Xerox 7700DX Service Manual - Page 160

Registration Control Procedures

Page 160 highlights

Registration Control Procedures Note For the following procedures you must perform certain steps prior to, during and after the tests are run. The following information is vital to the process and must be followed in order for each procedure to function properly. If the adjusting screws reach their maximum adjustment range either Clockwise or Counter Clockwise, center the adjusting position of the screws and restart the RegiCon procedure. The adjusting screws have 18 complete turns from fully CW to fully CCW. To adjust the screws to the center position, turn the screw to either limit and then turn it back 9 complete turns. Table 1 RegiCon Procedure Step Actions and Questions Yes No 1 Print the Grid 1-Dot print from Diagnostics. Complete. The Go to step #2. Do all the colors align correctly? (This color registration means that all the colored lines will appear problem is not merged when viewed with the naked eye. If related to viewed under magnification all colors will RegiCon. not overlap perfectly in all areas of the page.) 2 Perform the Reset Engine NVRAM Go to step #3. Perform the procedure (page 6-150) using the Coarse RegiCon ORIGINAL Hard Drive from the printer. Initialization Reprint the Grid 1-Dot print from procedure Diagnostics. (page 4-140). Go Do all the colors align correctly? to step #1. 4-130 Phaser 7700 Color Laser Printer Service Manual

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4-130
Phaser 7700 Color Laser Printer Service Manual
Registration Control Procedures
Note
For the following procedures you must perform certain
steps prior to, during and after the tests are run.
The
following information is vital to the process and must be
followed in order for each procedure to function properly.
If the adjusting screws reach their maximum adjustment range either
Clockwise or Counter Clockwise, center the adjusting position of the screws
and restart the RegiCon procedure. The adjusting screws have 18 complete
turns from fully CW to fully CCW. To adjust the screws to the center position,
turn the screw to either limit and then turn it back 9 complete turns.
Table 1 RegiCon Procedure
Step
Actions and Questions
Yes
No
1
Print the
Grid 1-Dot
print from Diagnostics.
Do all the colors align correctly? (This
means that all the colored lines will appear
merged when viewed with the naked eye. If
viewed under magnification all colors will
not overlap perfectly in all areas of the
page.)
Complete. The
color registration
problem is not
related to
RegiCon.
Go to step #2.
2
Perform the
Reset Engine NVRAM
procedure (page 6-150) using the
ORIGINAL Hard Drive from the printer.
Reprint the Grid 1-Dot print from
Diagnostics.
Do all the colors align correctly?
Go to step #3.
Perform the
Coarse RegiCon
Initialization
procedure
(page 4-140). Go
to step #1.