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Where is drum and patch sensor in irc3170

Error message E000020-0081

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E000020 0360

The error code E020-0360 refers to the ATR patch failing to be created correctly on the ITB or a patch sensor error. If you are lucky, a new toner cartridge may fix your problem. There is a known issue with the original style toner addition "set-on" unit. This is a major repair, and requires a trained technician. Other possible causes include the black drum unit (toner and drums can be user replace), ITB unit and patch sensor. A laser unit has also been known to cause this problem.

If you need further help, I’m available over the phone at

Jul 30, 2014 | Canon Office Equipment & Supplies

1 Answer

When I turn on my Canon iRC3170 I receive an error code E0748 - 4150. What is wrong?

I have a Canon iRC3170 photocopier, when it is switched on it shows this error message E0748 - 4150. What is wrong? Thank you.

Mar 13, 2014 | Xerox DocuColor 12 Printer

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Hello sir i am getting error on Canon irc3170 errror code 0020-01a8 ..... it was working fine but when i filled yellow and magenta tone since then i am getting this error code i think i ned to clean atr...

E020 Drum/Developer-related error

XX=01:Y XX=02:M XX=03:C XX=04:K XX=00:Any color

XXA8= In ATR control, the detected T/D ratio is upper than its upper limit (13%) 3 times
in succession.

Check on toner leak from toner buffer in the developing unit, Replace the ATR sensor
imageRUNNER C3100 / C3170

Jan 09, 2018 | Canon ImageRunner C-3170I Copier

2 Answers

E000020-0081 ERROR

Hi soni_dipu,

I would like to clarify if what is the brand and model name of your machine.

Thank you for using FixYa.

Aug 30, 2011 | Office Equipment & Supplies

1 Answer

ERROR E000020-0081 in the screem IR3170 C

these is developer/drum related error.
One of possibilities can be that you need to clean the drum patch sensor that reads the drum surface or replace drum unit.

The drum patch sensor is located above the drum unit inside of copier. For better understanding you will need service manual.

Hope that helps!

Jun 08, 2011 | Canon imageRUNNER C3170U Color Copier

1 Answer

IR 3100 error. E020-01A9, E020-02A9,

E020-01A9 Error Code : iR C3100 Series
Hi there
I have looked it up and what it says about it I have put down for you so you can gave it a try hope it works for you.
E020-01A9 Error Code.

For ATR control, the detected Toner/Density ratio exceeds the lower limit (3%) 3 times continuously for Yellow

The ATR Sensor and Patch Image Read Sensor both determine toner density. Depending on the density readings the copier will or will not add toner. Check the status of the Drum Unit under COPIER>DISPLAY>MISC>DRUM-LIFE. The Patch Image Read Sensor looks at a patch of toner that is generated on the drum for each colour and determines the amount of toner that is in the patch by the amount of reflected light. If the drum is not creating the patch correctly, the patch reading will be affected. Replace the Drum Unit if it is 80% of its rated life or higher. ..

Feb 16, 2010 | Canon iRC3100 Printer

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Canon IR3100CN has a error message E0000200081 any help

Dirty Drum patch sensor OR the drum has reached 100% of it's life.
iRC3100 drums NEVER go past 100%...once they reach that magic figure in the counters then it's time for a drum replacement.
If you know how to access service mode then check under:
COPIER>DENS>P-SENS-P and make sure that the figure is around the 500 mark...if it's below say,250 then that indicates that the drum patch sensor is having trouble reading correctly and may either need cleaning or a new drum unit.

Jan 29, 2010 | Canon iRC3100 Printer

1 Answer

Error code F2-37

This is a drum process control error. There is a small patch on the drum that is read by the control sensor every time the drum rotates.
go into SIM mode by pressing the following keys one after the other "P" "*" "C" "*" and then enter 44 and start then 2 and start - this will run the process control gain adjustment. You can also clear the error by running sim 14. If the error continues after both of these then it could mean a bad drum/patch or a bad/dirty sensor. They may need to be replaced. pull the drum unit out and check the condition of the drum.

Apr 02, 2009 | Sharp Office Equipment & Supplies

1 Answer

Canon iRC3170 with E000020-0081 code

the patch sensor is dirty, take out the drum unit. under the itb belt , top left you will see two semi flat blaack plastic pieces. Carefull with your hand you can cram a lint free rag up next to the black shinney belt and the sensors and wipe them off. Use a CLEAN soft cloth to clean these senors off.

When the drum is very old it can cause this error, first thing to do is to clean these senors off. 99 percent of the time that will fix ya.

Mar 05, 2009 | Canon Office Equipment & Supplies

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