Having done all that your Best bet is to check your Charger board, you could check for improper sitting and if that's not the case you should replace.
Have you tried the High Voltage board that supply the voltage to the print heads and ITB. could be the print head is fine biut not getting any power to fire the laser and write to the drum
SOURCE: Epson C1900 "ghost " images
Sounds like the transfer roller or the fuser unit may be faulty. Look at the fuser to see if the roller surfaces are dirty. If so, replace the fuser.
SOURCE: Imaging Unit Missing Error
Hi, I had the same problem. The following Cause and solution may help you fix your machine.
All refereces to left and right are facing the front of the machine as if for normal use.
The cause is due to the connector on thtop left rear of the imaging unit. this connector is mated with a coresponding, retractable connector in the body of the machine. When you open the cover over the top of the imaging unit, this connector retracts back into the body of the machine and when you close the lid it should re-engage with the imaging unit, The problem is that it dosen;t reconnect. I have asumed that it is due wear in the connector operating mechanism. This solution was effective for my printer.
Switch Off!!!
remove the topcover (after removing the colour catridges )and. remove the left hand side panel. You will see a nylon gear mechanism. Sqeeze together the nylon clip inthe centre of the gear wheel, and pull the gear about halfway off. This should allow you to move the vertical geared bar up 1 notch. .Push the gear wheel back on and try the machine to see if it works ok. All covers will need to be closed and if it works ok , reassemle the machine. Job done -about 10 to 15 mins. It tookme alot longer to find it,so some feedback would be appreciated.
Paul
SOURCE: laser scanner on dell 5110cn laser printer, prints black smudges
replace fuser. How far apart is the ghost image?
SOURCE: Reseting counter after installing new image transfer roller unit
You need to go into tech rep mode to reset.
press: stop 0 0 stop 0 1, then 0 0 0 0 0 0 0 0, press enter, then press counter on the left, select life, then highlight image trans roller and press the C button, repeat for paper dust remover and exit tech rep mode
SOURCE: Imaging Unit Problem with bizhub C450
On the end of the image unit you will find a white bit of plastic with a small screw in the middle, make sure this screw is tight and then reinstall the units(give the units a bit of a shake too)
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