Question about Epson AcuLaser C900 Printer

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Damaged toner cartridge, printer now full of cyan dust.

The customer bought a new cyan toner cartridge, but damaged th roller inserting it. As a result the printer is now full of cyan powder. She then installed another new one, correctly, but the pictures print badly, fading off the page. THEN she called me in. I'm a PC engineer but my experience in this field is limited. We live in a rural part of Greece so no service centre. I am downloading a manual as I write this, but could do with some pointers as to where to begin. I will happily upload the manual to this site.

Thanks in advance.

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Re: Damaged toner cartridge, printer now full of cyan...

The printer will need to be cleaned. I suggest using a vacuum with a soft bristle attachment and a small pointy attachment. Gently vacuuming out the cyan powder and hoping that permanent damage has not been done to the unit. It sounds like there's the possibility that the printer may need professional servicing, however. 

Posted on Oct 12, 2007

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My Printer isn't recognizing an ink cartridge

Maybe its the toner end sensor that's full of toner or covered with toner. If you have a blower, give it a good blow with it. Usually its dust or toner thats on a sensor. Try that first before a technician is called and you have to pay.

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How do I get rid of vertical streaks?

You may have a bad drum cartridge. Is it refilled? Try replacing it with brand new original.

If there are debris of "black film-like material" you may need to replace your fuser film.

Apr 29, 2014 | Dell 3010cn Laser Printer

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Magenta toner does not print, printer says its full. Worked just fine until I opened the drum unit to clean drum with q-tip (I am getting black dots all along the page). After that, the magenta stopped...

Take the toner cartridge out and try to turn the Developer roller ( the toner coated roller), if it doesn't turn you have a faulty cartridge. If the cartridge is OK, recheck the Magenta drum to see if the thin corona wire has been broken. You will need to remove the Cyan toners to get to the corona wire cover. If is damaged or broken, the whole drum will have to be replaced.

Sep 25, 2013 | Brother HL4040CN Laser Printer

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Insert cartridge

Check printer cartridge compatibility before unpacking a new print cartridge. Make sure that it is compatible with your printer.

Remove the cartridges and check to make sure the electrical strip along the bottom of each cartridge is not damaged or ripped. If the cartridge is new, make sure the plastic protective tape has been completely removed. Place the cartridges back into the machine and turn it back on.
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Sep 04, 2012 | HP Printers & Copiers

2 Answers

I have a xerox phaser 6280, i keep getting this message say i need to " Check Cyan " cartridge. but its a brand new cartridge, its full of ink. can you please tell me how to fix this issue.

Remove the cyan ink cartridge and shake it. Be careful not to spill any toner. If that does not solve the problem it is most likely a dirty sensor. What I usually do is remove all toner cartridges and blow out the inside with an air compressor. Be very careful when doing this and try to use very low pressure so that nothing gets damaged.

May 19, 2011 | Printers & Copiers

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How do i clean the rollers

Introduction Your printer requires minimum routine maintenance. This chapter explains the following tasks
  • Cleaning the printer
  • The toner cartridge
  • Extending toner cartridge life
  • Clearing a TONER LOW message
  • Replacing printer parts
Cleaning the printer To maintain print quality, thoroughly clean your printer:
  • Every time you change the toner cartridge
  • After printing approximately 6,000 pages
  • Whenever print quality problems occur
Clean the outside of the printer with a lightly water-dampened cloth. Clean the inside with only a dry,lint-free cloth. Observe the warnings and cautions that follow the cleaning tasks on the following pages. Caution To avoid permanent damage to the toner cartridge, do not use ammonia-based cleaners on or around your printer.
Printer Cleaning Tasks Before you begin these steps, turn the printer OFF and unplug the power cord. Caution Do not touch the transfer roller (black sponge-rubber roller) with your fingers. Skin oils on the roller can cause print quality problems.
If toner gets on your clothes, wipe it off with a dry cloth and wash your clothes in cold water. Hot water sets toner into fabric.
Warning Avoid touching the adjacent fusing area. It may be HOT
  1. OPen the printer's top cover and remove the toner cartridge
  2. with a dry lint-free cloth, wipe any residue off the Paper Access Cover (it has a green handle) and the adjacent silver metal strip.
  3. Wipe any dust or dirt off the black plastic Paper Feed Guide with a dry, lint-free cloth.
The Toner Cartridge see the printed book pending update of this page Extending Toner Cartridge Life see the printed book pending update of this page Clearing the TONER LOW Message see the printed book pending update of this page User-Replaceable Parts Some worn parts can be replaced by the owner. See Chapter 8, "Solving Printer Problems", for descriptions of the difficulties that can indicate when to replace a part. Warning Switch OFF and unplug the printer before replacing parts. Failure to do so may result in personal injury or damage to the printer. After switching the printer OFF and unplugging the power cord, allow the printer to cool for 30 minutes before replacing the parts.
Unless specifically noted, replacement is the reverse of removal. Always carefully observe the position and alignment of the part you are removing; this is your best guide to replacement. User Replaceable Parts Part Name Part Number Remarks Multi-Purpose (MP) Tray Pickup Roller RB1-2127-000CN Replace both the MP Tray Pickup Roller and the MP Separation Pad at the same time. Multi-Purpose (MP) Tray Separation Pad RF5-0343-000CN Replace both the MP Tray Pickup Roller and the MP Separation Pad at the same time. Paper Cassette Pickup Roller RB1-2204-000CN See Chapter 8 for replacement conditions. Transfer Roller RF5-0349-000CN See Chapter 8 for replacement conditions. Fusing Assembly RG5-0880-000CN 220-240 Volts Cleaning Brush RB1-2260-000CN n/a Optional LC Pickup Roller RB1-2650-000CN See Chapter 8 for replacement conditions. Ordering Information User replaceable parts are available from the authorized HP dealer or from Hewlett-Packard. To order parts, see this information Multi-Purpose (MP) Tray Paper Pickup Roller and Separation Pad Before you begin these steps, turn the printer OFF and unplug th power cord.
  1. Open the Multi-Purpose (MP) Tray.
  2. Grasp the black plastic Envelope Feed Access Cover as shown, and pull it downward and toward you to remove it.
  3. Read all of this step before proceeding. Remove the pickup roller by pushing down on the plastic retaining clip with your right index finger (see inset A) while sliding the roller to the right with your left index finger. When the roller is partway to th right, push in on the small plastic tab (see inset B) behind the right end of the roller and fully remove it.
  4. Insert a flat-blade screwdriver into th indentation at the front of the separation pad and twist the screwdriver blade gently to loosen the pad see (inset). When loose, gently lift pad from its seat.
  5. To install a new separation pad, place it over the opening and press it down firmly with your forefinger to seat it. Be sure the metal edge is toward the front of the printer. To install a new Multi-Purpose (MP) Tray Paper Pickup Roller, slide it over the shaft, then rotate it so that the flat side of the new roller is aligned with the flat side of the shaft. Then slide th roller to the left until it clicks into place.
  6. Reinstall the black plastic Envelope Feeder Access Cover and discard the used roller and pad.
Paper Cassette Pickup Roller Before you begin these steps, turn the printer OFF and unplug th power cord.
  1. Remove the toner cartridge.
  2. Remove the Paper Cassette.
  3. place the printer on its left side so that the bottom of the printer is easily accessible.
  4. Remove the pickup roller by pinching the release clip and sliding the roller off the shaft (the new roller will be installed in the reverse order). Slip the new roller over the shaft and rotate it until properly aligned. Slide the roller along the shaft until it clicks into place.
  5. Place the printer upright, then place the toner cartridge, Paper Cassette, and power cord. Switch the printer ON.
Transfer Roller see the printed book pending update of this page Fusing Assembly see the printed book pending update of this page Lower Cassette Pickup Roller Not applicable to HP printers at ING

Please rate my solution! :)) Thanks for asking me :)

Apr 13, 2011 | HP LaserJet 4 Printer

1 Answer

Cyan and Magenta does not print on the right side of the paper. Toner indicator shows three quarter of the cartridge to be full. Yellow and black prints are perfect.

I have worked/ serviced similar Laserjet Color Printer with same issue.
Actually, prints with faded colors or different colors are due the the dust/ toner dust accumulated on the optics (mirrors and lenses) inside the printer, which refect the laser beams to form prints. For instance, red color is formed by a mix of yellow and magenta toners. The color is replaced by yellow due the the partial or complete blocking of the image laser beam for
magenta as the mirrors which reflect laser beam get covered with dust and toner (which partially blocks the laser beams). Hence the image is not produced properly. This needs professional hands for servicing and cleaning of the optics inside the printer. Note that first magenta goes off, followed by yellow, then cyan and lastly black. This is due to the mirrors placement inside the printer. Magenta is the last one facing upwards at 45 degrees angle and gets most of the dust and goes off first.

Rest assure that the printer requires ONLY CLEANING OF THE MIRRORS, which are inside the printer. So, it is advised that you get the printer serviced by any printer repair/ service professional. (Please note that the mirrors, lenses and scanner assembly inside such printers is extremely complex and can get damaged very easily especially the mirrors).

Hope it would help. If you need any clarification, let me know
Good Luck!


1 Answer

Xerox phaser 6180. Printing 3 blue horizontal lines spaced evenly apart on printed page. New toners. Could it be fuser? transfer roller?

Just because they are new toners, doesn't mean they can't be faulty.

Faults that show in just a single colour are almost always related to THAT colour toner cartridge.


If you still have your old cyan toner, swap the chip from your new toner and put the old toner in the printer, then test.

If the lines are gone, it's the NEW cyan toner cartridge.

Jan 07, 2011 | Printers & Copiers

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 :)

Apr 26, 2008 | Dell 5110cn Laser Printer

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