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Are the pages printed correctly though? Dirty contact perhaps?

Check duplex solenoids/clutches if work correct when flipping the page.

Exactly, first step should be the lens as it is in idiotic location. I had the same printer also given for free.
Less than 200 pages printed on genuine consumables - same effect as on picture above....

Why to even attempt replacing formatter? The main PCA might be the same like it is with OfficeJet Pro X and PageWide but the software is different.
If you do not care to brick the device you could...

Are you using bypass inserter for preprinted covers? That should be working just fine.
Running inserts and covers from a different trays containing different type and weight of paper could possibly...

Hey,

Have anyone ever tried to refill C-EXV20 toner bottles for C6010S with a different model of geniuine Canon ImagePress toners?
I know that such approach is possible with several different...

Hello!

I thought about starting my small printing company and been looking around for a cheap printer with booklet maker as a must. While looking I have set my expectations for a used high end...

Reverse image search shows:

Brother HL-L8900CDW

Or any other device that looks EXACTLY the same.

https://www.copiersplus.com/sites/default/files/product-images/c03553868.png
Hey,

I have just bought x476dn scrapped due to "does not print" (?!)... At the time being I do not know nothing about...

If one would take a look how professional printers from HP are constructed, that are most of the times serviceable even by a hobbyist then low end consumer printers are technically a e-waste straight...

Nope it ain't it. Tried with different power outlet, as stupid as this idea was no changes.

Right now I "scrapped" IR1022 and working on IR1018. This is how test print from service menu looks like...

WHAT THE ACTUAL ... HELL IS GOING ON IN MY HOUSE?!

So I could not sleep and went back to garage. I did found a firmware for IR 1000 series and put IR1018 back together.
This machine has 395k...

Okay so an update to this never ending story:

I have some stupid feeling that it was never a developer fault but a HV or something else!
By a shear fluke I was able to buy presumably working...

Hello all!

Many thanks for all the replies.
I have managed to borrow a different complete drum unit from a local copier technician. Unfortunately the problem is still relevant, thus a faulty...

No luck - Laser is clean. I even removed temporarily that safety shutter just to be sure that it is not blocking anything.
Two last things to check: PCR and OPC

Hey, I am trying to source somewhere locally a compatible drum unit.

But still I wonder. I have seen exact same effect on LaserJet once with a new drum. It is almost like some component is...

55125

Hello all!

I am a hobbyist printer technician, looking for advices from other people who might have more experience with Canon machines :)

Not so long ago I became an owner of this...

Must be joking, right?

Anyway, before this thread was approved by a moderator I found out that almost all charge rollers were quite used up. A quick cleaning on 2000/2500 sandpaper made them...

54449

Hey,

I am still learning basics of in depth repair of laser printers and recently got Laserjet Pro 200 Color with some problems.
I was said that colour toners were working fine but were...