konica minolta c500 error

[pontiac]

Customer of ours just got this copier for free and asked us if we could find out what this error code is for them. sc 21-04, Thanks for replys

[Mick01]

There is an issue with the pre charge exposure lamp for Black (PCL)
Try swapping with one of the other PCL's (cyan for example) and see if the fault changes.

[pontiac]

Mick01 thanks for reply, I will post results again thanks.