Service manual
Adjustment
Rev. A
4-11
4.1.7 Bi-d Adjustment
This is required when the CR unit or CR motor is replaced or removed. You perform this operation to
adjust the deviation occurs between lines printed in 2 different print directions when the printer is in the Bi-
directional printing mode.
1. Connect the printer and the host computer with a parallel interface cable.
2. Start the adjustment program in the host computer.
3. Input the customer data. (Refer to Section 4.1.2.)
4. Move the cursor using ↑ or ↓ key to select ´$'-867µ in the 1st menu. Then press WKH Enter key, and
the main menu appears on the monitor.
5. Move the cursor using ↑ or ↓ key to select “%LG $'-8670(17µ. Then press the Enter key, and the
printer prints out the Bi-d adjustment patterns in the draft and LQ modes.
6. Adjust the deviation referring to the flowchart below to make the deviation ( C ) less than 1/2 of the
line width in the draft mode and 1/3 of the line width in the LQ mode. (Refer to Figure 4-8.)
7. Press Space key to repeat the operation. Press the Enter key to exit “Bi-d Adjustment”, and the main
menu appears.
8. Select other adjustment using ↑ or ↓ key, or select “5(78517 2VW0(18µ to exit the main menu.
9. Move the cursor using ↑ or ↓ key to select ´(1'µ and press WKH Enter key to exit the adjustment
program.
;
Adjusted values are not stored in the EEPROM until the printer is turned off. Therefore be sure to
turn off the printer once after the adjustment program is executed.
;
The set values are transferred to the printer when exiting this operation. Therefore do not turn off
the printer before executing “Bi-d Adjustment”.
Start
Select Bi-d ADJUSTMENT in the
main menu.
Print out the Bi-d adjustment
pattern in the draft and
LQ mode.
How is Bi-d?
Direction?
Enter the value with
key.
Enter "0".
Proceed to the main menu.
OK
NG
Enter the value with
key.
Press the Enter key.
Press the Space key.
Print out the Bi-d adjustment
pattern in the draft and
LQ mode.
How is Bi-d ?
(C)
Figure 4-8. Bi-d Adjustment Flow Chart
CAUTION