HP Color LaserJet 2840

How to Identify and Fix Common Problems ?

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Look for jammed paper or debris inside the printer, and then use both hands to remove any that you find. Use both hands to remove any jammed paper or objects from the input bin. Align the cartridge with the tracks inside the printer, push in until firmly seated, and then close the toner access door.
The “Scanner error 2” is a common problem on the HP Color LaserJet 2820 and 2840 series printers. The general advice is to turn the printer on and off, and see if the error resolves. If the “Scanner error 2” keeps coming back, you should replace the flatbed scanner assembly.
The 52 Scanner error indicates that the printer has experienced an internal hardware error. Turn the product power off, wait at least 30 seconds, and then turn the product power on and wait for it to initialize. If you are using a surge protector, remove it. Plug the product directly into the wall socket.
An Er/04, Er/05, or Er/06 error message indicates a paper jam. Find and clear the printer of any jammed paper, or reset the printer if the printer has no jammed paper.
Error Code 5 is a Windows error code that appears when the user does not have sufficient permission to access the requested file or location.
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.

This error can be caused by having insufficient memory on the device. e.g. multiple apps are installed on the MFP at the same time. Note 💡 It is recommended for the PaperCut partner to do the steps below, as opposed to the end customer, as the MFP will need to be reconfigured with PaperCut Hive and PaperCut MF.
This error can sometimes occur even when you`re not trying to print, or if you don`t have a printer installed. To overcome this issue, the first thing to check is to make sure you have the latest printer driver installed for your printer.
This error can sometimes occur even when you`re not trying to print, or if you don`t have a printer installed. To overcome this issue, the first thing to check is to make sure you have the latest printer driver installed for your printer.
This indicates a paper jam in the Input tray area. The Attention light blinks, the Paper light is on , and the control panel character display alternates between Er and 05. This indicates a paper jam in the Imaging drum area.
An Er/04, Er/05, or Er/06 error message indicates paper is jammed inside the printer. To resolve the issue, find and clear the printer of any jammed paper, or reset the printer if the printer has no jammed paper.
An Er/04, Er/05, or Er/06 error message indicates paper is jammed inside the printer. To resolve the issue, find and clear the printer of any jammed paper, or reset the printer if the printer has no jammed paper.
The main cause of the issue is the absence of the printer driver software. Driver software that are incompatible with the system and also software that lack updates are other reasons that cause the printer error 5 to occur. Also, driver software for a particular device should be configured after its installation.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

HP 2840 displays: "59.4 error – please turn off/on again" when trying to print/copy pages.
ANSWER : Fuser errors are 50.XX 59.4 is the fuser motor. http://www.fixyourownprinter.com/posts/67008

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ANSWER : Moe- You are the man!

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HP 2840 All-in-one ,image drum counter reset
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ANSWER : I tried the fix you recommended but it still would not fix.

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HP Color LaserJet 2840