Home position detection failure (Error code: 100016)

Cause
  • Regarding CISM of FB, the LED is not lighting.
  • Unable to read FB CISM.
  • Home position pattern on FB side not found within range.
Situation
  • When power turns on
  • When the scanner goes into low power mode.
  • When switching between flatbed mode and ADF mode.
Suspected cause
  • Scanner (CISM) failure
  • SCN Board connection harness failure
  • SCN Board failure
  • Incorrect installation of the scanner in the printer
Troubleshooting
Step Check and measure Yes No
1

Check connection of cables
Check the cable connection between the CISM and SCN boards and turn the power ON. Does work properly?

End of work

Go to step 2
2

Replace the following parts and turn on the power. Does work properly?

ADF/SCN Unit

*Since the CISM and SCN boards cannot be replaced, the ADF/SCN unit will need to be replaced instead.

 End of work (If the trouble is not resolved, contact EPSON local service representatives.)