50.7 Fuser error indicates you have an actual fuser failure (the gearing pressure is not releasing) and the fuser needs replacing.

Issue Description: 50.7F00 is displayed on the control panel and printer may also experience frequent or constant paper jams in the fuser. Remove the fuser. On the right side of the fuser near where the fuser engages the fuser drive assembly, check if the alienation flag is broken (see the two examples below).

50.2 error indicates that the printer is not heating up fast enough. This can be caused by a bad heating element in the fuser but can also be caused when the printer does not have adequate power due to overloaded circuits or being plugged into a power strip or surge bar that limits current flow.

If you have NOT recently replaced the fuser or heavily jostled the printer around, then the 50.2F. 00 Fuser error indicates you have an actual fuser failure and the fuser needs replacing.

If you see this error code 50.5 on an HP LaserJet 4200, 4240, 4250, 4300, or 4350 series printer, the fuser installed in the printer is registering as an incorrect fuser for that model printer.

Recommended action. Turn the printer off, wait 15 seconds and turn the printer back on (using the power switch located on the back of the printer). The error code should not appear again.

Turn off the HP printer and unplug it from the power source. Also, shut down your computer and unplug any external devices. Wait for a few minutes and then plug in the printer and turn it back on. Finally, turn on your computer and check if the error state has been resolved.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

error 50

ANSWER : Most likely the quartz lamp in the fuser assy. burned out. you can remove it and check the resistance on the 2 large pins in the connector. Should be several ohms.

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HP LaserJet 4SI

can i override the error code 50

ANSWER : First off, your printer is an inkjet printer. It has no drum. The error refers to a paper jam.

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HP LaserJet 4SI

Error Code 51.1 says Printer Error No Kidding.lol

ANSWER : Sometimes turning off and on will allow you to print a few pages. The error is a beam detect error. The only real fix is to replace the laser scanner unit. Could be a loose connector on the scanner or DC controller from the scanner. That’s unlikely. You could try the only other free fix which is to open the scanner assy. and clean all the mirrors inside. The dust could obstruct the laser beam enough to cause the detect error.

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HP LaserJet 4SI

Error Code 52.1M

ANSWER : Magenta laser error. The spinning motor bearings cause the squeal and that slows it down causing the error. You could try opening it and lubricating the motor shift with a drop of synthetic lubricant. Do not use more than a drop.

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HP LaserJet 4SI

Error Message 4F on MFC 210C

ANSWER : Basically this kind of error caused by loss of voltage on print head. If this is the case then I suggest to buy a new printer rather than replace print head. Print head might be too costly.

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HP LaserJet 4SI

HP 9040 MFP Error code

ANSWER : bonsoir

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HP LaserJet 4SI

HP CLJ CP 5225 ERROR 55.0601

ANSWER : my printer cp5225 is giving me error code 55.0601 message which i can’t fix please help

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HP LaserJet 4SI

Scanner error keeps coming up

ANSWER : I am having the same problem with my Epson Workforce 645