Toshiba e-STUDIO2008A Service Manual page 58

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