AR-M550 (serv.man16). (9) Self diag message and troubleshooting - Sharp Copying Equipment Service Manual (repair manual). Page 44

AR-M550/M620  SELF DIAG MESSAGE AND TROUBLESHOOTING  9 - 44

FFPS_S

FINISHER saddle transport 
path sensor remaining JAM

Saddle transport path 
sensor ON

The saddle transport path sensor is 
not turned OFF within the specified 
time. 

996ms

FINISHER saddle paper exit 
sensor not-reached JAM

Folding edge sensor 
ON (Completion of 
thrust operation)

The saddle transport sensor is not 
turned ON though paper is 
transported in the specified distance.

180mm (Twice as much as the 
normal distance)

FINISHER saddle paper exit 
sensor remaining JAM

Saddle paper exit 
sensor ON

The saddle paper exit sensor is not 
turned OFF though paper is 
transported in the specified distance.

209.25mm (1.5 times as much as the 
normal distance)

FEXIT_S

FINISHER bundle exit 
remaining JAM

Start of bundle exit to 
the stack tray

The staple tray sensor is not turned 
OFF within the specified time. 

1000ms

FSTPL

FINISHER Stacker staple 
JAM

Start of stacker 
stapling

When the staple HP sensor does not 
sense ON within the specified time 
from staple HP sensor OFF in 
stapling process, and when the staple 
HP sensor detects ON in reverse 
rotation after stopping the stapler.

500ms

FINISHER saddle staple JAM

Start of saddle 
stapling

When the staple HP sensor does not 
sense ON within the specified time 
from stapler HP sensor OFF in 
stapling process, and when the staple 
HP sensor detects ON in reverse 
rotation after stopping the stapler. 

500ms

FPNCH

FINISHER punch JAM

Punch HP OFF after 
starting punching

The punch HP sensor does not turn 
ON within the specified time. 

200ms

FDOP

FINISHER door open JAM

One of finisher doors 
open

Finisher door open is detected in 
finishing process.

---

JAM code

Content

JAM 

detection method

JAM judgment time

(Stacker: LTR horizontal size

Saddle: LTR vertical size)

JAM detection timer 

start trigger

JAM judge detector

Common to 55/62, 70PPM MODELS

(Main unit paper exit speed: 

Stacker: 800mm/s
Saddle: 420mm/s)