Epson DFX-8500 Service Manual page 177

5.1.3 Coil Resistance
The following table provides the coil resistance for the motor, head fan, plunger, and printhead.
Table 5-2. Motor, Fan, Plunger, and Printhead Coil Resistance
Part
CR motor
PF motor
RF motor
PG motor
Head fan
Plunger
Printhead
Rev. B
1.66 ohms + 10 %
2.80 ohms + 10 % at 25
150 ohms + 10 % at 25
250 ohms + 18 ohms at 25
61 ohms + 4.3 ohms at 25
9 ohms + 5 % at 25
2.93 ohms + 0.2 ohms at 25
Figure 5-3. Disconnect Printhead FPC
Coil Resistance
o
C
o
C
o
C
o
C
o
C
o
C
TROUBLESHOOTING
5-3