Toshiba DP-5550, Service Manual, Page: 72 / 404

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OUTLINE OF THE MACHINE
2 - 36
2.3.3 Electromagnetic spring clutches
SR3 Original empty sensor Detects the original set on the original tray. Fig. 2-28 81-3
SR4 Original reading end
sensor
Detecting the trailing edge of the original at
the original scanning section
Fig. 2-28 85-5
SR5 Original registration sensor Detects transport of the original at the
registration roller section.
Fig. 2-28 82-14
SR6 Original width detection
sensor-1
Detects the width of the original. Fig. 2-28 82-14
SR7 Original width detection
sensor-2
Detects the width of the original. Fig. 2-28 82-14
SR8 Original width detection
sensor-3
Detects the width of the original. Fig. 2-28 82-14
SR9 Original intermediate
transport sensor
Detects the original transported to the pre-
scanning section.
Fig. 2-28 85-25
SR10 Original reading start
sensor
Detects the leading edge of the original at
the original scanning section.
Fig. 2-28 85-23
SR11 Original exit/reverse sensor Detects the stop reference position for an
original when in reverse.
Fig. 2-28 86-14
SR12 Original exit sensor Detects the exit (transit) of an original. Fig. 2-28 83-10
SR13 Original jam access cover
opening/closing sensor
Detects opening/closing of the Jam access
cover.
Fig. 2-28 81-3
SR14 Original reverse unit
opening/closing sensor
Detecting the opening/closing status of the
original reverse unit.
Fig. 2-28 85-6
SR15 RADF opening/closing
sensor
Detecting the opening/closing status of the
RADF.
Fig. 2-28 88-2
SWR1 Jam access cover opening/
closing switch
Switches between cutoff and supply state
of the 24 V power by opening/closing of the
jam access cover.
Fig. 2-28 81-1
SWR2 RADF opening/closing
switch
Detecting the opening/closing status of the
RADF
Fig. 2-28 88-9
Symbol Name Function Remarks P-I
CLT1 HRZ-DR-CLT1
Horizontal transport section
driving clutch-1
Driving the horizontal transport section
(transmitting the power of the fuser unit
motor)
Fig. 2-16 19-21
CLT2 HRZ-DR-CLT2
Horizontal transport section
driving clutch-2
Driving the horizontal transport rollers-1
and -2
Fig. 2-16 20-21
CLT3 HRZ-DR-CLT3
Horizontal transport section
driving clutch-3
Driving the horizontal transport rollers-3
and -4
Fig. 2-16 20-21
CLT4 SFB-FEED-CLT
Bypass feed clutch
Driving the transport roller, separation
roller, feed roller and pickup roller of the
bypass feed unit
Fig. 2-20 11-13
CLT5 CST1-TR-CLT
1st drawer transport clutch
Driving the transport roller of the 1st drawer Fig. 2-21 7-26
CLT6 CST1-FEED-CLT
1st drawer feed clutch
Driving the separation roller, feed roller and
pickup roller of the 1st drawer
Fig. 2-21 7-26
CLT7 CST2-TR-CLT
2nd drawer transport clutch
Driving the transport roller of the 2nd
drawer
Fig. 2-21 7-26
CLT8 CST2-FEED-CLT
2nd drawer feed clutch
Driving the separation roller, feed roller and
pickup roller of the 2nd drawer
Fig. 2-21 7-26
CLT9 CST3-TR-CLT
3rd drawer / tandem LCF
transport clutch
Driving the transport roller of the 3rd
drawer or the tandem LCF
Fig. 2-21 7-26
CLT10 CST3-FEED-CLT
3rd drawer / tandem LCF
feed clutch
Driving the separation roller, feed roller and
pickup roller of the 3rd drawer or the
tandem LCF
Fig. 2-21 7-26
CLT11 CST4-TR-CLT
4th drawer transport clutch
Driving the transport roller of the 4th drawer
(Only for JPC model of all equipments)
Fig. 2-21 7-26
Symbol Name Function Remarks P-I