HP Color LaserJet 2840

How to Identify and Fix Common Problems ?

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

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.
HP 1100, 1200 – While the printer is on, press and hold the Go button for 5 seconds. This will reset the printer.
An E2 error occurs when the printer attempts to print a single-page or multi-page print job, and the paper length selected in the print settings does not match the length of the loaded paper.
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.
Paper Jams

This is a common laser printer problem. Primary causes include grime, dust, worn rollers, or incorrect paper weight. The most basic way to prevent paper jams is simply through regular cleaning of your printer. Also, replace parts as needed.

Common causes include dust and grime, worn rollers, or inappropriately weighted paper. Prevent paper jams by regularly cleaning your printer and replacing parts as needed. Check the weight of paper that your printer is rated for as well. The printed product is faded.
Turn the product on while you press and hold the Resume button for 10-20 seconds. The Attention light turns on. Release the Resume button. The Attention and Ready lights cycle while the product restores factory defaults.
The default administrator or root password for all HP-provided Build Plans is: ChangeMe123! CAUTION: HP strongly recommends changing this password before deploying to any servers. See Set (encrypt) the administrator/root password for details.
If your printer is turned on, disconnect the power cord from the printer. Keep the power plug unplugged for 60 seconds, reconnect the power cord to the wall, and turn on the printer. If the error persists, remove the cartridge from the printer, clean the cartridge contacts with a cloth, and reinstall the cartridges.
Troubleshoot a blinking orange light on HP DeskJet.

Are you wondering why my printer is showing orange light? It indicates firmware issues, paper jams, or improperly installed cartridges. Resolve it by performing a power reset of your printer.

E0 error. An E0 error indicates an unusable cartridge. This occurs when one or both ink cartridges need attention. Reseat both cartridges, clean the ink cartridge contacts, restart the printer, and replace one or both ink cartridges if necessary.
An E1 or E2 error indicates that the paper size setting does not match the paper size that is loaded. Remove all paper from the input tray, and then load the correct paper size. Remove any paper from the input tray. Slide the paper width guide as far as possible to the left.
Quick fix. Error code e02 occurs due to overheating of the printhead or when the paper is not correctly placed into the input tray and therefore the paper feed rollers are unable to pick up the paper from the paper tray.
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

Printer wont complete boot sequence
ANSWER : That’s a really old machine, I had helped someone replace a belt a year or 2 ago in a 450 also. Opened it up & when I went to release the belt motor (I think its called a scan axis or carriage motor) the plastic arm that wraps around a metal bar was cracked. Put the belt in anyway but it must have been bad enough as it would throw an error, I think he gave up and replaced the machine but don’t remember. Some parts like this are hard to find & if found are likely used and could suffer the same failure again since plastic gets brittle as it gets old.

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HP Color LaserJet 2840

HP Color Laserjet 2840 spitting out blanks
ANSWER : Moe- You are the man!

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HP Color LaserJet 2840

HP 2840 All-in-one ,image drum counter reset
ANSWER : Hi, My HP 2840 is showing replace supplies on all but black , to print color all I have to do is send print command before the printer shows ready and it will print full color , also the windows test print works at any time ? It’s a pain but it works !

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HP Color LaserJet 2840

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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HP Color LaserJet 2840

HP psc 1210 Wont Feed Paper
ANSWER : This printer seems to have special problems with paper feed asy. When functioning works

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HP Color LaserJet 2840

HP CLJ 8550 does not recognize new Magenta toner
ANSWER : There’s a menu option to tell the printer it has a fresh toner cartridge.

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HP Color LaserJet 2840

HP CLJ 2600 misaligned colours
ANSWER : Misaligned colors or printing.

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HP Color LaserJet 2840

HP Deskjet 640c wont print??
ANSWER : yes

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HP Color LaserJet 2840