Stylus C40UX/C40SX/C20UX/C20SX

Revision A

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

Table 5-1 lists all the necessary adjustments for this printer. If any service listed in this table is carried out, all adjustments corresponding to that service item should be performed to ensure proper operation of the printer.

Table 5-1. Required Adjustment

Performance

1

2

3

4

5

6

7

Priority

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replacing parts/

EEPROM

Ink pad

Initial

Head

Top margin

Bi-D

USB

initial

Counter

Ink

ID

ID

Service item

Adjustment

Adjustment

setting

reset

Charge

Setting

Input

 

 

 

 

 

 

 

 

Replacing the

c

d

NA

e

f

g

h

Main Board

 

 

 

 

 

 

 

Removing the

NA

NA

NA

NA

NA

c

NA

Printhead unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replacing the

NA

NA

c

d

NA

e

NA

Printhead unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replacing the

NA

NA

NA

NA

NA

c

NA

CR motor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replacing the

 

 

c

d

e

f

 

Printer

NA

NA

NA

mechanism

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replacing the

 

c

NA

NA

NA

NA

NA

Waste drain ink

NA

pad

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: • “O”: Required Adjustment. The number in the circle shows the required adjustment order.

“NA”: Not applicable.

Following adjustments are not required on this product. -Platen Gap adjustment

-Head Angular adjustment.

When the Main board is replaced with new one, you may have to replace the following parts also in case the EEPROM parameter back up function is not available on the defective main board.

* Waste drain ink pad

* Both Black & Color Ink Cartridge

This section describes the detailed procedures of each adjustment by Adjustment Program.

In this printer, it is necessary to set the adjusting information for each printer mechanism in order to maintain consistent printing function and quality, eliminating differences of each printer mechanism’s characteristics. Therefore, in case that the combination of the printer mechanism and main board changes or the print head is replaced during the repair service, you must set and save the correct information to the MAIN board, using the exclusive adjustment program.

CHECK In case any parts is removed and assembled on the repair product POINT while running the Adjustment program, turn off the printer

certainly.

Adjustment

Overview

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Epson C40UX service manual Required Adjustment, Performance Priority