MX-FN15, MX-FN16. Service Manual - Sharp Copying Equipment Service Manual (repair manual). Page 5

I.

BASIC OPERATION .................... 3-1

A. Outline ...................................... 3-1
B. Electrical Circuitry .................... 3-2
C. Inputs to and Outputs from the

Saddle Stitch Controller PCB ... 3-3

II.

FEEDING/DRIVE SYSTEM ......... 3-8

A. Outline ...................................... 3-8

III. PAPER OUTPUT

MECHANISM............................. 3-14

A. Outline .................................... 3-14
B. Controlling the Inlet

Flappers ................................. 3-17

C. Controlling the Movement of

Sheets .................................... 3-21

D. Aligning the Sheets ................ 3-23
E. Controlling the Phase of the

Crescent Roller ...................... 3-26

IV. STITCHING SYSTEM ............... 3-28

V.

FOLDING/DELIVERY
SYSTEM .................................... 3-31

VI. CHECKING FOR A JAM ........... 3-38
VII. POWER SUPPLY ...................... 3-43

I.

BASIC OPERATION .................... 4-1

A. Outline ...................................... 4-1
B. Inputs to and Outputs from

Punch Driver PCB .................... 4-2

II.

PUNCH OPERATION .................. 4-5

A. Outline ...................................... 4-5
B. PUNCH OPERATION ............... 4-7
C. Horizontal Registration

Operation ............................... 4-11

III. POWER SUPPLY SYSTEM....... 4-14

I.

FINISHER UNIT .......................... 5-1

A. Externals and Controls ............. 5-1
B. FEEDING SYSTEM ................. 5-9
C. PCBs ...................................... 5-15

II.

SADDLE STITCH UNIT ............. 5-16

A. Externals and Controls ........... 5-16
B. SADDLE UNIT ....................... 5-19
C. PCBs ...................................... 5-29
D. Accessory .............................. 5-30

III. PUNCHER UNIT (OPTION) ...... 5-31

A. Externals and Controls ........... 5-31
B. Puncher Driver System .......... 5-32
C. PCBs ...................................... 5-43