5-26 magicolor 330 - Base Engine Service Manual
Primary Fault Isolation Procedures
5.12 - Toner on Back of PrintPROBLEM
There is toner contamination on the back of the fused sheet of paper. THE PRINTER
DISPLAYS NO ERROR MESSAGE.
• Xerographic Cartridge (RRP 9.48)
• Waste Toner Box (RRP 9.49)
• Auger Assembly (RRP 9.77)
Step Actions and Questions Yes No
1
PAPER STACK INSPECTION
Inspect the paper that is loaded in the paper trays.
Is the paper clean and free of toner?
Go to step 2 Clean the Tray
and replace the
paper with
fresh, clean
paper
2
MAIN PAPER HANDLING ASSEMBLY INSPECTION
1. Generate a test print and slide the Fuser Assembly out of the
printer just before the sheet of paper reaches the 2nd IBT.
2. Slide the Main P aper Hand ling Assemb ly out of the printer and
inspect the back of the sheet of paper.
Is the back of the sheet of paper clean and free of toner?
Go to step 3 Clean the Main
Paper Han-
dling Assem-
bly and/or
clean or replace
the Metal Reg-
istration Roll
(RRP 9.43) and
the Rubber
Registration
Roll (RRP
9.44)
3
2ND TRANSFER ASSEMBLY INSPECTION
1. Generate a test print and slide the Fuser Assembly out of the
printer just before the sheet of paper reaches the Fuser.
2. Slide the Fuser Assembly out of the printer and inspect the back
of the sheet of paper.
Is the back of the sheet of paper clean and free of toner?
Go to step 4 Replace the
2ND BTR
Assembly
(RRP 9.75) and
if necessary
also replace the
Belt Cleaner
Assembly
(RRP 9.76)
RS518X