Service manual

SM i M375/M376/M386/M389
PAPER FEED UNIT
TK1090/TK1100/TK1120/TK1130
(M375/M376/M386/M389)
TABLE OF CONTENTS
1. REPLACEMENT AND ADJUSTMENT ........................................... 1
1.1EXTERNAL COVERS .................................................................................... 1
1.1.1 CASTER COVERS (M376/M389 ONLY) .............................................. 1
1.1.2 LEFT COVER ....................................................................................... 2
1.2PAPER FEED ................................................................................................ 3
1.2.1 PAPER FEED ROLLER ........................................................................ 3
1.2.2 REMAINING PAPER SENSORS .......................................................... 3
1.2.3 PAPER END SENSOR ......................................................................... 4
1.2.4 VERTICAL TRANSPORT SENSOR ..................................................... 4
1.3ELECTRICAL COMPONENTS ...................................................................... 5
1.3.1 DRIVE BOARD ..................................................................................... 5
1.3.2 PAPER FEED CLUTCH ........................................................................ 5
1.3.3 PAPER FEED MOTOR ......................................................................... 6
1.3.4 PAPER TRAY SET SWITCH ................................................................ 7
1.3.5 PAPER SIZE SENSORS ...................................................................... 8