Question about HP LaserJet 2840 All-In-One Printer

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Carousel mis-alignment When installing black toner did not have it set properly in place. Toner struck one end of imaging drum, Now will only print a strip along edge. Need to know alignment settings and procedure for carousel. Thanks Howrad

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  • Taihoward Apr 07, 2008

    When installing black toner did not have it set properly in place. Toner struck one end of imaging drum, Now will only print a strip along edge. Need to know alignment settings and procedure for aligning the carousel. Thanks Howard

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6 Suggested Answers

faxman789
  • 297 Answers

SOURCE: Toner cartridges will not fit in carousel

problem has already been solved on another post here.

See this link for excellent instructions:

http://www.fixya.com/support/t400576-printing_right_side_only

Posted on Jan 22, 2009

SOURCE: Red color faded and red color is mis-aligned.

Hi We've been seeing alot of the HP Color Laserjet range of laser printers coming through with a "prints lightly with red" or "red is faded" fault report, we've been able to resolve the problem mostly by cleaning the scanner. Misalignment is normally resolved therafter by calibrating the machine using its calibration function. (if it has one) Wouldnt suggest this gets tried unless one is familiar with stripping and reassembling these machines though. Hope this helps.



Posted on Mar 23, 2009

  • 1 Answer

SOURCE: 004-332 error plus carousel is out of whack

contacted dell tech support. noticed that the rotator frame was slightly bent. tech told me that the printer had to be replaced since they do not offer parts for this.

Posted on May 28, 2009

tigertail
  • 163 Answers

SOURCE: Service required E527

E527 indicates a developer home position error. With the front cover closed you should be able to freely rotate the cartridge "carousel" from the top with the PCU removed. If it does not rotate smoothly then something is broken and the printer will require stripping completely and the broken parts replaced. If this is the case then it is unlikely to be economically repairable. If the carousel does rotate freely however, then it is one of the following: Either the MCU (engine) Board itself is faulty, there is a wiring fault or the Sensor Rotary Home Position is faulty/dirty. The sensor is the first and most obvious thing to check but it requires taking off the L/H cover and removing the Low/High Voltage power supply board to get at it. I would recommend getting someone experienced at repairing printers to do this, but if you really want to give it a go then follow this link;
http://www.fixya.com/support/t1865287-epson_c1100_service_req_e527

Posted on Jul 27, 2009

  • 5 Answers

SOURCE: The print is faded on the left margin all the way

clean tonner properly or may be some paper was struck on that side.

Posted on Jan 22, 2010

seeker5211
  • 1088 Answers

SOURCE: I installed new toner cartridges and a new drum

On the 2840,one reason why the carousel gets out of alignment is because non HP cartridges were used and they were leaking toner. The leaking toner gets into the carousel gears and causes them to jump a couple of teeth.

If you have a warranty HP will fix the problem under warranty repair. However, if you were using non HP cartridges you will be billed. If your problem is non aligned gears, you won't need parts. The gears will have to be aligned and vacuumed. It doesn't require dismantling the printer.
If you do have to pay, it should only be an hour of labor.

Does it print good? If the printing is good, the carousel isn't out of alignment. Don't fix it if it isn't broke.

Posted on Jan 08, 2011

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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.

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1 Answer

Hp colorlaserjet cp 1025 Carousel Alignment


This printer has no carousel alignment. The toners do not fit into a carousel. This printer has an imaging drum and print cartridges black, cyan. yellow and magenta. Please be more specific about what you are trying to do or what the printer is doing or not doing.

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I just changed the toner and the printer does not print.


If u have the CD of tht printer , u just delet tht printer from the Devices and printers settings. And re installed it

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Toner yellow, magenta and black lights are flashing. cannot put in magenta toner as the "arrow" positions are not at the right places.


This sounds like the carousel in the printer has gone out of alignment. This is usually caused by using old generic toner cartridges. ( the roller on the toner cartridge seizes and causes carousel to go out of alignment. )
There are other easy fix instructions on here to realign the carousel.

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I installed new toner cartridges and a new drum (authentic HP) and my printer won't print. When it is initializing, the sound is different and when I look at the gap between the toner cartridge and the...


On the 2840,one reason why the carousel gets out of alignment is because non HP cartridges were used and they were leaking toner. The leaking toner gets into the carousel gears and causes them to jump a couple of teeth.

If you have a warranty HP will fix the problem under warranty repair. However, if you were using non HP cartridges you will be billed. If your problem is non aligned gears, you won't need parts. The gears will have to be aligned and vacuumed. It doesn't require dismantling the printer.
If you do have to pay, it should only be an hour of labor.

Does it print good? If the printing is good, the carousel isn't out of alignment. Don't fix it if it isn't broke.

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What is the difference between a toner and a drum on a BB4400 OKI printer?


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Good luck.

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1 Answer

HP 4550 Color Laser jet reports no "errors" yet does not print


HP 4550 Color Laserjet Printer - Blank or white pages :

01. Your software application is sending an extra page-eject command.

02. Check the software’s printing configuration information. There is a problem with the network configuration.

03. Some sharing devices on networks may generate a blank page as a separator.

04. Check with the network administrator.

05. The printer may be feeding two or more pages at once because the paper is difficult to separate.

06. The sealing tape has been left in the toner cartridge.

07. The toner cartridge is empty or defective.

08. The laser scanner door does not open properly.

09. Remove and reseat the toner cartridge.

10. Check the laser scanner shutter door for proper operation.

11. The toner cartridge guide is damaged,
improperly positioned, or missing.

12. There is no transfer roller voltage.

13. Perform the Half Self-Test Functional Check to check all other electrophotographic processes.

14. Replace the transfer roller if necessary.

15. The high-voltage connectors are mounted on the high-voltage power supply (HVPS) PCA and protrude into the toner cartridge cavity.

16. Check the springs for functionality. Clean if dirty; replace if defective or missing.
The HVPS PCA is defective.

17.The DC controller PCA is defecti  There is no drum ground path.

18 Check the drum ground.

19. The laser scanner cable assembly is defective
.
20 The page length and margins are not set correctly for the paper size. Verify that the ribbon connector at J1307 of the HVPS is
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21. If the HVPS has been removed recently, verify that the ribbon connector from the DC controller PCA to the HVPS is properly
seated at both ends..

22. Verify that the photoconductive drum is rotating properly. Perform is the drum diagnostic test to visually observe if the drum is rotating.
23. OR using a felt-tipped marker place an index mark on the edge of the drum outside the image area. Turn on the printer (wait for
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24. moved. If the drum has not moved, investigate the mechanical
and electrical drum rotation circuitry and movement mechanisms.

25. The imaging drum shutter may not be retracting. Replace the imaging drum.

26. Lst but not the least, please fry to have the Printer int the Setcie

27. Use only HP Authorized Genuine catridges only


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Toner cartridges will not fit in carousel


problem has already been solved on another post here.

See this link for excellent instructions:

http://www.fixya.com/support/t400576-printing_right_side_only

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1 Answer

Pages full of toner / toner streaking


First off, this is a comment from a random person who may or may not know ALOT about these printers and toner/printer design in general. All toners are not designed to the same specification. Toner is a combination of plastic "pigment" and iron like shavings to make it magentically attracted to the electrical charges within the unit. Different toners conform to different grades and mainly size of the particles within the blend. The manufacturer doesnt only recommend that you use their toner to make them money, yes of course it makes money, but its because when the unit is designed it is designed to use a certain grade of toner, trust me if you put the non-branded toner vs the branded toner under a microscope you would see quite a difference. Often the non-branded toner is much larger in particle size (obviousely because its cheaper to make at this spec). This causes a variety of issues from excess toner not being cleaned off of developer rollers, IDT rollers, or clogging of toner dispenser tubes in the unit and the micro filters contained at the toner dispenser assy and developer assys. Also as for the issue not changing when switching to dell branded toner - the dispenser tubes within this unit contain up to 500-1000 pages worth of toner, making no change in toner you make immediately visible. Also depending on the damage caused by the previous toner, it may not be able to be fixed until all the components in between the toner and final delivery (drum cart) are replaced. In this case more than likely the toner dispenser assy, all developer assy's, and drum cartridge need to be replaced, and than be sure to stick with factory branded toner :)

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