Related alarm codes
• 40-0374(Prior notification alarm)
• 43-0374(Replacement completion alarm)
Related Services mode
• COPIER>COUNTER>DRBL-1>ITBCLN-U
■ Secondary Transfer Outer Roller Cleaning Control
This machine cleans the Secondary Transfer Outer Roller in order to prevent soiling of the back of the paper.
Control timing
• At warm-up rotation
• At last rotation
• After executing the image stabilization control (generation of patch image on the ITB)
• When service mode is executed
Control description
The secondary transfer cleaning bias, which has been generated on the Secondary Transfer High-Voltage PCB (UN7), is applied
to the Secondary Transfer Outer Roller.
Residual toner on the Secondary Transfer Outer Roller is attached to the ITB, and then collected by the ITB Cleaning Unit.
[4]
[5]
No.
[1]
Secondary Transfer Outer Roller
[2]
Secondary Transfer Inner Roller
[3]
Drive Roller
[4]
ITB Cleaning Blade
[5]
ITB Cleaning Screw
Related Service Mode
Cleaning of the Secondary Transfer Outer Roller
COPIER > Function > CLEANING > 2TR-CLN
UN74
[3]
Parts Name
As well as attracting toner on the ITB to the paper, paper is fed.
Paper is fed while the tension of the ITB is maintained.
The ITB is driven. The ITB displacement is corrected.
Residual toner on the ITB is collected.
Residual toner collected in the ITB Cleaner Unit is fed.
123
2. Technology
[2]
[1]
Roll