Toshiba E-STUDIO2008A, Service Manual, Page: 58 / 1016

e-STUDIO2008A/2508A/3008A/3508A/4508A/5008A © 2015 TOSHIBA TEC CORPORATION All rights reserved
OUTLINE OF THE MACHINE
3 - 12
3.3 Symbols and Functions of Various Components
The column “P-I” shows the page and item number in the parts list.
3.3.1 Motors
3.3.2 Sensors and switches
Symbol Name Function Remarks P-I
M1 SCAN-MOT
Scan motor Driving the carriages Fig. 3-3 15-8
M2 PU-FAN
Process unit fan Cooling down the process unit Fig. 3-4 1-25
M3 POL-MOT
Polygonal motor Driving the polygonal mirror Fig. 3-5 11-1
M4 TNR-MOT
Toner motor Transporting toner from the toner
cartridge to the developer unit
Fig. 3-5
14-29
M5 ADU-MOT
ADU motor Driving the automatic duplexing unit
Fig. 3-6
8-1
M6 SYS-FAN-MOT
SYS/HDD cooling fan Cooling down the SYS board and hard
disk
Fig. 3-6
9-3
M7 POW-FAN
Switching regulator cooling fan Cooling down the High-voltage
transformer and switching regulator
Fig. 3-6
4-14
M8 MAIN-MOT
Main motor Driving the drum, developer unit, fuser
unit, registration roller, transport rollers,
feed rollers and pickup rollers
Fig. 3-6
14-21
M9 TRU-FAN
TRU fan Assisting the paper separation process Fig. 3-7
Fig. 3-8 13-9
M10 EXIT-MOT
Exit motor Driving the exit roller Fig. 3-7
Fig. 3-8 33-18
M11 TRAY-U-MOT
Upper tray-up motor Driving the lifting movement of trays in
upper drawer
Fig. 3-10
7-18
M12 TRAY-L-MOT
Lower tray-up motor Driving the lifting movement of trays in
lower drawer
Fig. 3-10
7-18
M13 REV-MOT
Reverse motor Driving the reverse roller
*
35ppm/45ppm/50ppm only
Fig. 3-8
34-22
Symbol Name Function Remarks P-I
S1 APS1
Automatic original detection sensor-1 Detecting original size Fig. 3-3 12-12
S2 APS2
Automatic original detection sensor-2 Detecting original size (for LT size) Fig. 3-3 -
S3 HOME-SNR
Carriage home position sensor Carriage home position detection Fig. 3-3 12-5
S4 ATTNR-SNR
Auto-toner sensor Detecting the density of toner in the
developer unit Fig. 3-4 28-20
S5 EXIT-SNR
Exit sensor Detecting the transporting paper at
the exit section Fig. 3-5 34-2
S6 ADU-TR1-SNR
ADU exit sensor Detecting the transporting paper in
automatic duplexing unit Fig. 3-7
Fig. 3-8 35-15