Oki IP-6620 Maintenance Manual page 269

5.5.30 System Error 2310: Home Position Sensor Error
<Description>
Could not detect the home position of the carriage.
<Faulty part>
(1) PHOTO INTERRUPTER (home position sensor)
(2) PCB-ASSY-HCB1M
(3) CABLE(HPOS)-ASSY(MW)
<Action>
Check the Items to be Checked on the table below, and perform the actions starting from the top
until the problem is solved.
No
1 Home position sensor condition
2 Harness condition
3 Home position sensor
4 PCB-ASSY-HCB1M
5-110
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
Items to be Checked
OKI Data Infotech Corporation CONFIDENTIAL
Check that the sensor is fixed securely, and visually inspect
that it is not damaged.
Then softly wipe the sensor's surface with a soft cloth or
lint-free paper dampened with ethanol.
Check that the harness condition is proper as follows.
- The connectors are connected securely.
- The cable is not disconnected.
- The harness is not pinched by other parts.
- The cable jacket is not damaged.
Replace the sensor.
Replace the PCB-ASSY-HCB1M.
Action