Error Is Detected; Failure Occurs During Printing - Epson Stylus Photo 720 Service Manual

EPSON Stylus Photo 720 / EPSON Stylus Photo EX3

3.2.2 Error is detected

Start
Check the LCD error
message.
Yes
    
Turn off the printer
          
and move the carriage
     
by hand.
No
Yes
Replace the ink
         # 
cartridge.
          
No
Yes
$         %     
            
Replace the waste ink
pad and reset the
EEPROM.
Check the ink cartridge
sensor and replace the
printhead if necessary.
Flowchart 3-1.
Troubleshooting
   
          ! 
Yes
Replace MAIN
board if the CR
motor operates
properly.
     
No
Yes
"     
    
No
Refer to "Unit
Repair (Printer
Mechanism)"
End
End

3.2.3 Failure occurs during printing

Start
Print a self test.
      
    ! 
Yes
Yes
 
No
     &     ! 
     
No
Perform cleaning.
"     
    
Yes
End
Unit Level Troubleshooting
No
$
 '
         
Perform
   
adjustment.
No
Connect them.
No
"     
Replace the ink
    
cartridge and print
self test.
Yes
Yes
"     
    
No
Refer to "Unit Repair
Replace the MAIN
(Printer Mechanism)".
board.
No
Yes
"     
    
End
Flowchart 3-1.
Revision A
Yes
No
Refer to "Unit Repair
(Printer Mechanism)".
No
"     
    
Yes
End
55