Bi-D Adjustment - Epson Stylus Photo R220 Service Manual

EPSON Stylus Photo R220/R230

3.2.5 Bi-d Adjustment

[Adjustment Procedure]
1. Select Bi-D Adjustment in the Adjustment Program.
2. Click the [Print] button to print Bi-D Adjustment Pattern.
3. After selecting the pattern that has the smallest misalignment in each variable dot,
click the [Go to input page] button in the Adjustment Program.
4. Click the [Input] button to write the adjustment value.
5. Click the [Go to print page] button.
[Treatment procedure for NG product]
1. Replace the Print Head with new one again.
2. Print the check pattern, and examine the printed pattern.
3. If the result is NG level, confirm the installation condition of removed parts during
disassembly.
4. Perform Step2 again.
C H E C K For Bi-D Adjustment, the Adjustment Program
P O I N T
automatically sets the PG (-) adjustment value based on the
PG (Typ) adjustment value.
ADJUSTMENT Adjustment by using adjustment program
[Judging Standard]
OK pattern NG pattern
- NO vertical lines in the block
pattern.
Figure 3-2. Bi-D Adjustment Pattern
Revision A
89