Potential Control System Conversion Table - Canon iR7086 Series Service Manual

Chapter 14
*: model w/ DADF-Q1 (non-Japanese model: iR7105/7095; Japanese model: iR7105/7095/7086N)
**: model w/ DADF-M1 (non-Japanese model: iR7086)

14.1.8 Potential Control System Conversion Table

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