Canon 7086 Series Service Manual - page 508
Chapter 14
14-8
F-14-10
14.1.8 Potential Control System Conversion Table
0010-9305
iR7105 / iR7095 / iR7086
T-14-1
Control [V]
Primary [uA]
Developing bias [V]
Pre-transfer
[uA]
Transfer [uA]
Separation [uA]
3.00
1600
0
0
0
0
3.05
1590
3
+2
-4
+5
3.10
1580
7
+4
-8
+10
3.15
1570
11
+6
-12
+15
3.20
1560
15
+8
-16
+20
3.25
1550
18
+10
-20
+25
3.30
1540
22
+12
-24
+30
3.35
1530
26
+14
-28
+35
3.40
1520
30
+15
-32
+40
3.45
1510
33
+17
-36
+45
3.50
1500
37
+19
-40
+50
3.55
1490
41
+21
-44
+55
3.60
1480
45
+23
-48
+60
3.65
1470
48
+25
-52
+65
3.70
1460
52
+27
-56
+70
3.75
1450
56
+29
-60
+75
3.80
1440
60
+30
-65
+80
End.
YES
YES
NO
NO
Make one copy of the A3 Chart in
text/photo mode.
Go to “Checking the Solid Black Density” for the printer unit.
Is the
density of gray scale
No.8 (halftone)
different?
If it is too dark,
If it is too light,
When
the A3 Chart
is copied in text/photo
mode, is the density of No.8 optimum
when compared with Nos.7
through 9?
K
Decrease the setting of the
following in service mode:
COPIER > ADJUST > DENS
>DENS-ADJ
Increase the setting of the
following in service mode:
COPIER > ADJUST > DENS
>DENS-ADJ
*: model w/ DADF-Q1 (non-Japanese model: iR7105/7095; Japanese model: iR7105/7095/7086N)
**: model w/ DADF-M1 (non-Japanese model: iR7086)