Sharp AR-M550 (serv.man16) Service Manual ▷ View online
AR-M550/M620 SELF DIAG MESSAGE AND TROUBLESHOOTING 9 - 41
MPRD2_N2
MPRD2 not-reached jam
(Tandem paper feed tray
2 feed paper)
(Tandem paper feed tray
2 feed paper)
VPM ON (When the paper
lead edge comes to 40mm
in front of the transport
roller 4, VPM turns ON.)
lead edge comes to 40mm
in front of the transport
roller 4, VPM turns ON.)
MPRD2 ON
467ms
417ms
MPRD2_NM
MPRD2 not reached jam
(Manual paper feed tray
feed paper)
(Manual paper feed tray
feed paper)
VPM ON (When the paper
lead edge comes to 40mm
in front of the transport
roller 4, VPM turns ON.)
lead edge comes to 40mm
in front of the transport
roller 4, VPM turns ON.)
MPRD2 ON
467ms
417ms
MPRD2_NL
MPRD2 not-reached jam
(LCC paper feed paper)
(LCC paper feed paper)
VPM ON (When the paper
lead edge comes to 40mm
in front of the transport
roller 4, VPM turns ON.)
lead edge comes to 40mm
in front of the transport
roller 4, VPM turns ON.)
MPRD2 ON
467ms
417ms
TRAY2
Tandem paper feed tray
2 paper feed jam
(MPRD1 not-reached)
2 paper feed jam
(MPRD1 not-reached)
T2PFC ON
MPRD1 ON
1519ms
1440ms
MPRD1_N2
T2PFC ON
MPRD1 ON
1519ms
1440ms
MPRD1_NM
MPRD1 not-reached jam
(Manual paper feed tray
feed paper)
(Manual paper feed tray
feed paper)
MPFD2 ON
MPRD1 ON
564ms
478ms
MPRD1_NL
MPRD1 not-reached jam
(LCC paper feed paper)
(LCC paper feed paper)
MPFD2 ON
MPRD1 ON
564ms
478ms
MPFD2_NM
MPFD2 not-reached jam
(Manual paper feed tray
feed paper)
(Manual paper feed tray
feed paper)
MPFD1 ON
MPFD2 ON
570ms
483ms
MPFD2_NL
MPFD2 not-reached jam
(LCC paper feed paper)
(LCC paper feed paper)
LPPD ON
MPFD2 ON
677ms
574ms
MPFD1_N
MPFC ON
MPFD1 ON
1367ms
1311ms
BYPASS
MPFC ON
MPFD1 ON
1367ms
1311ms
LPPD_N
LPPD not-reached jam
LTD ON(LCC)
LPPD ON
1447ms
1379ms
PFD2_ST1
PFD2 remaining jam
(Tandem tray 1 feed
paper)
(Tandem tray 1 feed
paper)
RRC ON
PFD2 OFF (PFD2
paper rear edge
detection) + 65mm
PFD2 OFF (PFD2
paper rear edge
detection) + 65mm
PFD2_SM1
PFD2 remaining jam
(Multi-stage tray 1 feed
paper)
(Multi-stage tray 1 feed
paper)
M1PFD OFF (When paper
is transported by 50mm
from M1PFD paper rear
edge detection.)
is transported by 50mm
from M1PFD paper rear
edge detection.)
PFD2 OFF
671ms
569ms
PFD2_SM2
PFD2 remaining jam
(Multi-stage tray 2 feed
paper)
(Multi-stage tray 2 feed
paper)
M1PFD OFF (When paper
is transported by 50mm
from M1PFD paper rear
edge detection.)
is transported by 50mm
from M1PFD paper rear
edge detection.)
PFD2 OFF
671ms
569ms
PFD2_SAD
PFD2 remaining jam
(ADU re-feed paper)
(ADU re-feed paper)
RRC ON
PFD2 OFF (PFD2
paper rear edge
detection) + 65mm
PFD2 OFF (PFD2
paper rear edge
detection) + 65mm
PPD_ST1
PPD1 remaining jam
(Tandem tray 1 feed
paper)
(Tandem tray 1 feed
paper)
PFD2 OFF
PPD OFF
352ms
298ms
PPD_ST2
PPD1 remaining jam
(Tandem tray 2 feed
paper)
(Tandem tray 2 feed
paper)
MPRD2 OFF
PPD OFF
429ms
364ms
PPD_SM1
PPD1 remaining jam
(Multi-stage tray 1 feed
paper)
(Multi-stage tray 1 feed
paper)
PFD2 OFF
PPD OFF
352ms
298ms
PPD_SM2
PPD1 remaining jam
(Multi-stage tray 2 feed
paper)
(Multi-stage tray 2 feed
paper)
PFD2 OFF
PPD OFF
352ms
298ms
PPD_SLC
PPD1 remaining jam
(LCC paper feed paper)
(LCC paper feed paper)
MPRD2 OFF
PPD OFF
429ms
364ms
PPD_SAD
PPD1 remaining jam
(ADU re-feed paper)
(ADU re-feed paper)
PFD2 OFF
PPD OFF
352ms
298ms
PPD_SMF
PPD1 remaining jam
(Manual feed tray feed
paper)
(Manual feed tray feed
paper)
MPRD2 OFF
PPD OFF
429ms
364ms
POD1_S (Right
paper exit, infinite
form)
paper exit, infinite
form)
POD1 remaining jam
PPD OFF
POD1 OFF
1128ms
956ms
JAM code
Content
JAM detection method
JAM judge time (JAMTST - JAMJD)
JAM detection timer start
trigger (JAMTST)
JAM judge dedtector
(JAMJD)
55/62 PPM MODEL
(335mm/s)
70 PPM MODEL
(395mm/s)
AR-M550/M620 SELF DIAG MESSAGE AND TROUBLESHOOTING 9 - 42
POD1_S (Left
paper exit)
paper exit)
POD1 remaining jam
PPD OFF
POD1 OFF
1128ms
956ms
POD2_SR
POD2 remaining jam
(When paper is
discharged on the right
side of the machine.)
(When paper is
discharged on the right
side of the machine.)
POD1 OFF
POD2 OFF
429ms
364ms
POD2_SL
POD2 remaining jam
(When paper is
discharged on the left
side of the machine.)
(When paper is
discharged on the left
side of the machine.)
POM1 ON (Switchback
start)
start)
POD2 OFF
Paper length + 115mm
AINPD_S (Saddle
paper exit)
paper exit)
ADU paper entry sensor
remaining jam
remaining jam
POD2 OFF
AINPD OFF
187ms
187ms
AINPD_S (Other)
ADU paper entry sensor
remaining jam
remaining jam
POD2 OFF
AINPD OFF
187ms
187ms
APPD1_S
ADU transport sensor 1
remaining jam
remaining jam
AINPD OFF
APPD1 OFF
292ms
292ms
APPD2_S
ADU transport sensor 2
remaining jam
remaining jam
LD ON
APPD2 OFF(APPD2
paper rear edge
detection) + 65mm
APPD2 OFF(APPD2
paper rear edge
detection) + 65mm
M1PFD_S1
M1PFD remaining jam
(Multi-stage 1 tray feed
paper)
(Multi-stage 1 tray feed
paper)
M1PFD ON
M1PFD OFF
Paper length +
65mm
M1PFD_S2
M1PFD remaining jam
(Multi-stage 2 tray feed
paper)
(Multi-stage 2 tray feed
paper)
M2PFD OFF
M1PFD OFF
513ms
435ms
M2PFD_S
M2PFD remaining jam
M2PFD ON
M2PFD OFF
Paper length +
65mm
MPRD2_S2
MPRD2 remaining jam
(Tandem tray 2 feed
paper)
(Tandem tray 2 feed
paper)
MPRD1 OFF
MPRD2 OFF
653ms
554ms
MPRD2_SM
MPRD2 remaining jam
(Manual paper feed tray
feed paper)
(Manual paper feed tray
feed paper)
MPRD1 OFF
MPRD2 OFF
653ms
554ms
MPRD2_SL
MPRD2 remaining jam
(LCC paper feed paper)
(LCC paper feed paper)
MPRD1 OFF
MPRD2 OFF
653ms
554ms
MPRD1_S2
MPRD1 remaining jam
(Tandem paper feed tray
2 feed paper)
(Tandem paper feed tray
2 feed paper)
MPRD1 ON
MPRD1 OFF
Paper length +
65mm
MPRD1_SM
MPRD1 remaining jam
(Manual paper feed tray
feed paper)
(Manual paper feed tray
feed paper)
MPFD2 OFF
MPRD1 OFF
564ms
478ms
MPRD1_SL
MPRD1 remaining jam
(LCC paper feed paper)
(LCC paper feed paper)
MPFD2 OFF
MPRD1 OFF
564ms
478ms
MPFD2_SM
MPFD2 remaining jam
(Manual paper feed tray
feed paper)
(Manual paper feed tray
feed paper)
MPFD1 OFF
MPFD2 OFF
570ms
483ms
MPFD2_SL
MPFD2 remaining jam
(LCC paper feed paper)
(LCC paper feed paper)
LPPD OFF
MPFD2 OFF
1447ms
1379ms
MPFD1_S
MPFD1 remaining jam
MPFD1 ON
MPFD1 OFF
Paper length +
65mm
LPPD_S
LPPD remaining jam
LTD OFF (LCC paper feed
complete)
complete)
LPPD ON
1447ms
1379ms
JAM code
Content
JAM detection method
JAM judge time (JAMTST - JAMJD)
JAM detection timer start
trigger (JAMTST)
JAM judge dedtector
(JAMJD)
55/62 PPM MODEL
(335mm/s)
70 PPM MODEL
(395mm/s)
JAM cause code
Content
JAM timer
JAM cause code
335mm/s
395mm/s
JAM timer start
PPD_PRI
PPD1 jam (Image ready
request is not sent from
ICU.)
request is not sent from
ICU.)
Image data send ready
request command is sent
(PCU to MFP CONTROL)
request command is sent
(PCU to MFP CONTROL)
Image data send
ready status is sent.
(MFP CONTROL to
PCU)
ready status is sent.
(MFP CONTROL to
PCU)
30000ms
30000ms
LPPD_LCC
LPPD jam (No reply in a
certain time after
preliminary paper feed
from LCC and issuing the
paper feed command.)
certain time after
preliminary paper feed
from LCC and issuing the
paper feed command.)
Preliminary paper feed
request command is sent.
(PCU to LCC)
request command is sent.
(PCU to LCC)
Preliminary paper
feed start status is
sent. (LCC to PCU)
feed start status is
sent. (LCC to PCU)
70sec
70sec
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
AR-M550/M620 SELF DIAG MESSAGE AND TROUBLESHOOTING 9 - 44
FFPS_S
FINISHER saddle transport
path sensor remaining JAM
path sensor remaining JAM
Saddle transport path
sensor ON
sensor ON
The saddle transport path sensor is
not turned OFF within the specified
time.
not turned OFF within the specified
time.
996ms
FINISHER saddle paper exit
sensor not-reached JAM
sensor not-reached JAM
Folding edge sensor
ON (Completion of
thrust operation)
ON (Completion of
thrust operation)
The saddle transport sensor is not
turned ON though paper is
transported in the specified distance.
turned ON though paper is
transported in the specified distance.
180mm (Twice as much as the
normal distance)
normal distance)
FINISHER saddle paper exit
sensor remaining JAM
sensor remaining JAM
Saddle paper exit
sensor ON
sensor ON
The saddle paper exit sensor is not
turned OFF though paper is
transported in the specified distance.
turned OFF though paper is
transported in the specified distance.
209.25mm (1.5 times as much as the
normal distance)
normal distance)
FEXIT_S
FINISHER bundle exit
remaining JAM
remaining JAM
Start of bundle exit to
the stack tray
the stack tray
The staple tray sensor is not turned
OFF within the specified time.
OFF within the specified time.
1000ms
FSTPL
FINISHER Stacker staple
JAM
JAM
Start of stacker
stapling
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.
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
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.
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
starting punching
The punch HP sensor does not turn
ON within the specified time.
ON within the specified time.
200ms
FDOP
FINISHER door open JAM
One of finisher doors
open
open
Finisher door open is detected in
finishing process.
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)
Saddle: 420mm/s)
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