Minolta Magicolor 3100 Series Service Manual page 87

FIP-P6 Black (color) spots
Black (color) spots on print
∆ Toner spots are scatted disorderly on the entire paper.
M Initial check M
Incorrect parts, improper installation, damage, deformation, dirt, foreign substance attached, etc.
∇ Major parts to be checked ∇
Imaging Unit (PHD), FUSER ASSY, Transfer Unit (BTR), ROS ASSY, PWBA HNB MCU, SUB HVPS
Item
Faulty Imaging Unit (PHD)
1 Is the image quality improved if Imaging Unit (PHD) is
replaced?
Faulty FUSER ASSY
3 Check the HEAT ROLL and NIP BELT for evidence of
damage, dirt, or foreign substances.
Faulty Transfer Unit (BTR)
4 Is the image quality improved if Transfer Unit (BTR) is
replaced?
Condition / initial check
Check
Chapter 1 Troubleshooting
Remedy
Replace the Imaging Unit (PHD)
Replace the FUSER ASSY
Replace the Transfer Unit (BTR)
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