Adjustment Tools - Epson Stylus COLOR 800 Service Manual

4.1.2

Adjustment Tools

Table 4-2 shows the tools necessary to adjust this printer and the menus to be adjusted.
Tools for adjusting
Program disk for adjustment
y DOS system
y GWBASIC
y Adjustment program
(Version J70C00E)
Thickness gauge (1.1 mm)
The program disk for adjustment consists of the total of 40 files such as DOS system, GWBASIC.EXE,
and adjusting programs. The adjusting menus in the program are as shown below:
Main menu
Input of Customer data
Adjustment/Print inspection
Change of center value
Input of comment
Change of date
Change of time
End
Select Menu :?_
Select the item in the light gray shaded box to perform necessary adjustment. You can proceed to the sub
menu thorough the item in the dark gray shaded box in the bold line. Selecting "All adjustment" in the
sub menu enables you to perform the following adjustments consecutively;" Head angular adjustment",
"BK.-M Linear adjustment" and "Head GAP adjustment/Bi-d adjustment" This section, however, only
refers to the individual adjustment methods.
; During adjustment, values such as Customer data, head voltage value, head gap adjustment
value, and Bi-d adjustment value are written into the EEPROM at the specified timing as follows;
„ Customer data
„ Head voltage value
„ Bi-d/ Head gap adjustment value:
Rev. A
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Table 4- 2. Adjustment Tools
‰ Customer data writing operation
‰ Initial ink charge (Ink charge)
‰ Head voltage adjustment
‰ Head angular adjustment
‰ Black/color head vertical adjustment
‰ Head gap adjustment
‰ Bi-d adjustment
‰
Platen gap adjustment
Sub menu
Ink charge
Write to the Head voltage value
All adjustment
Head angular adjustment
BK.-M Linear adjustment
Head GAP timing adjustment
Bi-d adjustment
Print inspection
Ink discharge
Customer data change/End
Select Menu :?_
Figure 4-1. Adjustment Program Menu
CAUTION
: At performing "Print Inspection".
: When the "Return" key is pressed after entering the
values during "Write to the Head voltage value"
menu . The data is then transferred to the printer.
At performing "Print Inspection".
Item to be adjusted
Print inspection sub menu
Input M/C No. : ?_
Black voltage value :
Color voltage value :
Adjustment
GOS paper print test
S.F. paper print test
O.Q.A print test
Cleaning
Return to the MENU
Letter paper print test
Select Menu :?_
4-3