Minolta Magicolor 3100 Series Service Manual page 88

FIP-P7 Background
Background
∆ The entire page or a part of paper is dirty (too light gray) with toner.
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 ROS ASSY
2
Is the image quality improved if ROS ASSY 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?
Faulty PWBA HNB MCU
5 Is the image quality improved if PWBA HNB MCU is
replaced?
1-88
Condition / initial check
Check Remedy
Replace the Imaging Unit (PHD)
Replace the ROS ASSY
Replace the FUSER ASSY
Replace the Transfer Unit (BTR)
Replace the PWBA HNB MCU