Epson Stylus Photo R340 Service Manual page 103

EPSON Stylus Photo R340/350
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 must be carried out after replacing the Print Head to full
fill the ink path inside the new Print Head with ink (make the
all nozzles ready for print) by ejecting the liquid preset in the
ASP Print Head.
Check/Reset Check the current protection counter and reset the counter
Protection Counter when it has reached or come close to the upper limit. The
Waste Ink Pad must be replaced when the counter is cleared.
EEPROM Data This function is used to read the above necessary
Copy 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.
Function Item
A4 Normal Paper This pattern is used to check whether adjustment results are
Print normal.
A4 Photo Quality This pattern is used to check whether adjustment results are
Ink Jet Paper Print normal.
A4 Photo Paper/ This pattern is used to check whether adjustment results are
Glossy Photo Paper normal.
Print
CD-R Print Check if the center position of CDR is correct.
Nozzle Check This pattern is used to check simply whether all nozzles
Pattern Print deliver ink or not.
Adjustment
Table 3-3. Maintenance Functions
Purpose
Select this function to perform a power cleaning.
Select this function to execute the ink sucking operation equivalent to the Initial
Charge.
Select this function to 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.
Select this function to read the data from the faulty board. After that, change the
Main Board and then write the read data to a new board.
Table 3-4. Check Pattern Printing
Purpose
Select this function to print the print patterns, and check the adjustment result in
each pattern.
Select this function to print the print patterns, and check the adjustment result in
each pattern.
Select this function to print the print patterns, and check the adjustment result in
each pattern.
Print the print patterns and check the patterns for any displacement.
Print the print patterns and check the patterns for any displacement.
Adjustment by using adjustment program
Adjustment Outline
Adjustment Outline
Revision A
Used Media
Non-target
Non-target
Non-target
Non-target
Used Media
Plain paper (A4)
Photo Quality Ink
Jet Paper (A4)
Glossy Photo
Paper (A4)
Dummy CD
Sheet
Plain paper (A4)
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