: Feb. 9 2004
1
AR-M550/M620/M700  EXTERNAL VIEW AND INTERNAL STRUCTURE  5 - 13
M1LUM M1LUM Paper feed tray lift-up 
motor (Paper feed tray 3)
DC brush motor Drives the lift plate of the 
paper feed tray. 
Selection of 
Rotation mode/ 
Brake mode
M2LUM M2LUM Paper feed tray lift-up 
motor (Paper feed tray 4)
DC brush motor Drives the lift plate of the 
paper feed tray. 
Selection of 
Rotation mode/ 
Brake mode
MIM MIM Scanner (reading) motor Stepping motor Drives the scanner 
(reading) section. 
MM MM Main motor DC brushless 
motor
Drives the paper feed trays 
1, 2, 3, and 4, and the 
manual paper feed section.
PGM PGM LSU motor DC brushless 
motor
Drives the scanner (writing) 
(LSU) unit mirror. 
POM1 POM1 Paper exit motor 1 Stepping motor Drives the paper transport 
roller 16.
Selection of 
Normal speed/ 
High speed
POM2 POM2 Paper exit motor 2 Stepping motor Drives the paper exit roller 
1.
Selection of 
Normal speed/ 
High speed/ 
Reverse rotation
SLU /SLUM SPF paper tray lift motor Stepping motor Lifts up and down the SPF 
paper feed tray.
SPFM
SPFM1 SPF paper feed motor, 
paper transport motor
Stepping motor Drives the paper feed roller 
and the transport roller. 
SPSM
SPFM2 SPF paper exit motor Stepping motor Drives the paper exit roller. 
(SPF)
T1LUM T1LUM Paper feed tray lift-up 
motor (Paper feed tray 1)
DC brush motor Drives the lift plate of the 
paper feed tray. 
Selection of 
Rotation mode/ 
Brake mode
T2LUM T2LUM Paper feed tray lift-up 
motor (Paper feed tray 2)
DC brush motor Drives the lift plate of the 
paper feed tray. 
Selection of 
Rotation mode/ 
Brake mode
TM1 TM1 Toner motor 1 Synchronous 
motor
Transports toner in the 
toner hopper to the 
developing unit. /
Transports waste toner to 
the waste toner section.
TM2 TM2 Toner motor 2 Synchronous 
motor
Transports toner in the 
toner bottle to the toner 
hopper. 
TRM TRM Resist roller front drive 
motor
Stepping motor Drives the paper transport 
roller 15. 
Normal speed 
mode/ Resist roller 
front paper 
transport timing 
control (Warp 
amount control)
TURM TURM Transfer separation 
motor
DC brush motor Drives and separates the 
transfer belt. 
When executing 
the process 
correction and 
detecting a jam, 
the transfer belt is 
separated from 
the OPC drum.
VPM VPM Vertical paper transport 
motor
Stepping motor
Drives the paper transport 
rollers 4 and 13. 
Normal speed 
mode
Code
Signal 
name
Name Type Function/Operation
Active 
condition
MODEL  NOTE
1
1
1
1