Band Feed - Epson Stylus Pro 7700 Service Manual

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908

5.5.3 Band Feed

This allows you to correct the paper feeding amount. If this adjustment is not executed
properly, it may cause banding.
Before performing this adjustment, install the latest firmware
C A U T I O N
(p.421).
Make sure to check skew (p.406) before executing this
adjustment to make paper to be fed correctly.
When performing this adjustment, make sure to use specified
paper.
There are two methods in this adjustment. Select either of them
C H E C K
P O I N T according to the user's needs. (excluding Epson StylusPro WT7900/
WT7910)
High precision adjustment:
For those users who take print quality very seriously.
Consumes about 1,000mm of paper per adjustment.
Simplified adjustment:
For those users who do not take print quality so seriously. For
this adjustment, consumes only about 500mm of paper per
adjustment.
REQUIRED TOOL
Ruler (can be measured up to 1,000mm)
PAPER USED
Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/
9890/9908/7890/7908
Size: 24 inches or more
Type: Premium Glossy Photo Paper (250)
Epson Stylus Pro WT7900/WT7910
Size: 24 inches
Type: Premium Glossy Photo Paper (250)
ADJUSTMENT
STANDARD VALUE
Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/
9890/9908/7890/7908
High precision adjustment: 990.6mm ± 0.35mm
Simplified adjustment: 508.0mm ± 0.15mm
Epson Stylus Pro WT7900/WT7910
990.2mm ± 0.35mm
PROCEDURE
Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/
9890/9908/7890/7908
1. Turn the printer ON in the Serviceman Mode.
Turn the power ON while pressing [Menu
simultaneously.
2. Select the adjustment item.
High precision adjustment:
Select SELF TESTING
Printing.
Simplified adjustment:
Select SELF TESTING
3. Press [OK] while
The adjustment pattern will be printed.
4. Measure the distance as shown in
Within the standard value: Turn the printer OFF and finish the adjustment.
Out of the range:
When measuring the value, make sure to put the adjustment
C A U T I O N
pattern on the horizontal surface.
5. Select Feed Adj (1m)
PF Related Adjustment
] + [Paper Feed
→ →
Mecha Adjustment
→ →
Mecha Adjustment
[Enter] Print is displayed.
Figure 5-67.
Go to Step 5.
→
(or Feed Adj) Input.
Revision I
] + [OK]
→
Feed Adj (1m)
→
Feed Adj Printing.
407
Confidential