First of all clear the up error and see if still after clearing the error the still same error remains .then change the Bk ( black developer unit) unit
Hello, could you help me with the error E020-191 in ir adv 5255 canon, after printing a sheet that error appears  Hello, could you help me with the error E020-191 in ir adv 5255 canon, after printing a sheet that error appears
❤❤❤❤ شكرا❤❤❤
同样有这个问题，但是应该拿colour放去bk clear error 还是一样出0491，之前出025-04A0 已经换后面转toner 的
bk toner cap open and close problam
Apart from changing the dv unit assembly,is there any other way to solve this error 020-0491???
Clear Error E000027-0300 Canon Advance C5240 C5030 Watch this video of mine it will help you
Black Toner not dropping into developer unit
Can I Buy this Developer BK??
First of all clear the up error and see if still after clearing the error the still same error remains .then change the Bk ( black developer unit) unit
If the error goes away then print and see if the error comes again after a print then see my other video which may help you to clear this error
I got a noise with blank copy before this error
found developer unit not rotating 😢
Hello, could you help me with the error E020-191 in ir adv 5255 canon, after printing a sheet that error appears

Hello, could you help me with the error E020-191 in ir adv 5255 canon, after printing a sheet that error appears
Check cyan developing unit
I have already made a video on this error, please watch my video
Error code 000841 0001canon 165
fuser shutter motor issue. You will want to check the the shutter motor
solve this error 020-0390 for canon adv c5235
Cyan developer unit