Canon Color imageCLASS MF8280Cw, Service Manual

Page: 332 / 401

6
6
6-7
6-7
Trouble Shooting > Special Management Mode > Menu List
Trouble Shooting > Special Management Mode > Menu List
Menu List
Item Name Description M82 M85
14159 Fixing of USB device ID
○ ○
Details To fix the USB device ID to “000000000000”.
Driver for each machine is installed to a PC. However,
by fixing the serial number, the PC considers that any
connected machine to be the same machine; thus, there
will be no need to install the drivers many times.
Adj/set/operate method 1) Enter the value, and then press OK key.
2) Turn OFF/ON the main power switch.
Display/adj/set range 0 to 1
0: OFF, 1: ON
Default value 0
27767 Setting of highly-resistive paper
○ ○
Details To increase the secondary transfer bias.
Use case When a trace which looks like toner scattering occurs
around the text or print pattern depending on the paper
type or environment (especially in a low humidity
environment)
Adj/set/operate method Select the item, and then press OK key.
Display/adj/set range
0 to 1
0: OFF, 1: ON
Default value 0
89793 Execution of re-transfer prevention mode
- ○
Details To lower the primary transfer bias.
Use case When re-transfer occurs due to strong primary transfer
bias
Adj/set/operate method Select the item, and then press OK key.
Display/adj/set range
0 to 1
0: OFF, 1: ON
Default value 0
23846 Setting of moist paper
○ -
Details To increase the secondary transfer bias.
Use case When color text or pattern using 2 or more colors of
toner becomes lighter depending on the paper type or
environment (especially in a high humidity environment)
Adj/set/operate method Select the item, and then press OK key.
Display/adj/set range
0 to 1
0: OFF, 1: ON
Default value 0
Item Name Description M82 M85
26433 Execution of drum idle rotation mode
○ ○
Details To execute idle rotation of the drum.
Use case When thin, sharp horizontal lines appear in halftone
images after a long downtime
Adj/set/operate method Select the item, and then press OK key.
Display/adj/set range
0 to 1
0: OFF, 1: ON
Default value 0
14682 Execution of image fogging prevention mode 1
○ ○
Details To change the developing bias.
Use case When toner is lightly transferred to the white area in case
of printing an image with large white area using glossy
paper
Adj/set/operate method Select the item, and then press OK key.
Display/adj/set range
0 to 1
0: OFF, 1: ON
Default value 0
83279 Setting of Chinese paper
○ ○
Details To change the transfer bias.
Use case When a trace which looks like toner scattering occurs
around the text or print pattern in case of using Chinese
paper
Adj/set/operate method Select the item, and then press OK key.
Display/adj/set range
0 to 1
0: OFF, 1: ON
Default value 0
50288 Execution of ITB cleaning failure prevention 2
○ ○
Details MF8200
To alleviate cleaning failure by increasing the current
(bias) applied to the Cleaning Blade and Primary
Transfer Roller.
MF8500
To execute cleaning for one round of the ITB after
printing 2 sheets. (It becomes 2 sheets intermittent
mode.)
It is more effective than ICL-IMP.
Use case When an image that was on 2 sheets before appears
lightly depending on paper type and print pattern
(especially high printing ratio)
When the trailing edge of paper is soiled
Adj/set/operate method Select the item, and then press OK key.
Display/adj/set range
0 to 1
0: OFF, 1: ON
Default value 0