Epson Stylus COLOR 760 Service Manual page 64

EPSON Stylus COLOR 760
Table 3-10. Remedies for Fatal Error (continued)
Step Detail Phenomenon
• Check for the correct waveform at 5 pins of FFC.
5 When the Printer is
The PF Motor Encorder Sensor FFC is connected
turned on, the CR
to CN12 on the C298 Main Board. Check that both
move a little and the
connectors Pin 1 & 4 or Pin 1& 2 .
PF motor also moves
little.
After that, the Panel
LED indicates the
Fatal Error.
• Check for the correct waveform at 21pins of head
FFC. The Head FFC is connected to CN8 on the
C298 Main Board. Check that both connectors Pin
2 & GND or Pin 4& GND.
6 When the Printer is Since the CR motor is DC motor, measure the coil
turned on, the CR resistance using the tester as following figure
motor dose not move <Resistance: 31.1
at all. (PF motor
moves.)
After that, the Panel
LED indicates the
Fatal Error
Troubleshooting
Check & Actions
25%>
CR Motor
Overview
Table 3-10. Remedies for Fatal Error (continued)
Step Detail Phenomenon
7 When the Printer is Since the PF motor is DC motor, measure the coil
turned on, the PF resistance using the tester as following figure
motor dose not <Resistance: 31.1
move.
After that, the Panel
LED indicates the
Fatal Error.
• Make sure if Gear 27.2 is assembled to the left
8 When the Printer is
edge of the ASF LD shaft as following figures
turned on,
• it dose not sound
the hopper
moving.
• it sounds as if the
gear tooth strike
noisy and the ASF
Hopper dose not
move.
After that, the Fatal
Error is indicated on
the Panel LED.
Revision C
Check & Actions
25%>
PF Motor
Gear 27.2
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