Epson DFX-8500 service manual Start

DFX-8500

6. Data sent by the host computer is printed incorrectly.

Note : The flowchart below assumes the host computer is operating normally.

START
Run the self-test.
Is the self-test
printed correctly?		No
	Yes
		Troubleshoot printer using the
		previous flowcharts.

Which I/F are	Built-in Parallel
you using?
Serial or
Optional		Check the cable connection
		from the host computer.
Are the DIP
switches set correctly?	No
(See Tables 1-16,1-21,
1-22,and 1-23.)
	Set switches
	correctly.	Is
Yes		your parallel cable is a
	No	shielded, twisted-pair cable
	END	less than 2 m, and does it
		work with another
If you
		printer?
are using a	No
serial I/F, is your		Yes
cable a null modem
cable?		Replace C204 MAIN board.
Yes	Replace cable.
Replace C204 MAIN board.		END
	END
END
Not using serial.

If you are

using a Type B

optional I/F for a network, is

the network configured

correctly?

Yes

Replace Type B interface.

No

Reconfigure network.

END

END

5-12 Rev. B