HP Color LaserJet 2550L

How to Identify and Fix Common Problems ?

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If you see the error message “50.2 Fuser Error” on your HP Color LaserJet CP2025 series printer, you probably need to replace the fuser. Fusers are a consumable part and it is expected over the life of the printer you will replace the fuser several times.
Corrupt print Job

You will likely find that you were printing from a web document or website and usually internet explorer when you experienced the Error 79. This is caused by the printer getting stuck in a loop after attempting to print from the encoding of the website.

When a 50.4F. 00 error is displayed on the control panel, it indicates that there is an issue with the fuser or the power outlet where the printer is connected. Turn the printer off, and then back on to clear the error. Ensure that the power outlet, to which the printer is connected, is in good working condition.
The message `Fuser Error` or `Self-Diagnostic` means either the fuser has reached the maximum temperature allowed or there has been an error in detection of the correct temperature during specific times of the printing process.
If a printer shows a “79 Service Error” (a common error to HP printers) on the LCD display, do the following: Locate the on/off switch on the bottom of the printer. Toggle the switch to the off position and COUNT to 10. Turn the printer on again and the system should be all set.
Any of these error codes (51.20 51.21 51.22 51.23) points to a failure with one of the laser scanner assemblies on the HP Color LaserJet 4610 an 4650 series. To solve these error codes, replace the corresponding laser scanner.
A 42 or Toner Cartridge Region Mismatch error indicates that the installed toner cartridge is manufactured for a different geographic region than the printer. The printer and the toner cartridge each have a certain geographical code tagged to them, much like the coding on DVD players and DVDs.
6020: Your VM is not ready.
This error might display if the fuser temperature becomes too hot. Follow these steps to turn off the printer and allow the fuser to cool before printing again. Press the Power button to turn off the printer. Disconnect the power cord from the rear of the printer.
Streaking, smudging, black lines, and double images are all symptoms of a bad fuser. When you notice these printing defects and experience problems, such as paper jams or wrinkles, this is a good sign to replace the fuser kit.
Fuser Units

The coating wears off and causes the toner to not fuse properly. There are replacement rollers and sleeves on the market that you can replace and turn a non-functional fuser into a good working one. Rebuilding fuser assemblies is not a new thing.

Streaking, smudging, black lines, and double images are all symptoms of a bad fuser. When you notice these printing defects and experience problems, such as paper jams or wrinkles, this is a good sign to replace the fuser kit.
Streaking, smudging, black lines, and double images are all symptoms of a bad fuser. When you notice these printing defects and experience problems, such as paper jams or wrinkles, this is a good sign to replace the fuser kit.
F0 Error and is unable to print. This error is primarily caused by one of the following conditions: A transfer alienation failure in which the ITB is stuck and unable to properly engage the internal transfer rollers. The SR9 sensor (the primary transfer roller disengagement sensor) has gone bad.

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