Question about Canon imageCLASS® MF4150 All-In-One Laser Printer

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My printer MF4122 shows Toner is not set. Insert Toner. means what?

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Believe it or not this error normally relates to the paper tray. Take all of the paper out of the tray and then reinsert the paper into the tray.

Hope this helps.

Posted on Sep 14, 2012


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6ya staff

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Posted on Jan 02, 2017



  • 22 Answers


The error you are describing is usually cause by a bad cartridge but if you have tried a new Canon cartridge because refills will cause this a lot then we would need to look internally. If you look inside the unit (cartridge removed) on the right hand side towards the bottom you will see 3 flat metal plates. These are called spring plates when you push on them they should move in and out check and make sure they are not bent or depressed in you can try and use your fingers to fix them if they are. If not this unit would still be under the 3 year manufacture warranty call Canon they should give you service options. 800-828-4040

Posted on Jan 29, 2009


  • 83 Answers

SOURCE: Toner is not set Insert toner. Toner is set.

toner is like the catridge.. i think yu ve an laser printr.. yur toner is removed or else loose.. yu shd fix tat problm... by checkin yur toner.

Posted on Jul 06, 2009


  • 16 Answers

SOURCE: my printer canon imageclass MF4122

1- open the glass scaner
2- now clean the steel shift and the in the end shift you can see white plastic roller clean it by oil cleaner then but on it white greze let the greze be between the slote of the white roller tobe move good
3- another side of the shift you have amotor and tow plastice dishly clean it then but a greze on it noite not put mor grezs
4- now clean the glass scaner and teste your printer
if it's still in problem try whith this step
1- open glass of the scaner then you have white cable it's between the scaner lamp and logic change it and teste your brinter
if it's still in problem do it's end step and you will finish the problem
change the scaner lamp and not forget clean the stel shift in the begining when you clean the white roller and put on the steel shift a white greze
good luck
basher66 - Iraq- Ramadi -

Posted on Nov 29, 2009


  • 1 Answer

SOURCE: Canon imageclass mf4122 showing errow E225

Canon imageclass mf4122 showing errow E225

Posted on Mar 09, 2010

Daniel S

Daniel Scott

  • 4323 Answers

SOURCE: when I power on my


Error e225 on Canon MF4122 appears due to a loose gear or a mechanical problem with the device. However, this error may also appear due to firmware error. You'll need to update the firmware to resolve the issue. Download the firmware from this link---

Canon imageclass printer error e225 firmware

Also try looking for a broken gear and/or loose wiring inside the printer. Hope this helps... If it does please do not forget to accept the solution or post back for assistance.


Posted on Sep 18, 2010

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