Epson EPL-N1600 Service Manual page 77

EPSON EPL-N1600
Step Actions and Questions
13 SENSOR ASSEMBLY-SIZE 1
1. Reconnect J24 to CN224 of the
C258MAIN.
2. Check the voltages between:
CN231-A10 <=> FG
CN231-A11 <=> FG
CN231-B11 <=> FG
Is there +5VDC between CN231 and
FG?
1. Check the voltage between P/J222-3
and P/J222-1
Is there +24VDC between P/J222-1 and
P/J222-3?
14 SENSOR ASSEMBLY
TEMPERATURE
1. Reconnect J28 to CN228 of the
C258MAIN.
1. Check the voltages between:
CN231-A10 and FG
CN231-A11 and FG
CN231-B11 and FG
Is there +5VDC between CN231 and
FG?
1. Check the voltage between P/J222-3
and P/J222-1
Is there +24VDC between P/J222-1 and
P/J222-3?
Rev. A
Yes No
Go to step 14. Replace the
Sensor
Assembly- Size
1.
Go to step 15. Replace the
Sensor
Assembly
Temperature.
Step Actions and Questions
15 SENSOR PHOTO AND SENSOR
ASSEMBLY PHOTO EXIT
1. Reconnect J26 to CN226 of the
C258MAIN.
2. Check the voltages between:
CN231-A10 and FG
CN231-A11 and FG
CN231-B11 and FG
Is there +5VDC between CN231 and
FG?
1. Check the voltage between P/J222-3
and P/J222-1.
Is there +24VDC between P/J222-1 and
P/J222-3?
Chapter 3 Troubleshooting
Yes No
Check for other Replace the
wirings. Sensor Photo
or the Sensor
Assembly
Photo Exit.
79