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sc386 = an error with the black developer. This could be caused by something in the DV unit itself, or the black toner. If you've just replaced either one of these recently, try reinstalling them and resetting the machine. Otherwise, the black development unit probably needs to be replaced.
Book says:
1. Turn the main switch off and on.
2. Reset the transfer belt unit.
3. Clean or replace the transfer belt
sensor.
4. Replace the transfer belt contact
motor.
5. Check the contact and release
mechanism of the transfer belt unit.
My guess is cleaning will solve it.
open the front door and sing don the green lever
locate the 2 screws at the top and bottom of the unit and remove them.
remove the cleaning unit 1 screw and a thmb lever slide the unit out (its on rails) wipevacum and/or blow clean the unit and re assemble
also clean the connector that it plugs to in the back of the machine
(q-tip)
if it still appears belt or unit will need to be replaced
sc440 on the CL7000 is a drum motor error. sc440-2 is specific to the color drum motor. The problem is either the motor itself, the drum gear position sensor, or one or more of the color photoconductor units. The photoconductor units you can replace yourself if you have extras -- see if that will clear up the problem.
If they don't, you'll need to contact a service technician to inspect (and replace if need be) the motor and sensor.
Please rate this solution if it was helpful. Thanks!
probably only when printing in colour? Black only, is ok right? It needs to have it's line adjustment procedure done. This is a series of complicated trial and error adjustments performed in service mode that the individual colours are adjusted based on printouts generated by the printer. Can only be adjusted by a service tech with experience with this adjustment.
You NEED to REPLACE the black development unit with a BRAND NEW item......these things are chipped so it won't accept previously installed units.If the problem still exists try a new PCU (toner cartridge).
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