Sharp MX-M550U Service Manual page 312

Signal
Code
name
MPRD1 MPRD1 Paper feed tray 2 paper pass
detector 1
MPRD2 MPRD2 Paper feed tray 2 paper pass
detector 2
PPD PPD Resist roller front paper pass
detector
RRC RRC Resist roller clutch
PSBC PSBC Resist roller brake clutch
MM MM Main motor
TRM TRM Resist roller front drive motor
VPM VPM Vertical paper transport motor
No. Name
1 Resist roller (Drive)
2 Resist roller (Idle)
3 Transport roller 15
Name
Manual feed/paper feed tray 2/LCC paper pass
detection
Manual feed/paper feed tray 2/LCC paper pass
detection
Paper pass detection in front of resist roller
Resist roller ON/OFF control
Resist roller braking
Drives the paper feed trays 1, 2, 3, and 4,
and the manual paper feed section.
Drives the paper transport roller 15.
Drives the paper transport rollers 4 and 13.
Transports paper to the transfer section. /
Controls the transport timing of paper to adjust the relationship between images and paper.
Applies a pressure to paper and the resist roller to provide transport power of the transport roller to
paper.
Transports paper to the transport resist roller.
MX-M700N PAPER TRANSPORT SECTION G – 3
Function/Operation
Function/Operation
Type NOTE
Transmission Paper transport
type system sensor
Transmission Paper transport
type system sensor
Reflection type Paper transport
system sensor
Electromagnetic
clutch
Electromagnetic
clutch
DC brush-less Paper pass
motor
Stepping motor Normal speed
mode/ Resist
roller front
paper transport
timing control
(Warp amount
control)
Stepping motor Normal speed
mode