Epson Stylus PHOTO 2000P Service Manual page 65

EPSON Stylus PHOTO 2000P
Table 3-9. Remedies for Fatal Error (continued)
Step Problem Check & Actions
5 The printer is Check for the signal output from the PF encoder
turned on and the at either pair of the following pins on the main
carriage and the PF control board:
motor move a little.
• Pin 1 an Pin 4 of CN12
After that, a fatal
• Pin 1 and Pin 2 of CN12
error is displayed.
Check for the signal output from the linear
encoder at either pair of the following pins on the
main control board:
• Pin 1 an Pin 4 of CN12
• Pin 1 and Pin 2 of CN12
6 The printer is Measure the coil resistance of the CR motor using
turned on but the a meter as shown below:
CR motor does not
Resistance: 31.1
operate at all. After
that, a fatal error is
displayed.
TROUBLESHOOTING
Encoder Output Waveform
Ω ±
25%
CR Motor CR Motor
Table 3-9. Remedies for Fatal Error (continued)
Step Problem
7 The printer is
turned on but the
PF motor does not
operate at all. After
that, a fatal error is
displayed.
8 The printer is
turned on but the
ASF hopper does
not make noises.
After that, a fatal
error is displayed.
Overview
Revision A
Check & Actions
Measure the coil resistance of the PF motor using
a meter as shown below:
Ω ±
Resistance: 31.1 25%
PF Motor PF Motor
Measure the coil resistance of the ASF/Pump
motor.
Ω ±
Resistance: 10.4 10%
Step 1
To Pin 3
To Pin 1
To Pin 2
CR Motor CR Motor
To Pin 4
NOTE: Be sure to measure the resistance at
each pair of points shown above.
Step 2
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