Epson R200 - Stylus Photo Color Inkjet Printer Service Manual page 74

EPSON Stylus Photo R200/R210
Function Item
Top margin This adjustment is made to correct the margin from the top edge
of the paper.
First Dot This adjustment is made to correct the First Dot Position in the
Adjustment CR main scanning direction.
Offset Input for When the Main Board, CR Motor or PSB/PSE Board is changed
CR Motor individually, this adjustment is made to write the maximum
Calorific offset to prevent the occurrence of damage to the motor at the
Limitation time of CR Motor heat generation.
However, when the CR Guide Shaft is changed together with
the above part, this adjustment is made to measure the
manufacturing variations of the CR Motor and PSB/PSE Board,
utilize the motor capability to the maximum for motor heat
generation control, and prevent the motor from being damaged
by CR Motor heat generation.
Function Item
Head Cleaning This function is used to execute Cleaning efficiently when ink is
not delivered from the Head properly, e.g. dot missing or
skewed injection. This function is used together with the Nozzle
Check Pattern to confirm the Cleaning effects.
Ink Charge This function is used to drain the Shipping Liquid in the ASP
Print Head flow path and simultaneously fill ink in the head
flow path to make all nozzles printable and stabilize the ink in
the Print Head.
ADJUSTMENT
Table 3-1. Adjustment Items
Purpose
Select and execute this function in the exclusive servicing program.
Enter the correction value in the program using the rule position of the
print pattern as a reference. The correction value is saved to the
specific EEPROM address on the Main Board.
Select and execute this function in the exclusive servicing program.
Enter the correction value in the program using the rule position of the
print pattern as a reference. The correction value is saved to the
specific EEPROM address on the Main Board.
Select and execute this function in the exclusive servicing program to
save the offset into the EEPROM.
Table 3-2. Maintenance Functions
Purpose
Select this function in the exclusive servicing program, and execute
CL 3.
Select this function in the exclusive servicing program, and execute
the ink sucking operation equivalent to the Initial Charge.
Adjustment Items and Overview
Method Outline
Adjustment Outline
Revision A
Tool Used Media
Exclusive Plain paper
servicing (A4)
program
Exclusive Plain paper
servicing (A4)
program
Exclusive Non-target
servicing
program
Tool Used Media
Exclusive Non-target
servicing
program
Exclusive Non-target
servicing
program
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