Question about Canon LaserClass 7000 Plain Paper Fax

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Canon LaserClass 7000 dark background, Toner cartridge has a toner shadow on the drum, same with new toner cartridge. How do I fix this?

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Are you using OEM crg or remanufactured one? If it is OEM, you have problems with laser unit.

Posted on Jun 25, 2010

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Canon irc4580i print dark problem


In the process used printer, will be inevitable printed page by your printer have the bad quality prints. For example: Toner specks, Light image, Vertical line, Dropouts, background, Toner smear, Vertical black line and band, Vertical white line, Background scatter, Black pages, Loose toner, Horizontal stripes, Ghost, Uneven Density, poor fusing ...
The common print quality problem Canon IRC-4580 printer
Currently, The Canon IRC-4580 is the laser printer have high speed, easy to use, friendly for user and printing clear text.
However, we can not avoid the damage of some components of the printer when used.
In this article, I will introduce some basic errors with printing quality problems of Canon IRC-4580 printer and "How to fix it".
After viewed artical, you know:
- How to fix (repair/solve) Vertical line (black or white) in Canon IRC-4580 printer
- How to fix (repair/solve) Poor fusing (loose toner) in Canon IRC-4580 printer
- How to fix (repair/solve) Uneven Density in Canon IRC-4580 printer
- How to fix (repair/solve) Light image in Canon IRC-4580 printer
- How to fix (repair/solve) Ghost in Canon IRC-4580 printer
1. Fix print quality problem "Vertical line" for Canon IRC-4580 printer How to fix print quality problem Vertical line
This plobrem "Vertical line" is usally error of Canon IRC-4580 printer. For this "Vertical line" error, technicians divided into two smaller error are: Vertical black line and band and Vertical white line.
Description:
- Vertical line and band: On the printed image appear some straight thin black vertical.
- Vertical white line: On the printed image appear some white vertical voids.
Error location:
- Surface of the charge roller
- OPC drum
- Cleaning blade
- LSU unit
- Developing roller

Cause of error "Vertical line" on the printed page:

- May be surface of charge roller scratched or dirty by toner powder.
- May be have some grooves on the OPC drum.
- May be cleaning blade is damaged.
- May be LSU window or LSU lense has dirty.
- May be surface of developing roller has scratched.

How to fix(repair) "Vertical black Line and Band" for {{SPkey1}} machine:

- Replace the charge roller of toner cartridge.
- Replace the OCP drum.
- Replace the cleaning blade
If printed page are not improved
- Clean the LSU unit by soft cotton cloth and try to print. If Vertical line is not clear on the printed page you should replace LSU unit.
- Replace new axis developer and try to print
2. Solve print quality problem "Poor fusing (loose toner)" for Canon IRC-4580 printer. How to fix print quality problem loose toner
Description loose toner: Toner is not properly fixed on paper, use to hand rubbing lightly on the printed image toner powder may be stick in hand
Error location: toner cartridge or fuser unit

Cause of error "Dark Image or black" on the printed page:

When toner cartridge is empty. You toner refilled by toner powder ware not compatible. This is makes toner cartridge components demaged and temperature of fuser unit is not enough melt to toner powder

How to fix(repair)"Poor fusing (loose toner)" on the printed page for Canon IRC-4580 printer:

With this error, you should replace toner cartridge or fuser unit to fix it.
3. How to fix print quality problem "Uneven Density" for Canon IRC-4580 printe How to fix print quality problem Uneven Density
Description: The printed page has one half light and one half clear.
Error location: Toner cartridge, transfer roller, springs, doctor blade

Cause of error "Uneven Density":

- The pressure force on the left and right springs of the transfer roller is not even.
- May be toner low also causes this error
- Doctor blade has bent
How to repair error "Uneven Density" on the printed page for Canon IRC-4580 printer:
- Replace springs and transfer roller.
- Toner refill toner cartridge Canon IRC-4580 and reset toner cartridge chip (replace new chip) or replace new genuine toner cartridge.
- Replace doctor blade.
4. How to solve print quality problem "Light image" for Canon IRC-4580 printer How to fix print quality problem light image
Description: The printed image is all light and no Ghost.
Error location: Toner cartridge, Developer, HVPS board

Cause of error "Light image" on the printed page

- Enabled toner save.
- Toner cartridge is low
- OPC drum may be faulty by strong light intensity
- Temperature in room is below than 10*C
- Bad contact caused by the toner dirty between the high voltage terminal in the HVPS and the one in the set
- Abnormalities output from the HVPS

How to fix(repair) error "Light image" on the printed page for Canon IRC-4580 printer:

- Disable toner save by change in printer driver.
- Toner refill toner cartridge Canon IRC-4580 and reset toner cartridge chip (replace new chip) or replace new genuine toner cartridge.
- Replace the OPC drum.
- Replace developer.
- After printer is power on, wait 30 minutes then start printing
- Clean up the contact between the high voltage terminal in the HVPS and the one in the se- Replace the new HVPS if the problems are not solved by 4 away above.
5. How to fix print quality problem "Ghost" for Canon IRC-4580 printer How to fix print quality problem Ghost
Description: Ghost occurs intervals of the OPC drum or transfer roller.
Error location: Toner cartridge, Developer, HVPS board

Cause of error "Light image" on the printed page

- OPC drum has fauty.
- The life of the transfer roller has been expired
- The high voltage terminal is contaminated by toner powder or

How to fix(repair) error "Light image" on the printed page for Canon IRC-4580 printer:

- Replace OPC drum
- Replace transfer roller
- If performed 2 away and the error does not clear, you should replace ganuine toner cartridge .
- Replacce HVPS board.

Oct 29, 2016 | Canon Office Equipment & Supplies

Tip

Laser printer has dark cast to entire page, prints ok.


You notice that the copies you print have a dark shadow across the entire page but otherwise seems to print fine.

You have a problem with the toner cartridge.

Toner copier/printers print by transfering toner to a drum using electrostatic electricity and depositing it on the paper. Once on the paper it is set using a heating element or fuser.

Over time the brush which contains the toner in the cartridge and the scraper which scrapes off any excess toner, or toner which is left on the drum, wears and allows extra toner to remain on the drum, which gives the dark shading I mentioned.

To compound the problem these days the cartridges are recycled and obviously at some point the scraper will wear out and you may be the unlucky person who purchased the unit. If that is the case I suggest returning the unit to the store of purchase and exchanging it or getting your money back. Most reputable stores do not have a problem doing this.

New cartridges would run out of toner prior to this problem developing. They have been designed to last slightly longer than the amount of toner which is in them. When recycled and refilled the problems start.

Recycled and refilled cartridges are not always marked as such so there is no way to tell if yours is a recycled unit.

Another problem these days is the drums are being made out of plastic instead of metal. They wear faster and die sooner and cannot be recycled successfully as often. Once they have a scratch they will never print a nice copy again.

If yours is plastic that is probably the problem. No matter which problem you have, worn scraper or plastic worn out toner cartridge, the solution is the same.

You need to purchase and install a new toner cartridge.

Thanks for using FixYa and for the great rating.

hardrocko

on Dec 09, 2010 | Office Equipment & Supplies

2 Answers

Our copies are streaky like the drum is not clean.... help! There is black streaks on the top of all of our copies on our canon imagerunner 3300.


A) Black Streaks, Shadows, And Ghosting
Adjust the printer's lightness/darkness setting to 2-3 different variables and see if problem disappears. Look at the fusing assembly - is the roller torn or does it have any black buildup? Use caution!!! It gets HOT!

Try another toner also.

Feb 17, 2010 | Canon imageRUNNER 3300 All-In-One Laser...

1 Answer

Brother MFC-7420 just started printing a shadow image


Sounds like a bad drum cartridge. Pull the toner/drum cartridge out of the machine and set it down. Press down on a (blue?) tab to release the toner cartridge, and you can lift the toner cartridge out of the drum cartridge. There is a cleaning blade in there - a soft plastic blade that rides against the drum and scrapes off toner that didn't get transferred to the paper. If it gets stuck off the drum surface, images repeat a few inches (one drum circumference) down the page.

A new DR-350 drum unit should fix it. have the machine's power on when replacing it. While the door is open, touch the CLEAR key. The display will read "REPLACE DRUM?" or something like that. Press 1 for Yes.

Jan 05, 2010 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

Ricoh fax 3310, when printing has dark background on left side, new drum has been installed.


Ricoh's Support suggests reseating the toner cartridge or re-distributing the toner inside the cartridge. This makes sense since you're experiencing darkness only on 1 side of the page. I hope this helps you with your issue and wish you the Best of Luck!

May 11, 2009 | Ricoh Office Equipment & Supplies

1 Answer

Dark background on Dell 1700 printing


Faulty (or wrongly) remanufactured cartridges can produce a 'background' to a print, which can be even across the page or have a mottled effect.

Do a printer self test page (press the arrow button).

put the old toner cartridge back in and do the same.

Does the background show with the old cartridge ?

If it does, its a drum unit problem, if not its a toner cartridge problem, and that should be under warranty if you've just replaced it.

Dec 06, 2008 | Dell 1700n Laser Printer

1 Answer

Poor fax printout quality


I would say you have a bad drum / toner cartridge.

Stuff you receive with vertical lines is probably the sender's dirty scanner.

Nov 04, 2008 | Canon LaserClass 2060P Plain Paper Fax

1 Answer

Black Copies


is there toner in the machine ? ( toner spill)
check the manual for the location of the glass, in the maintenance section, if it has toner on it copies will be black or dark, other wise the scaning glass is bad

http://www.retrevo.com/s/canon+7000+manual

Dec 31, 2007 | Canon LaserClass 7000 Plain Paper Fax

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