EPSON Stylus PHOTO 810/820/830

Revision B

5.1 Overview

This section describes the procedure for adjustments required when the printer is disassembled and assembled for repair or service.

5.1.1 Required Adjustment

If you remove or replace the specific part in your service/repair, you have to perform the appropriate adjustment as listed Table 5-1 below.

In this printer, it is necessary to perform appropriate adjustment in order to maintain consistent printing function and quality, eliminate differences of each printer mechanism’s characteristics.Therefore, in case that the combination between the printer mechanism and the main board changes or the Printhead is replaced during the repair service, you must input the correct adjustment value into the EEPROM on the Main board by using the Adjustment program.

CH E In case that any parts are removed and assembled on the repair

P O I product while running the Adjustment program, make sure to turn off the printer.

Table 5-1. Required Adjustment

Performance Priority

 

1

2

3

4

5

6

7

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Adjustment

EEPROM initial

Ink pad replacement or

Initial ink

Head ID input

Bi-D adjustment

USB ID input

Top margin

1st dot

Replaced part

item

setting

ink Counter reset

charge

adjustment

adjustment

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Main board replacement

 

1

2

NA

3

4

5

6

 

7

 

Printhead removal

 

NA

NA

NA

NA

1

NA

2

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Printhead replacement

 

NA

NA

1

2

3

NA

 

4

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CR motor replacement

 

NA

NA

NA

NA

1

NA

 

NA

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CR unit removal/replacement

 

NA

NA

NA

NA

1

NA

 

2

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Printer mechanism replacement

 

NA

1

2

3

4

NA

5

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Waste drain ink pad replacement

 

NA

1

NA

NA

NA

NA

 

NA

 

NA

ASF unit removal/replacement

 

NA

NA

NA

NA

NA

NA

1

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Holder shaft unit removal/replacement

NA

NA

NA

NA

NA

NA

1

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: “ ”: Required necessary adjustment

NOTE: • When the Main board is replaced with new one, you may have to

“ ”: Required Adjustment for confirmation

replace waste drain ink pad also in case the EEPROM parameter

The numbers in the circle/square shows the required adjustment order.

back up function is not available on the defective main board.

“NA”: Not applicable.

• After completing the adjustment, check the printing result with A4

• Following adjustments are not required on this product.

check pattern by using the Adjustment program.

-Platen Gap adjustment

If the result is not good, perform appropriate adjustment.

-Head Angular adjustment.

 

Adjustment

Overview

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