Service manual

AR-M351U/M451U, AR-M355U/M455U ELECTRICAL SECTION 13 - 20
MCLUD MP tray upper limit sensor
signal
MP tray upper limit
detection
— Upper limit 10 9 PCU
MCM_T Multi-purpose paper feed
tray transport motor lock
signal
Multi-purpose paper feed
tray transport motor lock
detection
Rotation Stop/Lock 10 20 PCU
MCMCLK Multi-purpose paper feed
tray transport motor clock
signal
Multi-purpose paper feed
tray transport motor
rotating speed control
——10 21 PCU
MCPED MP tray paper empty
sensor signal
MP tray paper empty
detection
Paper present — 10 8 PCU
MCPWS MP tray width sensor
detection
MP tray paper width
detection
——10 10 PCU
MCSET 10 16 PCU
MCSPD MP tray paper remaining
quantity sensor signal
MP tray paper remaining
quantity detection
When pressed — 10 15 PCU
MCSS1 MP tray rear edge sensor
1 signal
MP tray rear edge size
detection
When pressed — 10 11 PCU
MCSS2 MP tray rear edge sensor
2 signal
MP tray rear edge size
detection
When pressed — 10 12 PCU
MCSS3 MP tray rear edge sensor
3 signal
MP tray rear edge size
detection
When pressed — 10 13 PCU
MCSS4 MP tray rear edge sensor
4 signal
MP tray rear edge size
detection
When pressed — 10 14 PCU
MHV-T Main charger trouble
detection signal
Main charger trouble
detection
Trouble/
Without MHV
Normal 15 13 PCU
MM-T Main motor lock detection
signal
Main motor lock detection Rotation Stop/Lock 9 8 PCU
MPED ADU manual feed paper
sensor signal
Manual feed tray paper
empty detection
Paper present — 12 19 PCU
MPFSET Manual feed unit detection
signal
Manual feed unit detection Provided Not provided 12 23 PCU
MPLD1 Manual feed paper length
sensor signal
Manual paper feed tray
paper length detection
— Paper
present
12 18 PCU
MPLS1 ADU tray pull-out sensor
signal
Manual feed extension
tray pull-out detection
— Pull out 12 28 PCU
MPLS2 ADU tray storing sensor
signal
Manual feed extension
tray storing detection
— Storing 12 27 PCU
MPWS ADU manual feed paper
width detection signal
Manual feed paper width
detection
——12 20 PCU
PAGE Page signal Print timing control to the
controller (output for every
page)
——213PCU
PED Paper tray empty sensor
signal
Paper empty detection — Paper empty 13 3 PCU
PMCLK Polygon mirror motor drive
clock signal
Polygon mirror motor drive
clock
——16 27 PCU
POD1 Paper exit detection 1
signal
Detection of paper exit
from the fusing section
Paper pass — 44PCU
POD2 Paper exit detection 2
signal
Paper exit paper pass
detection
Paper pass — 410PCU
POD3 Paper exit detection 3
signal
Detection of paper exit to
the upper section paper
exit tray (Full detection)
Paper pass
(Full detection)
— 416PCU
RES_DSK Desk reset signal Desk reset Operation
enable
Reset 11 17 PCU
RES_FIN1 Finisher reset signal Finisher reset Operation
enable
Reset 11 5 PCU
RES_FIN2 Finisher reset signal Finisher reset Operation
enable
Reset 11 11 PCU
RES_PCU PCU reset signal The controller resets the
PCU.
Operation
enable
Reset 2 17 PCU
RTH1 Fusing roller temperature
detection signal
Fusing roller temperature
detection (Center section)
——14 7 PCU
RTH2 Fusing roller temperature
detection signal
Fusing roller temperature
detection (Edge section)
——14 9 PCU
Signal name Name Function/Operation
Connector level
Connector
No.
Pin
NO.
PWB
name
Remark
LH