Left Margin Adjustment - Epson DFX-9000 Service Manual

Epson DFX 9000

5.3.5 Left margin adjustment

Adjust the print start position from the left edge of the paper.
This adjustment is required after you remove or replace these parts:
PR MECHA ASSY
CARRIER UNIT
ROM BOARD (only when the EEPROM Data Copy fails)
Tools / materials: Adjustment Program
Paper: 1 sheet of 64 g/m
5 sheets of 39.5 g/m
10 sheets of 50 g/m
Objective: Left margin of 116.8 mm ± 0.5 mm (4.6 ± 0.2 inch)
measured from inside Side Frame, Left.
Adjustment Procedure
1. Set the 1, 5 or 10 sheets of paper in the tractor, and load the paper by
pressing the [Load] button.
2. From the Adjustment Program, select the
3. Click in to print the left margin check pattern with the
Print Mode A
adjustment value currently saved in EEPROM.
4. Refer to Figure 5-30, and measure the distance between the printed
left line and the left frame. Check whether the distance matches the
specification: 116.8 mm ± 0.5 mm.
5. If the line needs adjustment, type an adjustment value for each mode
into each of the input boxes, where 1 step = 1/480 inch.
A negative (e.g., "-12") value moves the print position to the right,
and a positive value moves it to the left.
6. Click to save the new parameter for next print test.
Write
Adjustment
2
(15 lb)
2
(10.5 lb)
2 (13 lb)
.
Left Margin Adjustment
Software adjustment
7. Click again to print the left margin check pattern with the new
Print
parameters.
8. Repeat Step 4 to Step 7 until the margin is within specifications.
9. Make the same adjustment for each print mode, and each paper
thickness.
Figure 5-29. Left Margin Adjustment screen
Measurement
Figure 5-30. Measurement point
Revision B
distance
Scale
247