Read Sharp AR-M550 (serv.man16) Service Manual online
AR-M550/M620 SELF DIAG MESSAGE AND TROUBLESHOOTING 9 - 43
2. Inserter paper jam judgment conditions
*1) The take-up position is 30mm downstream from the vertical path transport roller.
*2) The reverse stop position is 20mm downstream from the reverse sensor.
3. Finisher paper jam judgment conditions
JAM CODE
Name
JAM detection method
JAM judge distance
JAM detection start trigger
JAM judge detector
REG_SEN_N
Resist sensor not-reached
JAM
JAM
Separation start
Resist sensor ON
(Distance from pick descending start to
resist sensor ON) x 5
resist sensor ON) x 5
REG_SEN_S
Resist sensor remaining
JAM
JAM
Transport start from the
take-up position (*1)
take-up position (*1)
Resist sensor OFF
Max. document length (WLT) - (Resist
sensor OFF to take-up position) + 200mm
sensor OFF to take-up position) + 200mm
TIM_SEN_N
Timing sensor not-reached
JAM
JAM
Resist sensor ON
Timing sensor ON
Distance from resist sensor ON to timing
sensor ON + 200mm
sensor ON + 200mm
TIM_SEN_S
Timing sensor remaining
JAM
JAM
Resist sensor OFF
Timing sensor OFF
Distance from resist sensor OFF to timing
sensor OFF + 200mm
sensor OFF + 200mm
HI_SEN_NI
Paper exit sensor not-
reached JAM (Inserter
paper feed)
reached JAM (Inserter
paper feed)
Timing sensor ON
Paper exit sensor ON
Distance from timing sensor ON to paper
exit sensor ON + 200mm
exit sensor ON + 200mm
HI_SEN_NP
Paper exit sensor not-
reached JAM (Main unit
paper feed)
reached JAM (Main unit
paper feed)
Main unit paper exit
command receive
command receive
Paper exit sensor ON
Distance from main unit side to paper exit
sensor ON + 500mm
sensor ON + 500mm
HI_SEN_S
Paper exit sensor remaining
JAM (Main unit paper feed)
JAM (Main unit paper feed)
After passing by 20mm from
the paper exit sensor ON
the paper exit sensor ON
Paper exit sensor
OFF
OFF
Max. document length (WLT) + 200mm
Paper exit sensor remaining
JAM (Inserter paper feed)
JAM (Inserter paper feed)
Timing sensor OFF
Paper exit sensor
OFF
OFF
Distance from timing sensor OFF to paper
exit sensor OFF + 200mm
exit sensor OFF + 200mm
H_SEN_NIN
Reverse sensor not-
reached JAM (When
entering the reverse path)
reached JAM (When
entering the reverse path)
Timing sensor ON
Reverse sensor ON
Distance from timing sensor ON to reverse
sensor ON + 100mm
sensor ON + 100mm
H_SEN_NOUT
Reverse sensor not-
reached JAM (When exiting
from the reverse path)
reached JAM (When exiting
from the reverse path)
Switchback start
Reverse sensor ON
Distance from reverse stop position (*2) to
reverse sensor ON + 100mm
reverse sensor ON + 100mm
H_SEN_SIN
Reverse sensor remaining
JAM (When entering the
reverse path)
JAM (When entering the
reverse path)
Timing sensor OFF
Reverse sensor OFF
Distance from timing sensor OFF to reverse
sensor OFF + 100mm
sensor OFF + 100mm
H_SEN_SOUT
Reverse sensor remaining
JAM (When exiting from the
reverse path)
JAM (When exiting from the
reverse path)
After passing 20mm from
the reverse sensor ON
the reverse sensor ON
Reverse sensor OFF
Max. Document length (WLT) + 100mm
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)
Saddle: 420mm/s)
FES_N
FINISHER entry port sensor
not-reached JAM
not-reached JAM
Main unit paper exit
command reception
command reception
The paper entry sensor is not turned
ON within the specified time.
ON within the specified time.
500ms
FES_S
FINISHER entry port
remaining JAM
remaining JAM
Paper entry sensor
ON
ON
The paper entry sensor is not turned
OFF within the specified time.
OFF within the specified time.
540ms
FINISHER buffer sensor not-
reached JAM
reached JAM
Paper entry senor
ON
ON
The buffer sensor is not turned ON
within the specified time.
within the specified time.
688ms
FINISHER buffer sensor
remaining JAM
remaining JAM
Buffer sensor ON
The buffer sensor is not turned OFF
within the specified time.
within the specified time.
540ms
FINISHER paper exit sensor
not-reached JAM
not-reached JAM
Entry port sensor ON
The paper exit sensor is not turned
ON within the specified time.
ON within the specified time.
Straight path transport: 453ms
Buffer path transport: 815ms
Buffer path transport: 815ms
FINISHER paper exit sensor
remaining JAM
remaining JAM
Paper exit sensor ON
The paper exit sensor is not turned
OFF within the specified time.
OFF within the specified time.
840ms
FFPS_N
FINISHER saddle transport
path sensor not-reached JAM
path sensor not-reached JAM
Entry port sensor ON
The saddle transport path sensor is
not turned ON within the specified
time.
not turned ON within the specified
time.
914ms
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