Epson Stylus Photo R220 - Page 84

EPSON Stylus Photo R220/R230 Revision A
ADJUSTMENT Adjustment Items and Overview 84
Table 3-3. Maintenance Functions
Function Item Purpose Adjustment Outline Tool Used Media
Maintenance items
Protection 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, replace the Main Board and then
write the read data to a new board.
Exclusive
servicing
program
Non-target
Table 3-4. Check Pattern Printing
Function Item Purpose Adjustment Outline Tool Used Media
Check pattern items
A4 Normal Paper
Print
This pattern is used to check whether all adjustment results are
normal.
Select this function in the exclusive servicing program, print the print
patterns, and check the adjustment result in each pattern.
Exclusive
servicing
program
Plain paper
(A4)
A4 Photo Quality
Ink Jet Paper Print
This pattern is used to check whether all adjustment results are
normal.
Select this function in the exclusive servicing program, print the print
patterns, and check the adjustment result in each pattern.
Exclusive
servicing
program
Photo
Quality Ink
Jet Paper
(A4)
A4 Photo Paper/
Glossy Photo Paper
Print
This pattern is used to check whether all adjustment results are
normal.
Select this function in the exclusive servicing program, print the print
patterns, and check the adjustment result in each pattern.
Exclusive
servicing
program
Glossy Photo
Paper (A4)
CD-R Print Check if the center position of CDR is correct. This pattern is used to make a simple print check at the EPSON service
company.
Exclusive
servicing
program
Sheet, CD,
Dummy
Nozzle Check
Pattern Print
This pattern is used to check simply whether all nozzles deliver
ink or not.
This pattern is used to make a simple print check at the EPSON service
company.
Exclusive
servicing
program
Plain paper
(A4)