Konica Minolta Magicolor 3300 Service Manual page 103

P5 "Horizontal Band Deletions"
∆ There are areas of the image that are extremely light or are missing entirely.
These missing areas from wide bands that run horizontally across the page parallel with the paper feeding
direction.
Initial check
Parts of different specifications, improper installation, damage, deformation, dirt, foreign substance
attached, etc.
∇ Major parts to be checked ∇
PHD ASSY, FUSER ASSY, BTR ASSY, ROS ASSY, PWBA MCU HBN, S-HVPS
Item
Faulty PHD ASSY
1
Is the image quality improved if PHD ASSY 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 BTR ASSY
4
Is the image quality improved if BTR ASSY is replaced?
Checking the cyclicity
5
Check if a trouble occurs cyclically. (See sheet 1-66)
Condition / initial check
Check
Chapter 1 Troubleshooting
Remedy
Replace the PHD ASSY
Replace the ROS ASSY
Replace the FUSER ASSY
Replace the BTR ASSY
Replace the parts concerned
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