Epson Stylus C67 Service Manual

EPSON Stylus C67/C68/D68 Revision A
ADJUSTMENT Adjustment Items and Overview 78
Main adjustment items
USB ID
input
This adjustment is made to allow the PC to recognize the
connected printers individually when multiple printers of the
same model are connected and used with the PC via a USB hub.
Select this function in the exclusive servicing program and enter the serial
numbers of the printers. The correction value is saved to the specific
EEPROM address on the Main board.
Exclusive servicing
program
Non-target
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)
Top Margin
adjustment
This adjustment is made to correct the printout position in
the
paper feeding 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)
Table 5-2. Maintenance Functions
Function Item Purpose Adjustment Outline Tool
Used
Media
Maintenance items
Head
Cleaning
This function is used to execute CL 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 CL 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 head
flow path and simultaneously fill ink in the head flow path to make
all nozzles printable and stabilize the ink in the 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
Waste ink
pad counter
This function is used after repair to read the Waste ink counter, and
if the value is close to the predetermined near-end value or end
value, to recommend Pad replacement to the user in order to prevent
the repaired printer from being returned again for repair in a short
time. The reset function is used to reset the Waste ink counter from
the exclusive program after Waste ink pad replacement.
Select this function in the exclusive servicing program, read/display
the current data from the specific EEPROM address on the Main
board, and check whether the current counter value is close to the
upper limit or not.
For the reset function, select this function in the exclusive servicing
program after Waste ink pad replacement, and reset the corresponding
data at the specific address in the EEPROM on the Main board.
Exclusive servicing
program
Non-target
EEPROM
data copy
This function is used to read the above necessary information from
the EEPROM of the faulty Main board using the D4 function to
reduce the auxiliary adjustment items at the time of Board
replacement.
Select this function in the exclusive servicing program, and read the
data from the faulty board. After that, change the Main board and then
write the read data to a new board.
Exclusive servicing
program
Non-target
Others
Save all
EEPROM
data
This function is used to analyze defective products. Save the data of all EEPROM addresses. Exclusive servicing
program
Non-target
Table 5-1. Servicing Adjustment Items
Function Item Purpose Method Outline Tool
Used
Media

Epson Stylus C67 Specifications

General

Brand	Epson
Model	Stylus C67
Category	Printer
Language	English