Epson FX-880 - Impact Printer, Service Manual

Page: 79 / 100

FX-880 Service Manual
Chapter 5 Adjustment
Rev. A
5-7
10. Repeat Step 8 and Step 9 to align the lines continuously by making “a” as specified below:
All mode : Less than 0.05 mm (at the center of the column)
Mode 0 : Less than 0.3 mm (at left and right sides of the column)
Mode 1 : Less than 0.2 mm (at left and right sides of the column)
Mode 4 : Less than 0.05 mm (at left and right sides of the column)
11. Press “Return” key to fix the adjustment value in each mode.
12. Turn off the printer once to install the Bi-D setting into the EEPROM.
13. Press “ESC” key for several times to quite the program.
CAUTION
„
As this adjustment program is just same as the check program in the
factory and includes many other check items which are not needed
for service, you should not performed any items which are not
described in this manual. Otherwise, the printer functions are not
guaranteed.
„
The Bi-D adjustment value is not installed into the EEPROM without
power off.