Checking The Potential System - Canon iR5055 Series Service Manual

14.1.5 Checking the Potential System

iR5065 / iR 5055 / iR5075 / iR5075N / iR5065N / iR5055N
<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.
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-14-9
YES
End.
Chapter 14
0015-5284
14-7