Question about Xerox DocuColor 12 Printer

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Pressure roller how did you replace the pressure roller?

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  • manoj1081 May 11, 2010

    dear jaiku please let me know what is sevice mode.I have just purchased a re con. machine dc 12.and found thad its pressure roller is chipped. I need to replace it.Ilive in Rishikesh. Uttarakhand. my phone 9412051301

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I took out the inside of my docu color 12 but i still cant get the pressure roller out. which side do i have loose out to to get it out and replace my lower pressure roller

Posted on Aug 08, 2008

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Its little bit complicated. but u try as ur best. first u open the ingine in service mode. then disconect the top cover and fuser web. then remove two side big screws. then remove heater lamp and thermistor connections. then lift the heat roller towards ur side. then remove the preser roller lamp and thermistores. then u replace a preser roller. all the best...

Posted on Aug 05, 2008

  • jai kumar
    jai kumar Aug 12, 2008

    in side two big screw is there. first u remove that. than spread out heat roller and pressure roller. than two lock is in top of bearing. u remove that also. then u change pressure roller.. pls do slowly and carefully... once again all the fest..

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I have a Dell 1320c printer and there is a part that I need to replace but I have n idea what it is called. When you open the front it is on the very top. It is the last roller the paper goes through


the last set of rollers are fuser rollers you have a heat roller and a pressure roller the pressure roller is made of rubber and the heat roller is made of aluminium.from the your question im guessing that the paper is wrapped around the heat roller. if this roller has scratches in the serface it does need replacingalso if the pressure roller is damaged it also will cause a papetr jam.
also you should check that all of the picker fingers are all in place and clean.

Feb 12, 2015 | Dell 1320c Laser Printer

1 Answer

Identical smudges 3 inch spacing


3 inches is approximately 70 or so mm so i would say you have a bad drum on your toner

27mm - charge roller - Replace toner
75mm - Photosensitive Drum - Replace toner
34mm - Developing Roller - Replace toner
39mm - Transfer roller - clean/replace transfer roller
57mm - Fuser Film - Replace Fuser
56mm - Pressure Roller - Replace Fuser

Oct 06, 2014 | HP LaserJet Pro P1102W Printer

1 Answer

The paper is crumpled in the lower part of the paper.


Maybe you have problems with the upper fuser roller, open the back door and try to see the upper fuser roller and lower pressure roller if you see any wrinkles or damage in any of the rollers that's is the problem, you can replace them just the upper fuser roller and the lower pressure roller but it will need advanced skills, the other option is change all fuser assembly but at higher price

Nov 26, 2013 | Brother HL-5250dnt Laser Printer

1 Answer

How to i clean the drum - there is a mark every few inches when i print


If the mark is persistent on each page and repetitive with very precise spacing, you need to determine which roller it's coming from. It could be coming from the transfer roller, before the fuser, the fuser itself, or the fuser pressure roller. Measure the spacing distance of the mark(s), then measure the diameter of the 3 above mnetioned rollers, multiply by pi (3.14159265) and compare the results to determine exactly which roller is causing the issue, then replace that particular roller. Hopefully it's not the fuser as you'd be better-off replacing the fuser film (main fuser roller lining). The fuser and pressure roller are a pain to source, and run abou $65+ for the pressure roller, and about $90+ for the fuser, not to mention this 2 last rollers will take about 1-1.5 hours to replace. They are not hard to replace using common tools. Don't forget to locate the printer service manual over the internet first.

Jun 12, 2012 | Canon imageCLASS MF5750 All-In-One Laser...

2 Answers

How to remove black strip on down side paper


If black strip on the other side of paper,

Check and Cause

A. Transfer roller is contaminated.
B. Pressure roller is contaminated.

Solution

1. Perform the DRUM Cleaning Mode Print 2 or 3 times. Run Self-Test to remove the contamination
of the transfer roller.
2. Replace the transfer roller if contaminated severely.
3. Disassemble the fuser and clean the H/R(Heat Roller) and P/R(Pressure roller).
And check the area between H/R and Thermistor. If contaminated, clean the area not to be deformed.

Jul 22, 2011 | Samsung SCX 4521F All-In-One Laser Printer

1 Answer

Need instructions for changing out pressure roller on risograph rz390


usally you do not have to replace the pressure roller until your machine goes over 2mil. copies. sometimes it does need to be cleaned. you can clean it by scraping the pressure roller with scissors to remove the built up ink. to remove the pressure roller.1. Remove the drum2. if you look the pressure roller is held in by 1 screw on the frame of the machine. there is a hole in the frame to put a Philips (+) head screw driver through and remove 1 screw. BE CAREFUL NOT TO DROP THE SCREW!.3. gently push the pressure roller to the rear of the machine slightly then lift it up and pull towards you.
to reinsert the pressure roller line it up with the cutouts where it was removed the pull it towards you to secure it. then screw it back in.
PRECAUTIONS FOR REASSEMBLY make sure the pressure roller is well seated on both ends of its holders (front and back) and that it spins freely. if the drum does not go back in easly something is wrong.

Jun 25, 2011 | Riso RZ390 Duplicator

1 Answer

Codigo sc 552 ricoh 3800


SC 552 - Pressure roller warm-up error

Definition: After the main switch is turned
on or the door is closed, the
pressure roller temperature
does not reach the ready
temperature within 150
seconds during fusing unit
warm-up.

Possible Cause:
• Pressure roller fusing lamp broken
• Defective pressure roller thermistor
• Defective BCU

Troubleshooting Procedure:
1. Check if the pressure roller thermistor
is firmly connected.
2. Replace the fusing unit.
3. Replace the BCU.

Mar 01, 2011 | Ricoh Aficio 3800CMF Laser Printer

2 Answers

C46 appeared on my toshiba e-studio 550 copier


C46 indicates Abnormal pressure roller thermistor during a ready state.

Perform following inspection:

1.. Clear the status counter.
Change the current status counter value (08-400) “3” or “8” to “0”.

If happen again, perform following inspection:

1. Check the pressure roller thermistor.
(1) Check if the connector is not disconnected.
(2) Check if the pressure roller thermistor closely touches the surface of the pressure roller.
(3) Check if the harness of the pressure roller thermistor is not open-circuited.

2. Check the LGC board.
(1) Check if the connector J334 is not disconnected.
(2) Check if the conductor pattern on the LGC board is not short- or open-circuited.
(3) Replace the LGC board.


Mar 05, 2009 | Toshiba E-STUDIO 550 Copier

1 Answer

Ricoh AP3800 COLOUR Laser Printer


SC 556 Pressure roller fusing lamp temperature fluctuation
The pressure roller
temperature changes by
±20°C or more in one second.
This occurs three times in one
minute or two consecutive
times.
• Loose connection of
the pressure roller
thermistor 1. Check if the fusing unit is properly set
and connected to the main frame.
• Loose connection 2. Check if the pressure roller thermistor
connector is firmly connected.
between the fusing
unit and main frame

3. Replace the fusing unit.

Nov 17, 2008 | Ricoh Aficio AP3800C Laser Printer

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