Specifications
4.9 Adjusting the Leading Edge Registration
4.9 Adjusting the Leading Edge Registration
Figure 4–8 shows the location of VR202 on the DC control board. VR202
provides a slight amount of registration adjustment. To access VR202 you
must remove the left-side cover and card cage, as shown in Sections 9.19 and
9.16.
The registration adjustment should be checked and adjusted whenever you
replace the following FRUs:
• DC control board
• Paper feed assembly
• Paper feed board
• Scanner assembly
Use the following procedure to adjust the leading edge registration margin:
1. Use a small screwdriver to turn VR202 to the zero (0) position in the center
of its adjustment range. Figure 4–8 shows the location of VR202.
2. Before doing the following step, be ready to mark the leading edge of the
test print.
DSG-000703
a
Leading Edge of Paper
+
–
3. Use a suitable tool to press the
test print switch and print a copy
of the engine board test pattern.
See Figure 1–2 for the location of
the test print switch. Print several
copies.
4. Measure the distance (a) between
the image and the edge of the
paper. Find the average of all
measurements.
5. Adjust VR202 until the average measurement is 2 mm (0.079 in).
6. Repeat steps 3 and 4.
7. Readjust VR202 if necessary.
4–10 Test Patterns and Miscellaneous Procedures