Epson Stylus Color 670 Service Manual

EPSON Stylus COLOR 670 Revision A
Troubleshooting Unit Level Troubleshooting 55
3.2.1 Printer does not operate at power on
Flowchart 3-1.
3.2.2 Error is detected
Flowchart 3-2.
Start
AC voltage
= OK?
No
No
No
No
Yes
Yes
Yes
Yes
Yes
End
Use the correct AC
voltage.
Is fuse
F1 burned out?
Replace the fuse,
disconnect CN10 on
MAIN board, and
turn on power.
Did
the fuse burn
out again?
Check the output
voltage of CN2 on
the power supply.
Is the
output voltage
normal?
Replace the MAIN
board.
Check the motors,
printhead, and
other
components.
Replace the
power supply.
Start
Yes
Check the LCD
error message.
Is the
problem carriage
related?
Yes
No
No
No
No
No
Yes
Yes
Yes
End
End
Turn off the printer
and move the
carriage by hand.
Does it
move smoothly?
Refer to “Unit
Repair (Printer
Mechanism)”
Problem solved?
Does error still
occur?
Is it an ink
cartridge error?
Maintenance Error?
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.

Epson Stylus Color 670 Specifications

General

Brand	Epson
Model	Stylus Color 670
Category	Printer
Language	English