Epson STYLUS COLOR 3000 Service Manual page 142

Table 5-6. Component Repair of the C203 Main Board (continued)
Condition
Symptom: The printer feeds paper abnormally.
PF motor does not
operate normally.
EPSON Stylus Color 3000 Service Manual
Cause
Sub gate array IC6 Check the waveform for one of
is defective. the following signals output from
IC17:
Pin 1 on the IC17
Pin 6 on the IC 17
CPU is defective.
IC17 is defective. Check the waveforms for one of
the following signals output from
IC17:
(Refer to the waveform 10.)
PF motor is Check if the resistance of the
defective. motor coil is as follows;
Checkpoint
PFA0/1 (Pin1/2)
PFB0/1 (Pin 23/24)
Waveform 10

PFA0/1 (Pin 2/1)
PFB0/1 (Pin 23/24)
10Ω ± 10 % at 25 °C
(Refer to Table 5-1.)
EPSON Stylus COLOR 3000
Solution
Replace the main
board.
Replace the main
board.
Replace the main
board.
Replace the PF motor.
5-13