Question about Ricoh Aficio CL7200 Laser Printer

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The black imager puts dots and lines on the paper. Replacing the imager and toner only fixes the problem for a couple hundred pages then the problem comes back. It has done this since it was new and Ricoh charged us to change the imager and toner because they are wear parts. I need to find the root cause of the issue.

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Remove the fuser unit and behind the unit there is a guide plate with little star wheels to guide the paper into the fuser those wheels are either dirty or damaged if damaged you will need to have them replaced
also you may want to clean the K laser assy there is a long green handled tool in the front door that fits in slots above the drums run it through a couple of times to clean the laser **** glass and you should be good.
clean the star wheels with alcohol and try not to bend them as they can cause jamming issues once they are bent.

good luck

Posted on Sep 16, 2009

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Posted on Jan 02, 2017

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1 Answer

What is the amount of magnetic Powder to be developed in the Fuser Section?


None. It is electrostatic attraction.
It varies from each type of laser printer.
Most printers will specify a total number of pages printed from a laser toner cartridge rather than give an actual amount of toner per page. Which I feel would be more likely to be an average value.
Due to the amount of toner being used per page varying on the number of actual pixels that are required - a black dot or a color dot. If a colour dot is required Three toner colors may be involved to get the color required. Where there is a white dot no toner is required.
It really depends on what image is being rendered onto the paper on each different page image print onto the paper.
Color photos use more toner as more of the page is color than when using black and white !

Jul 02, 2015 | Office Equipment & Supplies

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Consistent dots down print


Try to print clean page ,
Print a cleaning page During the printing process, paper, toner, and dust particles can accumulate inside the printer and can cause print quality issues such as toner specks or spatter, smears, streaks, lines or repeating marks. Follow these steps to clean the printer's paper path.
  1. Load copier-grade paper (not bond, heavy, or rough paper).
  2. On the printer's control panel, touch the Menu button.
  3. Touch Configure Device .
  4. Touch Print Quality .
  5. Touch Process Cleaning Page .
A Cleaning message appears on the printer control panel display while the cleaning is taking place. The cleaning process takes a few minutes to complete. Do not turn the printer off until the cleaning process has finished. A page will be printed when the task is complete. Discard the page. You might need to repeat the cleaning process to thoroughly clean the printer. Print a few more pages to see if the problem is resolved.

Mar 20, 2013 | HP LaserJet 5550DN Printer

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Black dots are printing on the left hand side of the page when I print from my hp laserjet 1015. Any ideas how to fix this?


Run a "half test". Put paper in the manual feed tray. Print anything. Watch the paper, when it feeds about 1/2 way into the printer, open the cover. Pull out the toner and look down at the paper. If it has the dots, replace the toner. If it doesn't have dots, the fuser is probably bad.

Aug 31, 2011 | HP LaserJet 1018 Printer

1 Answer

HP Color LaserJet CM 2320nf MFP has black dots on the right side of the paper. I have calibrated, and used the cleaning mode and it is still happening. Can you help me?


Put some paper in the manual feed tray(tray 1).
Print something.
When the paper feeds 1/2 way into the printer, open the cover. If the paper has the dots it would be caused by the toner or the image transfer belt. If no dots, the problem is probably the fuser.

By any chance did you vacuum out the printer. The dots could be coming from the paper path if it is dirty.

Apr 20, 2011 | HP Office Equipment & Supplies

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Getting black lines on copies on Brother MCF 6490cw all-in-one printer/copier. How can I clean the rollers or internal mechanisms which are making the lines?


More likely than not, it's either the imaging drum or the toner causing these lines, and not left over toner on the rollers. Try replacing the toner and see if that works, if not, put the old toner back in and try replacing the imaging drum

Mar 04, 2011 | Brother Office Equipment & Supplies

1 Answer

When I print from my Sharp AR-M256, a black line appears on the paper. What can I do to fix this?


Dirty print out is basically due to cartridge related issues. Take out the cartridge and clean its drum/ (green roller) with a dry, soft, lint-free cloth. The drum is usually located under a cover. Checkout for any spilled toner inside the printer and clean it also. Print a few pages so that the parts get further cleaned. I think, this would solve the issue.

Moreover, black streaks (thicker lines) and dots etc indicate faulty PCR Roller which is located behind the green drum inside the cartridge. Try replacing the cartridge or get the PCR Roller changed by a professional.

Let me know if any further clarification is required.
GoodLuck!
Dont forget to appreciate the solution if I could have been of any help!
CreativeTECH

Feb 28, 2011 | Sharp AR-5316 Advanced Digital Imager...

1 Answer

Poor print quality


The "ghost" image is "burned" onto the drum.

A laser printer is supposed to charge specific "dots" on the drum, and the toner-ink is supposed to stick only to those "dots", the paper is pressed against the drum, and then the "fuser" uses heat to "melt" the toner-ink onto the paper, to produce the printed page.

You need to replace the drum.

Apr 07, 2010 | Konica Minolta magicolor 2430 DL Laser...

1 Answer

HP CP1215 prints a line of black dots down the centre of page. Happens with all settings on high quality paper. Same with normal paper.


Perform a half paper path test. Put the paper in the manual feed tray, print a test page, when half of paper is pulled in the printer open toner door so the printer stops. remove the toner and check print is the issue there you have trouble with your toner cartridge. Otherwise there is an issue with fuser. Mostly I think you have an issue with tonercartridge, try take it out and shake gentle

Nov 05, 2008 | HP Office Equipment & Supplies

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Xerox Phaser 6250


How Brave is Jan?

Doubt it be the fuser(100 000life), "just magenta dots".... fuser would be "all smudged" or "black marks" , "the print rubs off" , "paper is creasing or jamming"

Can prove it by stopping a print (open door) when paper is1/2 way threw machine, you need to stop it before it goes threw the hot bit, so you can tell if the hot bit (fuser) puts the marks on the paper.

Transfer roller one would expect to effect whole print Smudged/Faint,uneven density

It will be the imaging unit ( 30 000 pagelife Ouch$ ) or possible leaking toner (if aftermarket)

Remove imaging unit and inspect film you should find image of lines, dots are usually chips or sticky stuff on drum surface, carefull no oily human fingers on surface please.

When stopping machine mid print and perfecting your timing, pull out the imaging unit and look at replica of your print notice if marked and where.

Hope this helps



Nov 19, 2007 | Xerox Phaser 6250 Laser Printer

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