Epson Stylus Photo R220 - PW Sensor Adjustment; First Dot Adjustment

EPSON Stylus Photo R220/R230 Revision A
ADJUSTMENT Adjustment by using adjustment program 90
3.2.6 PW Sensor Adjustment
[Adjustment Procedure]
1. Select PW Sensor Adjustment in the Adjustment Program.
2. Click the [Print] button to print PW Sensor Adjustment Pattern.
3. Select the number of the pattern 5mm away from each edge.
4. Click the [Input] button to write the adjustment value.
[Treatment procedure for NG product]
1. Replace the PW sensor 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.
Figure 3-3. PW Sensor Adjustment Pattern
3.2.7 First Dot Adjustment
[Adjustment Procedure]
1. Select First Dot Adjustment in the Adjustment Program.
2. Click the [Print] button to print First Dot Adjustment Pattern.
3. The printed line shows the current left and right margin. Input a positive or
negative integer to extend or reduce the margin. The increment per integer is
0.0176 mm.
4. Click the [input] button to write the adjustment value.
[Treatment procedure for NG product]
1. Replace the repaired (replaced) part with new one.
2. Print the check pattern, and check the adjustment result.
3. If the result is NG level, confirm the installation condition of removed parts during
disassembly.
Figure 3-4. First Dot Adjustment
[Judging Standard]
- Top / Bottom: 3.7 to 6.0mm
- Right / Left : 4.0 to 5.5mm
[Judging Standard]
- Standard: 3 ± 1.0mm away from left edge.