Pf Adjustment - Epson Stylus Color C70 Service Manual

EPSON Stylus COLOR C70/C80
9. Press "O.K." button on above screen after inputting all values. You can see all
values that EEPROM has accepted and registered.
Onece registered values are
indicated for your confirmation.
Figure 5-27. Bi-D Adjust Mode 2
NOTE: You need not to check your once registered value on the Figure 5-23
screen after completing input. (Option name is "Checking present Bi-D
parameter") The all values have already reflected to EEPROM, and
status window shows its once registered values.
10. Press "Previous" button to return the program screen to Figure 5-22 Bi-D
adjustment initial screen.
11. Select "Printing the B-D adjustment pattern" to check the changed values again.
12. Repeat step 4 to step 11 until you judge all vertical lines are completely aligned.
13. Once you complete adjustment, you can advance to next adjustment from Figure
5-23 screen.
Adjustment

5.2.6 PF Adjustment

This section describes how to make PF adjustment. This adjustment must be made
under the following conditions.
NOTE: The printer driver utility supports the adjustment, also.
1. Print Head has been replaced/removed.
2. Horizontal white line appears.
3. C424 Main-B board has been replaced.
4. Paper Feed motor has been replaced.
5. A parts concerning to paper feed system such as ASF or a gear has been
replaced/removed.
1. Setup the adjustment program. Main screen (Figure 5-2) appears.
(Refer to Section 5.2.1.)
2. Select "Adjustment" and then "PF adjust".
3. Main screen changes as below.
Figure 5-28. PF Adjustment Initial Screen
Adjustment
Revision A
152