Figure 4-7 Grid 1-Dot Pattern Annotations - Xerox 7700DX - Phaser Color Laser Printer Service Manual

Note the leading edge of the paper when removing the test print from
the tray. Use a pen or pencil to note the leading edge as the "TOP" of
the print "Grid 1-Dot pattern annotations" on page 4-141. With "TOP"
up, note the direction of scan from left to right as the "FAST "
direction. The direction from the bottom of the print to the top is
referred to as the "SLOW" direction.

Figure 4-7 Grid 1-Dot pattern annotations

Notice which vertical line color(s) on the print needs to be moved right
or left to line up as closely as possible with the cyan color line.
Measure how much each line needs to move (in millimeters) and
whether it must be moved left or right.
Note Cyan is the reference color and does not move. Make the
adjustments of M, Y, and K toward Cyan.
4. From the Adjustment/Calibrations menu, select Coarse RegiCon Init
test. This time answer No to the Set Factory Defaults? Yes/No, but
answer Yes to the Do you want to adjust NVRAM? Yes/No question.
Answer No to Set Skew Error threshold? Yes/No. Answer Fast to the
Which scan direction? Fast/Slow.
5. Select which color (of YMK) to adjust. Select how many millimeters (1-5) to
adjust. Select which direction (Left/Right). The next screen asks for
confirmation: {Adjust <color> by <n> mm? Yes/No}, select Yes.
6. Repeat steps 4 and 5 for the other colors. You reprint the Grid 1-Dot
pattern, as outlined in step 3, or go to the Adjustments/Calibrations
menu: RegiCon 685 Setup Cycle test. If the #1 test fails, print the Grid
1-Dot page to see if the vertical lines are all clustered within 1 mm of the
Cyan line. If not, repeat. It may be necessary to closely inspect the Color
Solid Fill Prints to determine if the image quality is acceptable.
Top
Up Up
(Leading edge into (Leading edge into
output tray) output tray)
Left Left Fast Fast
Down Down
Phaser 7700 Color Laser Printer Service Manual
Right Right
S7700-465
4-141