Epson STYLUS 3000 Service Manual

Troubleshooting
Rev. A
5-1
2
Condition Cause Checkpoint Solution
Symptom : CR does not operate normally.
CR motor does not rotate
normally.
Sub gate array IC16
is defective.
Check the waveform for the
signals HPASEA/B (Pin 7) output
from the IC19/20.
HPASE on the IC20 (Pin 7)
OUTA on the IC19 (Pin 10)
Waveform (9)
Replace the MAIN
board or IC16.
CPU is defective.

Replace the MAIN
board.
IC19 or IC20 is
defective.
Check the the  drive waveform
for the signals !"# (Pin 10/15)
output from the IC19/20.
(See the waveform (9))
Replace the IC19 or
IC20.
CR motor is
defective.
Check if the resistance of the
motor coil is as follows;
5Ω ± 7 % at 25°C per phase
(Refer to Table 5-1.)
Replace the CR motor.
Symptom : The printer feeds paper abnormally.
PF motor does not
operate normally.
Sub gate array IC6
is defective.
Check the waveform for one of
the following signals output from
the IC17:
PFA0/1 (Pin1/2)
PFB0/1 (Pin 23/24)
Pin 1 on the IC17
Pin 6 on the IC 17
Waveform (10)
Replace the MAIN
board.
CPU is defective.

Replace the MAIN
board.
IC17 is defective. Check the wavefoarms for one of
the following signals output from
the IC17:
PFA0/1 (Pin 2/1)
PFB0/1 (Pin 23/24)
(Refer to the waveform (10).)
Replace the MAIN
board.
PF motor is
defective.
Check if the resistance of the
motor coil is as follows;
10Ω ± 10 % at 25 °C
(Refer to Table 5-1.)
Replace the PF motor.
Table 5-7. Component Repair of the C211 MAIN Board (continued))

Epson STYLUS 3000 Specifications

General

Brand	Epson
Model	STYLUS 3000
Category	Printer
Language	English