Epson C117001-N Service Manual - Page 140

Table 5-2. Motor, Fan, Plunger, and, Coil Resistances, Resistance - dfx troubleshooting

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DFX-5000+ Service Manual Troubleshooting 5.1.3 Coil Resistance The following table provides the coil resistances for the motor, head fan, plunger, and pnnthead. Table 5-2. Motor, Fan, Plunger, and Printhead Coil Resistances Part Coil Resistance CR motor PF motor RF motor PG motor Head fan 6.2 ohms f 0.45 ohms at 25°C (77"F) 2.85 ohms f 0.3 ohms at 25°C (77°F) I ! 150 ohms *10 ohms at 25°C (77°F) 1 I 250 ohms *18 ohms at 25°C (770F) I I ] 61 ohms f4.30hmsat25°C (77°F) I Plunger I 90hms*0.450hmsat25°c (77oF) I Printhead 8.1 ohms f 0.8 ohms at 25°C (77°F) I FPC1 I FPC1 I Q- NC T1 T 2 A c B # l c1 C2 #8 C3 C4 C5 C6 #9 #5 Q n Fan motor Driver Head Machaniam and aanaor Haad Note: #1-#9 Head coil Cl, C2 Common - (#2, #4, #6) C3 - C6 Common - (#1, #3, #5, #7, #8, #9) T Thermistor NC Not connection Figure 5-3. Printhead Coil Resistance Rev. A 5-3

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DFX-5000+
Service
Manual
Troubleshooting
5.1.3 Coil Resistance
The following table provides the coil resistances for the motor, head fan, plunger, and pnnthead.
Table 5-2. Motor, Fan, Plunger, and
Printhead
Coil Resistances
Part
Coil Resistance
CR motor
6.2 ohms
f
0.45 ohms at
25°C
(77”F)
PF motor
2.85 ohms
f
0.3 ohms at
25°C
(77°F)
I
!
RF motor
150 ohms
*10
ohms at
25°C
(77°F)
1
I
PG motor
250 ohms
*18
ohms at
25°C
(770F)
I
I
Head fan
]
61 ohms
f4.30hmsat25°C
(77°F)
I
Plunger
I
90hms*0.450hmsat25°c
(77oF)
I
Printhead
8.1 ohms
f
0.8
ohms at
25°C
(77°F)
I
FPC1
I
FPC1
I
Q-
NC
T1
T2
A
c
B
#l
c1
C2
#8
C3
C4
C5
C6
#9 #5
Fan motor Driver
Head
Q
n
Machaniam
and
aanaor
Haad
Note: #1-#9
Head coil
Cl,
C2
Common - (#2, #4, #6)
C3 -
C6
Common - (#1, #3, #5, #7, #8, #9)
T
Thermistor
NC
Not
connection
Figure 5-3.
Printhead
Coil
Resistance
Rev.
A
5-3