Epson Stylus Photo 720, Service Manual

Page: 55 / 154

EPSON Stylus Photo 720 / EPSON Stylus Photo EX3 Revision A
Troubleshooting Unit Level Troubleshooting 55
3.2.2 Error is detected
Flowchart 3-1.
3.2.3 Failure occurs during printing
Flowchart 3-1.
Start
Yes
Check the LCD error
message.
Yes
No
No
No
No
No
Yes
Yes
Yes
End
End
Turn off the printer
and move the carriage
by hand.
!
Refer to “Unit
Repair (Printer
Mechanism)”
"
#
$%
Replace the waste ink
pad and reset the
EEPROM.
Check the ink cartridge
sensor and replace the
printhead if necessary.
Replace the ink
cartridge.
Replace MAIN
board if the CR
motor operates
properly.
Start
Yes
Print a self test.
!
No
&!
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
End
End
End
Perform
adjustment.
Perform cleaning.
$'
Connect them.
"
Refer to “Unit Repair
(Printer Mechanism)”.
"
Replace the MAIN
board.
"
"
"
Replace the ink
cartridge and print
self test.
Refer to “Unit Repair
(Printer Mechanism)”.