Canon iR7086, Service Manual

Page: 508 / 735

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
<Checking Halftone Density>
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)