Epson 610 manual Carriage unit operates but the error is indicated, Lamp does not light up

EPSON Perfection 610 Revision B

Table 3-5. The carriage unit operates but the error is indicated.

Cause	Step	Checkpoints	Finding	Remedy
The CR home	1	Check the signal levels	---	Replace the CR
position sensor		between the collector (+)		home position
is defective.		and emitter (-) of PC1. The		sensor (PC1) on
		signal level should change		the main board.
		depending on the condition
		below:
		•HIGH (4.5V) = Light is
		blocked in PC1.
		•LOW (0.3V) = Light
		passes in PC1.

Table 3-6. The lamp does not light up.

Cause	Step	Checkpoints	Finding	Remedy
CN5 on the	1	Check that CN5 is	Yes	Connect CN5 on
main board is		disconnected.		the main board
disconnected.				properly.
CN1 or CN2 on	2	Check that CN1 or CN2 on	Yes	Connect CN1 or
the CCD sensor		the CCD sensor board is		CN2 on the CCD
board is		disconnected.		sensor board
disconnected.				properly.
The connector	3	Check that the connector is	No	Connect the
for the lamp is		properly connected to the		connector
not properly		inverter board.		properly.
connected to
the inverter
board.
The lamp is	4	After replacing the lamp,	Yes	Replace the
defective.		check that the lamp lights		lamp.
		up.
The inverter	5	After replacing the inverter	Yes	Replace the
board is		board, check that the lamp		inverter board.
defective.		lights up.
The main board	6	---	---	Replace the main
is defective.				board.

Table 3-7. Image is not read clearly.

Cause	Step	Checkpoints	Finding	Remedy
Any mirror in the	1	After cleaning the mirror(s),	No	Clean the
carriage unit or		check that image is read		surface of the
the surface of		clearly.		lamp.
the lamp is dirty.
The CCD	2	---	---	Replace the CCD
sensor board is				sensor board.
defective.
The main board	3	---	---	Replace the main
is defective.				board.

Table 3-8. USB Interface Error

Cause	Step	Checkpoints	Finding	Remedy
The host or O/S	1	On the Windows, access	No	Replace the host.
(Windows’98/		My Computer > Property >
NT) does not		Device Manager, and
support USB.		check that Universal Serial
		Bus Controller is effective.
The TWAIN	2	Check that the driver for	No	Instal the correct
driver attached		the scanner is installed		driver properly.
for the scanner		properly.
is not properly
installed.
The USB cable	3	After replacing the USB	No	Replace the USB
is defective.		cable, check that the error		cable.
		is not indicated.
The main board	4	---	---	Replace the main
is defective.				board.

Troubleshooting Troubleshooting 24