I-11 Faulty - Page 224

Confidential

9-36

I-11 Faulty 

registration 

Possible cause 

Step 

Check 

Result 

Remedy 

Excessive 
paper load 

1 

Is the paper loaded in the 
paper tray more than 27mm 
high? 

Yes 

Instruct the user to keep paper 
loads below 27mm in depth. 

2 

Is the specified weight of 
the recommended paper 
being used? 

No 

Recommend to use the specified 
types of paper. 

Print paper 

3 

Is the first printing position 
within ±1mm of the 
tolerance specification? 

Yes 

Adjust the Y offset by using the 
utility software supplied. 

Regist rear 
sensor 
position 
incorrect 

4 

Is the regist rear sensor off 
from the correct position? 

Yes 

Reposition the sensor to the 
correct position. 

Drum unit 
failure 

5 

Is the rotation torque of the 
drum unit heavy? 

Yes 

Replace the drum unit.