Epson R220 - Stylus Photo Color Inkjet Printer, Service Manual

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EPSON Stylus Photo R220/R230 Revision A
ADJUSTMENT Adjustment by using adjustment program 88
3.2 Adjustment by using adjustment program
The procedures of the adjustment items will be explained here. The intended item is as
follows.
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Market Setting
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USB ID Input
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Head ID Input
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Head Angular Adjustment
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Bi-d Adjustment
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PW Sensor Adjustment
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First Dot Adjustment
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CR Motor Deviation Correction
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A4 Normal Paper Print
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A4 Photo Quality Inkjet Paper Print
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A4 Glossy Photo Paper Print
3.2.1 Market Setting
[Adjustment Procedure]
1. Select the Market Setting in the Adjustment Program.
2. Click the [OK] button to write the specific data into EEPROM.
3. Click the [Check] button to check market and model name.
3.2.2 USB ID Input
[Adjustment Procedure]
1. Select USB ID in the Adjustment Program.
2. Enter the 10-digits serial number from the label applied to the back side of the
Housing Frame.
3.2.3 Head ID Input
[Adjustment Procedure]
1. Select the Head ID of the Adjustment Program.
2. Enter the 15-digits code of the Head ID label applied to the Print Head. Enter the
Head ID from left to right on the top row and from top to bottom in due order.
3.2.4 Head Angular Adjustment
[Adjustment Procedure]
1. Select Head Angular Adjustment in the Adjustment Program.
2. Click the [Print] button to print Head Angular Adjustment Pattern.
3. Select the pattern value of the group of the most neatly aligned.
4. Click the [input] button and write the adjustment value.
(Note: The range of the adjustment value is -3 to 3.)
[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 pattern is NG level, confirm the installation condition of removed parts
during disassembly.
4. Perform Step2 again.
Figure 3-1. Head Angular Printing Pattern
OK pattern NG pattern
[Judging Standard]
- The upper and lower line should be neatly aligned.
[Reference: Standard value in manufactory]
- Standard: ± 50µm