Minolta Magicolor 3100 Series Service Manual page 84

FIP-P3 Black Prints
∆ The entire image area is black.
M Initial check M
Incorrect parts, improper installation, damage, deformation, dirt, foreign substance attached, etc.
∇ Major parts to be checked ∇
Imaging Unit (PHD), Transfer Unit (BTR), ROS ASSY, PWBA HNB MCU
Item
Faulty transfer
1 Is the image quality improved if the laser beam exit
window of ROS ASSY is shielded with a sheet?
Faulty ROS ASSY
2
Is the image quality improved if ROS ASSY is replaced?
Faulty Imaging Unit (PHD)
3 Is the image quality improved if Imaging Unit (PHD) is
replaced?
1-84
Condition / initial check
Check Remedy
Replace the PWBA HNB MCU
Replace the ROS ASSY
Replace the Imaging Unit (PHD)