Head Angular Adjustment; Bi-D Adjustment - Epson Stylus OFFICE B30 Service Manual

EPSON Stylus C110/C120/D120/WorkForce 30/EPSON Stylus OFFICE B30/T30/T33/ME OFFICE 70

5.2.3 Head Angular Adjustment

The following pattern is printed. The lines below "1 to 80" are printed while the
carriage moves from the home to the other side, and lines below "80 to 1" are printed
while the carriage returns to the home.
-4
-3
-2
-1
0
Figure 5-3. Head Angular Adjustment Printout Pattern
How to Judge
Examine the printout patterns and enter the value (-4 to 4) for the most straight lines.
Additional information
When "4" or "-4" is the most straight lines, it indicates that the printhead is not
installed correctly. Reassemble the printhead and carry out this adjustment again.
Example for judgement
C H E C K
P O I N T
ADJUSTMENT
-4
-3
-2
1
0
NG OK
Using the Adjustment Program

5.2.4 Bi-D Adjustment

The following pattern is printed for each of the five print mode (five dot size modes).
9 10 11
Figure 5-4. Bi-D Adjustment Printout Pattern
How to Judge
Examine the printout patterns for each of the five modes, and enter the value for the
pattern with no gap and overlap for each mode.
Additional Information
If no OK pattern is printed, enter the value for the best one, and print the adjustment
pattern again.
Example for judgement
C H E C K
P O I N T
Overlap
NG
Revision C
12 13 14
Gap
OK NG
Confidential
15
104