Epson STYLUS COLOR 480, Руководство по обслуживанию

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EPSON Stylus COLOR 480 Revision B
Troubleshooting Unit Level Troubleshooting 62
Table 3-19. General Error indication on the STM3
General Error indication on the STM3
Step
No.
Detail phenomenon Check point Remedy
4
When the printer is
turned on, it sounds
strange noise and the
CR unit is stopped
around the CR lock
lever.
1. Check if the Top
housing is secured with
the fixing screw at the
front side.
2. Check if the Change
lever is placed to the
printer front side.
3. Check if the PF motor
is operated. Check the
CN3 connector and the
coil resistance for PF
motor.
4. If the CR lock lever is
not released even if the
PF motor rotate in the
power on sequence,
check if one of the
gears has any damage
in the PF motor torque
transportation path.
Refer to Figure 2-14.
1. Secure the Housing
fixing screw at the printer
front side.
2. Turn back the Change
lever to the printer back
side with the tweezer or
small screw driver.
3. Connect the PF motor
cable to CN3 on the
Main board.
Replace the PF motor
with new one.
4. Change the damaged
gear with new one.
5. If the problem is not
solved, replace the Main
board with new one.
Top housing
Change lever
Table 3-20. Communication error on the STM3
Communication Error on the STM3
Step
No.
Detail phenomenon Check point Remedy
1
When the printer is
turned on, printer dose
not operate at all.
1. Check if neither CR
motor nor PF motor
work at all when the
printer is turned on.
1. Replace the PS board
with new one.
2. If the problem is not
solved, replace the main
board with new one.
2
When the printer is
turned on, power on
sequence is operated
correctly. But, when
any print job is sent to
printer,
communication error is
indicated on the
monitor.
1. Check if the Parallel
I/F cable supports the
bi-directional
transportation.
2. Check if the PC
support bi-directional
communication.
3. Check if SC480
printer driver is used
for the print job.
4. Check if the incorrect
model name is stored
in the 02<H> address
of the EEPROM in the
Main board.
5. Check if scan monitor
is installed in the PC
and it is active.
1. Replace the Parallel I/C
cable with the suitable
one.
2. Change the setting of
Bi-d communication in
the BIOS of the PC.
3. Install the SC480 printer
driver in the PC.
4. Write down 01<H> data
into the 02<H> address
of the EEPOM by using
the Dump.exe program.
5. Close the scan monitor
in the Windows task bar
or overwrite the latest
ESCPCSCAN.DLL.
6. If the problem is not
solved, replace the main
board with new one.