# Head Grounding Resistance Check

#Required Tools

Ohmmeter

#Estimate Time

Approx. 1 min.

#Startup Mode

---

#Standard Values

100 Ω or less

#Step

1. Ensure the following parts are removed.
   • Full Side Cover Unit
2. Release the CR Lock manually.
3. Move the CR Unit to the Full side.
4. Let one terminal of the tester (A) touch the frame of the main unit.

   
   

   Caution / 注意

   Make sure to perform when the printer is turned OFF. Also, make sure to unplug the AC Inlet. Take care not to press the tester terminal against the head too hard.

5. Let the other terminal of the tester (A) touch the head hedge (B).
   
6. Measure the resistance value.
7. Check that the value is within the standard range.
8. If the value is out of the standard range, remove and reinstall the Print Head, and then measure the resistance value again.