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Phaser 7700 Color Laser Printer Service Manual
4-133
RegiCon Flowchart
Figure 4-5 RegiCon Flowchart
Phaser 7700 Registration Control Adjustment
(DC685 RegiCon Adjustment)
Are all
primary fill
test prints
OK?
No
Run Belt Edge
Learn
Pass?
Correct Fault
(Replace
Accumulator Belt)
No
Yes
Yes
Run RegiCon #4
Pass?
Yes
Record results and
run RegiCon #1
Pass?
Yes
Check Print
Quality
Correct print
quality problem
and reset.
Run Coarse RegiCon
Initialization
and Adjust YMK < 1mm
from Cyan
No
Rerun RegiCon #4 and
Adjust mirrors for
values greater than -5
to +5
No
Pass?
No
Troubleshoot,
repair and start
over
Yes
All results
-5 to +5?
Run RegiCon #2
Pass?
Move MOB
Sensor to
Center position
No
No
Yes
Yes
Run RegiCon #3
Pass?
No
Yes
?
Restore MOB Sensor
?
Set DIP Switch 2 UP
?
Store NVRAM to HD
Note 1: Do not make
adjustments of 5 or
fewer clicks. Any
adjustment of 5 or
less is considered
"noise".
Note 2: Always record
the results of each
RegiCon procedure.
This provides a path
by which the printer
can be restored.
Note 3: After running
a RegiCon test, always
wait 10 seconds after
the printer reboots
and comes to ready
before interrupting
power.
Set DIP switch
2 down
Run RegiCon
#1
Adjust mirrors for
values greater than
-5 or +5
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