Epson DLQ-3000 Service Manual page 134

Y
PG adjustment value verification
Step 1) Install the ribbon mask and the ink ribbon to the printer and the CR, respectively.
(Make sure that the printer power is off and the printer power cable is unplugged
from the AC power socket.)
Step 2) Switch the release lever setting to the continuous paper mode and set the paper
which meets the specification to the tractor.
Step 3) Turn the printer On.
Step 4) Input "4" to select "4. PLATNEN GAP VERIFICATION" from the menu "PLATEN
GAP", and the paper is automatically loaded. Then the printer prints the PG
amount for each step (from 1 to 9), as shown below, and indicates "Data X" and
"GTHK" (paper thickness) on the LCD panel.
Note: Values for , C, P and X are parameters in the hexadecimal .
Step 5) Verify the followings:
T
PG values indicated for the computer and printer are identical.
T
Value for GTHK is in the range from 23 to 87.
If the result is not correct, perform the platen gap adjustment again.
Step 6) If the results in the output and LCD indication are normal, turn the printer off. To
proceed to the next adjustment menu "Bi-D Adjustment", stop the program once
and start it again to enter the main menu.
Rev. A
PG CHECK
COMPUTER
ALPHA
-1 C(-1)
1 C(1)
9 C(9)
GTHK =
PRINTER
P(-1)
P(1)
P(9)
Adjustment
4-7