How to rebuild Canon iR 2420 CEXV14 Drum unit

Our client Monrovia City Hall brought a printer Canon ImageRUNNER 2420 with CEXV14 drum toner spots and light print issues.

 

This is one of the most common printer issues and at one time or another we’ve all sent a print command to the printer, only to be left frustrated and irritated when the printer prints something like this faded printout. 

There are many causes of light or faded prints. But in this printer the issue is due to a damaged drum. 

 

In this blog post i will tell you how to rebuild a printer drum unit and how to replace drum or change the roller in drum unit. If your printer has ink but prints faded or printing too light, we’re going to help you to find out why and help you to fix it and we’ll do it. You don’t need to buy a new printer!

How to rebuild Canon iR 2420 CEXV14 Drum unit:  General causes of print quality problems are given in the checklist below, followed by specific samples of common print quality problems. If the listed solutions do not work, call for help.

 

1. Remove the drum holding pin with electronic needle nose plier.

2. Remove the old drum. 

3. Remove the charge roller.

4. Remove the white charge roller support clip.

5. Remove the drum wiper blade by removing the 2 screws.

6. Cleanout all the reaming toner from the cartridge.

7. Reinstall drum wiper blade and the 2 screws.

8. Reinstall the charge roller support clip.

9. Clean and Reinstall the charge roller

10. Lubricate the drum with toner or the wiper blade may damage it.

11. Install the new drum securing it in place with the drum holding pin.

12. Rotate the drum.

Note:

1. If toner is visible on the charge roller dry wipe it with a soft cloth to prevent copy quality issues. 2. Clean the Charge roller with water and soft cloth and dry wipe in one direction only.
3. Be careful not to damage the recovery blade that is located to the wiper blade. If this blade is bent in any way the cartridge will leak.  Thanks for reading. We are glad that NATC finds a solution for all their IT problems.

Prepared By: Farman Elahi, IT Technician