J007/J010/J011  26  Repair Center Manual 
Replacement Procedure: 
1.  Replace the paper feed clutch in Tray 1. 
2.  Replace friction pad. 
3.  Replace paper cassette unit. 
Paper transport jam – Printer tray (Tray 1) 
Description: After the trailing edge sensor detected the trailing edge of the paper fed from 
the printer paper tray, the paper stopped at the trailing edge sensor. 
Probable Cause: One or more of the following: 
 Double feed 
  Dirt, other foreign matter detected on transport belt 
  The signal of the trailing edge sensor did not change 
  The feeler of the trailing edge sensor did not return to its home position properly 
Location: Transport unit, or trailing edge sensor 
Service Center Procedure: 
1.  Confirm that rear paper guide is set correctly. 
2.  Remove paper cassette Tray 1 and confirm that there is no paper in the printer 
3.  Confirm that the paper is not curled. 
4.  Confirm that the type of paper can be used with the printer. 
Replacement Procedure: 
1.  Replace inverter guide. 
2.  Replace trailing edge sensor. 
3.  Replace control board. 
Printer paper tray 
Description: After paper was fed from the printer paper tray (Tray 1), the trailing edge 
sensor detected the trailing edge and switched ON but the registration sensors failed to 
detect the paper. 
Probable Cause: Registration sensor signals did not change. 
Location: 1st, 2nd registrations sensors 
Service Center Procedure: 
1.  Confirm that rear paper guide is set correctly. 
Replacement Procedure: 
1.  Replace inverter guide. 
2.  Replace trailing edge sensor. 
3.  Replace control board.