Epson R200 - Stylus Photo Color Inkjet Printer, Service Manual

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EPSON Stylus Photo R200/R210 Revision A
ADJUSTMENT Adjustment Items and Overview 74
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Top margin This adjustment is made to correct the margin from the top edge
of the paper. 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. Exclusive
servicing
program Plain paper
(A4)
First Dot
Adjustment This adjustment is made to correct the First Dot Position in the
CR main scanning direction. 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. Exclusive
servicing
program Plain paper
(A4)
Offset Input for
CR Motor
Calorific
Limitation When the Main Board, CR Motor or PSB/PSE Board is changed
individually, this adjustment is made to write the maximum
offset to prevent the occurrence of damage to the motor at the
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.
Select and execute this function in the exclusive servicing program to
save the offset into the EEPROM. Exclusive
servicing
program Non-target
Table 3-2. Maintenance Functions
Function Item Purpose Adjustment Outline Tool Used Media
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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. Select this function in the exclusive servicing program, and execute
CL 3. Exclusive
servicing
program Non-target
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. Select this function in the exclusive servicing program, and execute
the ink sucking operation equivalent to the Initial Charge. Exclusive
servicing
program Non-target
Table 3-1. Adjustment Items
Function Item Purpose Method Outline Tool Used Media