MX-FN30, MX-FN31. Service Manual (Revised February 2017). - Sharp Copying Equipment Service Manual (repair manual). Page 93

MX-FN30/FN31  Technical Explanation 3K Finisher  6 – 37

FSEB_N

Saddle paper exit sensor 
time-out JAM

Saddle exit sensor is not turned on even after a lapse of 2,000msec since the start of pushing.

FSEB_S

Saddle paper exit sensor 
remaining JAM

Saddle exit sensor is not turned off when a paper is transported by the "paper length divided by 2 plus margin 
(100mm)” after the saddle entrance sensor is turned ON.

FSMS

Saddle staple JAM

Home position sensor is not turned on even after a lapse of 120msec since the start of the clinch operation, and then 
if the saddle staple returns the home position within 1200msec  when rotating the motor backward.

FSMSR

Edge stopper motor JAM

First detection of edge stopper motor trouble after power-on.
Intermittent detection of the same trouble afterward.
*Edge stopper motor trouble if detected in a raw.

FSME

Saddle delivery motor JAM

First detection of saddle delivery motor trouble after power-on.
Intermittent detection of the same trouble afterward.
*Saddle delivery motor trouble if detected in a raw.

FSMJ

Saddle alignment motor JAM

First detection of saddle alignment motor trouble after power-on.
Intermittent detection of the same trouble afterward.
*Saddle alignment motor trouble if detected in a raw.

FSMC

Paddle JAM (Saddle section)

First detection of paddle trouble (saddle section) after power-on.
Intermittent detection of the same trouble afterward.
*Paddle (Saddle section) trouble if detected in a raw.

FSMF

Saddle Paper Pushing Plate/
Folding motor JAM

First detection of saddle paper pushing plate/folding motor trouble after power-on.
Intermittent detection of the same trouble afterward.
*Saddle Paper Pushing Plate/Folding motor trouble if detected in a raw.

FSMDLE

 Saddle switching lever motor 
JAM

First detection of  saddle switching lever motor trouble after power-on.
Intermittent detection of the same trouble afterward.
* Saddle switching lever motor trouble if detected in a raw.

FSMG

Gripper motor JAM

First detection of gripper motor trouble after power-on.
Intermittent detection of the same trouble afterward.
*Gripper motor trouble if detected in a raw.