Fip-2.19 Ros Assy Is Defective - Epson ColorPage EPL-C8200 Service Manual

EPSON ColorPage EPL-C8200

FIP-2.19 ROS ASSY is Defective

Step Check point
Perform the preliminary inspection.
Parts to inspect:
1 ROS ASSY, MAIN HARNESS ASSY, EXIT HARNESS,
TOP EXIT SENSOR, FRONT COVER SWITCH R, MAIN
HARNESS, MCU PWB
Check: Power supply to the SOS SENSOR

2 Is the voltage level correct at the pins below?
- P14-1PIN<=>P14-3PIN: 5VDC
Check: Power supply to the SOS detection signal

3 Is the voltage level correct at the pins below?
- P14-2PIN<=>P14-3PIN: 5VDC
Check: Rotation of the Scanner Motor

4
Does the Scanner Motor rotate when the printer is
turned on? (Check that the motor is making a sound.)
Check: Power supply to the Scanner Motor

5 Is the voltage level correct at the pins below?
- P14-10PIN<=>P14-11PIN: 24VDC
Check: Scanner Motor ON signal

Does the voltage level changes correctly when the
scanner motor is turned on?
6
- P14-12PIN<=>P14-13PIN
- Changes from 24VDC to 0VDC
Check: Power supply to the LDD

Is the voltage level correct at the pins below?
7
- P33-1PIN<=>P33-2PIN: 5VDC
Check: LDD electrical continuity

Does the LDD have proper continuity at the pins below?
8
- J33-1PIN<=> J33-2PIN
(To be continued.)
Chapter 5 Troubleshooting
Yes
Replace/reinstall the defective part(s).
Go to Step 3.
Go to Step 4.
Go to Step 7.
Go to Step 6.
Go to Step 7.
Go to Step 8.
Go to Step 15.
Remedy
No
Go to Step 2.
Go to FIP-2.1 "LVPS 5VDC is
Defective".
Replace the MCU PWB.
Go to Step 5.
Go to FIP-2.2 "LVPS 24VDC is
Defective"
Go to Step 15.
Replace the LVPS.
Go to Step 9.
Revision A
5-88