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 connecting harness failure
  • SCN Board failure
  • Mounting defect to the scanner printer
Troubleshooting
Procedure Check and measure Yes No
1

Check the connection state of the 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 one by one that may be the cause, then turn the power on. Does work properly?
  1. CIS Unit
  2. SCN Board
  3. SCN Unit

*Causes listed in order of most likely cause

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