HP LaserJet IIIP+

How to Identify and Fix Common Problems ?

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This error refers to the Laser unit, which is responsible for all printing procedures. It does not have to do with the scanner or ADF. So, yes, you will have to replace the Laser unit to fix it. If you found this post helpful, you can let others know by clicking the “Accept as Solution” button.
A 52 error code is related to a failure of the laser scanner, the device writes the image to the drum unit in the printer before the toner is transferred to the drum. If powering off and leaving off for a few minutes does not clear the error then most likely the scanner is dead.
52.00 ERROR

Verify that the scanner motor connector and the ribbon cable from the ECU are firmly seated on the laser/scanner assembly. 2. Verify that the scanner motor connector is firmly seated in connector J402 on the ECU. You might have to remove the main cooling fan to see this connection.

An invalid path in the System. CFG file causes this error.
A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source. (Code 52)” reflects under the display adapter section in Device Manager with yellow exclamation bang.
That error code indicates a failure of the yellow laser scanner. Unplug and leave for a few minutes, also make sure you are plugged directly into the wall and not into a surge protector.
Error message “0x0000052e” indicates the following error: “Logon failure: unknown user name or bad password.”
The laser/scanner assembly needs to be replaced as one of the motors has gone bad inside the assembly.
Check the cabling carefully, you may have damaged the Flat flexible cable that plugs into the scanner or pinched the wires that run across the front of the scanner. Also the codes are usually 52.
Err 50, Err 52 – Inverter overload, Inverter peak current

If the over current trip level is continuously exceeded, the inverter will shut down: wait 30 seconds and then restart. The Inverter can supply more power than the nominal power level for a short time.

Err 50, Err 52 – Inverter overload, Inverter peak current

If the over current trip level is continuously exceeded, the inverter will shut down: wait 30 seconds and then restart. The Inverter can supply more power than the nominal power level for a short time. If the time is exceed the inverter stops.

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.
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.
The HP Color Laserjet CP2025 10.100 Supply Memory Error is normally the result of a chip error on one of the cartridges. First you should check that each cartridge has a chip, it could have just fallen out.
If your printer`s status displays “Printer in error state,” there may be a problem with the printer itself. Make sure the printer is turned on and connected to your PC by Wi-Fi or cable. Check it for low paper or ink, and be sure the cover isn`t open and the paper isn`t jammed.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

HP laser jet 3015 "Upgrade Error Call HP Support"
ANSWER : rgtr

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HP LaserJet IIIP+

What repair needs to be done for a "50 needs repair" message on an HP Laserjet IIIP?
ANSWER : I don’t know what you mean by good toner cartridges. They haven’t been built in about 10 years, so if they are new OEMs in the box, they are guaranteed to fail. The 50 error on that printer is mostly a burned out fuser lamp. This site was sold, so as you can see, there are no more kits available.

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HP LaserJet IIIP+

evenly spaced horizontal lines on hp laserjet III printout
ANSWER : The lines would be a toner cartridge problem. Which paper tray? The MF tray or the optional paper cassette?

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HP LaserJet IIIP+

HP 4050 Error 13.1 & 13.20
ANSWER : I tried the fix you recommended but it still would not fix.

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HP LaserJet IIIP+

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 IIIP+

HP Laserjet 4250 – RFU LOAD ERROR
ANSWER : Italiano:

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HP LaserJet IIIP+

HP 9040 MFP Error code
ANSWER : bonsoir

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HP LaserJet IIIP+

HP Laserjet 4200 50.2 Fuser error
ANSWER : if you are using a good fuser the next part to try would be low voltage power supply

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HP LaserJet IIIP+