Sensors And Switches - Toshiba e-STUDIO 2555C Service Manual

Symbol
F5 DVP-FAN
Developer unit cooling fan
F6 IH-FAN
IH board cooling fan
F7 EXT-FAN
Exit section cooling fan
F8 PS-FAN
Power supply unit cooling fan
F9 FUS-FAN2
Fuser section cooling fan 2
3.3.2

Sensors and switches

Symbol
S1 ATTNR-SNR-K
Auto-toner sensor-K
S2 ATTNR-SNR-C
Auto-toner sensor-C
S3 ATTNR-SNR-M
Auto-toner sensor-M
S4 ATTNR-SNR-Y
Auto-toner sensor-Y
S5 CST1-EMP-SNR
1st drawer empty sensor
S6 RGST-PASS-SNR
Registration pass sensor
S7 IMG-POS-SNR-F
Image position aligning sensor
(Front)
S8 IMG-POS-SNR-R
Image position aligning sensor
(Rear)/Image quality sensor
S9 USD-TNR-PDL-SNR
Waste toner paddle rotation
detection sensor
S10 TEMP/HUMI-SNR
Temperature/humidity sensor
S11 DRM-SW-SNR
Drum switching detection sensor
S12 1ST-TRNS-SW-SNR
1st transfer roller status detection
sensor
S13 EXIT-SNR
Exit sensor
S14 ADU-U-SNR
ADU entrance sensor
e-STUDIO2555C/3055C/3555C/4555C/5055C
OUTLINE OF THE MACHINE
Name
Cooling down the developer unit
Cooling down the IH board
Cooling down the exit section
Cooling down the power supply
unit
Cooling down the fuser unit
* 45/50ppm only.
Name
Detecting the toner density in the K
developer unit
Detecting the toner density in the
C developer unit
Detecting the toner density in the
M developer unit
Detecting the toner density in the Y
developer unit
Detecting the presence of paper in
the 1st drawer
Detecting paper transport at the
registration roller section
Detecting the density of a toner
image (test pattern) developed on
the transfer belt surface (front)
Detecting the density of a toner
image (test pattern) developed on
the transfer belt surface (rear)
Detecting the rear side position a
toner image (test pattern)
developed on the transfer belt
Detecting the rotation status of the
waste toner paddle (Detecting the
waste toner full)
Detecting the ambient
temperature/humidity of the
equipment
Detecting contact/release status of
the drive to the Y/M/C drums
Detecting contact/release status of
the 1st transfer roller for each color
Detecting paper exit
Detecting transported paper at the
automatic duplexing unit entrance
section
Function
Function
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Remarks P-I
Fig. 3-11 7-31
Fig. 3-11 9-22
Fig. 3-11 7-51
Fig. 3-11 4-27
Fig. 3-11
Remarks P-I
Fig. 3-5 33-4
Fig. 3-5 33-4
Fig. 3-5 33-4
Fig. 3-5 33-4
Fig. 3-9 6-40
Fig. 3-8 14-5
Fig. 3-8 14-6
Fig. 3-8 14-6
Fig. 3-4 24-4
Fig. 3-6 7-29
Fig. 3-5 17-10
Fig. 3-5 16-11
Fig. 3-7 39-12
Fig. 3-10 41-19