5.7 - Horizontal Streaks - Minolta magicolor 330 Service Manual

Primary Fault Isolation Procedures

5.7 - Horizontal Streaks

RS507X
Step
XEROGRAPHIC INSPECTION
1. Generate a test print and slide the Fuser Assembly out of the
printer just before the sheet of paper enters the Fuser.
1
2. Remove the Xerographic Cartridge (RRP 9.48).
3. Inspect the image on the Drum.
Is there a normal test print image, without any horizontal
streaks, visible on the drum?
IBT INSPECTION
Inspect the image on the surface of the IBT?
2
Is there a normal test print image, without any horizontal
streaks, visible on the surface of the IBT?
2ND TRANSFER INSPECTION
1. Generate a test print and slide the Fuser Assembly out of the
printer just before the sheet of paper enters the Fuser.
3
2. Inspect the image on the sheet of paper just before the paper
enter the Fuser.
Is there a normal test print image, without any horizontal
streaks, visible on the sheet of paper?
FUSER INSPECTION
1. Generate a test print and slide the Fuser Assembly out of the
printer just as the sheet of paper exits the Fuser.
4
2. Inspect the image on the sheet of paper just after the paper exits
the Fuser.
Is there a normal test print image on the sheet of paper before
entering the Fuser but the image has visible horizontal streaks
after it exits the Fuser?
5-16
PROBLEM
There are black lines running horizontally across the paper. THE PRINTER DISPLAYS
NO ERROR MESSAGE.
• MCU PWB (RRP 9.123)
• Controller PWB (RRP 9.129)
• LVPS (RRP 9.119)
• ROS Assembly (RRP 9.47)
Actions and Questions Yes
Go to step 2
Go to step 3
Go to step 4
Go to step 5
magicolor 330 - Base Engine Service Manual
No
Go to step 6
Replace the
Transfer
Assembly
(RRP 9.71)
Replace the
2ND BTR
Assembly
(RRP 9.75)