Fip-1.29 Environment Sensor Related Error - Epson ColorPage EPL-C8000 Service Manual

EPSON EPL-C8000

FIP-1.29 ENVIRONMENT SENSOR Related Error

Step Check point
Perform the preliminary inspection.
Parts to inspect:
1
ENVIRONMENT SENSOR, P/H HARNESS ASSY,
MCU PWB
Check: ENVIRONMENT SENSOR
l
Is the ENVIRONMENT SENSOR properly functioning?
2 (Check it by using the diagnostic tool.)
Diag Tool: Analog Input Test
Device Code: 04
Check: ENVIRONMENT SENSOR resistance
l
Does the thermistor have proper resistance at the pins
below?
3
- J105-1PIN<=>J105-2PIN: 5 k
NOTE: Measure the resistance at the room temperature
18 to 20 C.
Check: P/H HARNESS ASSY electrical continuity
l
Does the P/H HARNESS ASSY have proper continuity
4
at the pins below?
- J71<=>J105
Chapter 5 TROUBLESHOOTING
Remedy
Yes
Replace the defective part.
Replace the MCU PWB.
Go to Step 4.
Replace the MCU PWB.
No
• With the diagnostic tool, go to step 2.
• Without the diagnostic tool, go to
step 3.
Go to Step 3.
Replace the ENVIRONMENT
SENSOR.
Replace the P/H HARNESS ASSY.
Rev. B
5-45