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:D Hey we fixed it ! Tried to run the I/O for the toner motor and and could not turn it off so we tried the top toner hopper motor in the I/O and it worked , so we swapped the two identical motors...

The motor for main toner hopper under the toner bottle keeps trying to add toner and packs the cup/mixing unit on the bottom and packs toner in the rubber tubes connected to it. After cleaning out...

I am starting to see this on my new 951 installs too !! walk up use, put original in feeder push the blue button and get " Machine warming up " wait 20 or 30 seconds and then starts to print,...

just want you guys to know the new actuator part number worked great !
# 4A3-5454-010 thanks for all your help.

I have this exact Issue on a ir5570/ T-1 finisher, Installed a new old style actuator(front facing) the old one was broken. But when you try to run the first copy the top tray goes UP about an inch...

Pull fuser unit out and take a good look at the electrical plugs that would mate to the main frame when inserted, the may have a bent contactor and the ones on the main frame side may be pushed in or...

I am thinking the developer station may have a problem, swap the yellow dev. unit with the magenta dev unit and run a # 53 test target at 128 density on yellow and see what it looks like. the color...

Yes mine was at the rear too, not sure why it only would show up when running heavy paper, In my case I moved the adjustment plate all the way forward for max. distance from drum. Maybe when the...

Ok , two days ago I went back to this customer and was going to put some tape on the drum when I noticed there was an adjustment plate with one screw, so I moved the plate at both ends of the drum...

This problem is still happening...search "copy quality on heavy paper" I am having the issue with C6000 and C7000, other techs are reporting that they have replaced lots of parts, TFR units, Fuser...

This is a great tip using the orange tape ! I am just trying to figure out what happens to the machine when the heavy gsm selection is used, and why using 100 gsm would be better to fix this...

I am having same issue on a C6000 and a C7000 replaced transfer belt assy., fuser, and I am replacing the developer unit monday, mostly on heavy paper 257 to 300gsm.

I had the finisher entrance rollers section, idler roller tension spring come loose causing feed problem

Has the tech tried to adjust the AC and DC transfer adjust timing lead and trail edge, looks like the transfer voltage is switching off before paper edge reaches transfer belt.

Looking forward to helping as much as I can and getting help in return, I am currently working on the Production Team at KonicaMinolta bizhub920 , and up to C8000 . Six more years to retire, been...