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FIP-P7 Background
Condition / initial check
Background
∆ The entire page or a part of paper is dirty (too light gray) with toner.
▼ Initial check ▼
Incorrect parts, improper installation, damage, deformation, dirt, foreign su bstance attached, etc.
∇ Major parts to be checked ∇
Imaging Unit (PHD), FUSER ASSY, Transfer Unit (BTR), ROS ASSY, PWBA HNB MCU, SUB HVPS
Item Check Remedy
1
Faulty Imaging Unit (PHD)
Is the image quality improved if Imaging Unit (PHD) is
replaced?
Replace the Imaging Unit (PHD)
2Faulty ROS ASSY
Is the image quality improved if ROS ASSY is replaced? Replace the ROS ASSY
3
Faulty FUSER ASSY
Check the HEAT ROLL and NIP BELT for evidence of
damage, dirt, or foreign substances.
Replace the FUSER ASSY
4
Faulty Transfer Unit (BTR)
Is the image quality improved if Transfer Unit (BTR) is
replaced?
Replace the Transfer Unit (BTR)
5
Faulty PWBA HNB MCU
Is the image quality improved if PWBA HNB MCU is
replaced?
Replace the PWBA HNB MCU