Toshiba e-STUDIO556 Service Manual page 87

Symbol Name
DH2 SCN-DH-R
Scanner damp heater
(Right)
DH3 DRM-DH
Drum damp heater
3.3.7 Thermistors and thermostats
Symbol Name
THM1 THMS-F-HTR
Fuser roller front thermistor
THM2 THMS-C-HTR
Fuser roller center
thermistor
THM3 THMS-R-HTR
Fuser roller rear thermistor
THM4 THMS-L-HTR
Pressure roller thermistor
THM5 THMS-DRM
Drum thermistor
THMO1 THERMO-C-HTR
Fuser roller center
thermostat
THMO2 THERMO-S-HTR
Fuser roller side thermostat
THMO3 THERMO-SCN-DH
Scanner damp heater
thermostat
THMO4 THERMO-DRM-DH
Drum damp heater
thermostat
3.3.8 Transformer
Symbol Name
HVT PS-HVT
High-voltage transformer
3.3.9 Others
Symbol Name
INV-EXP INV-EXP
Lamp inverter board
LCD LCD
LCD panel
TCP TCP
Touch panel
GLV MIR-GLV
Galvanic mirror
HDD HDD
Hard disk
PS PS-ACC
Switching regulator
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Function
Preventing condensation of the lens
Preventing condensation of the drum
Function
Detecting the surface temperature of the
front end of the fuser roller
Detecting the surface temperature of the
center of the fuser roller
Detecting the surface temperature of the
rear end of the fuser roller
Detecting the surface temperature of the
pressure roller
Detecting the ambient temperature of the
drum surface
Preventing overheating of the inside of the
fuser unit
Preventing overheating of the inside of the
fuser unit
Controlling the temperature of the scanner
damp heater
Controlling the temperature of the drum
damp heater
Function
Generating high-voltage and supplying it to
the following sections:
• Main charger wire
• Main charger grid
• Developer bias
• Transfer bias
• Drum cleaning brush
Function
Controlling the exposure lamp
Displaying each information
Entering each information
Adjusting the beam angle of the 2nd laser
(Only for e-STUDIO756/856)
Saving program data and image data
Generating DC voltage and supplying it to
each section of the equipment
3 - 41
Remarks P-I
Fig. 3-7 38-10
Fig. 3-16 21-28
Remarks P-I
Fig. 3-12 27-6
Fig. 3-12 27-6
Fig. 3-12 27-6
Fig. 3-12 27-28
Fig. 3-15 50-12
Fig. 3-12 27-4
Fig. 3-12 27-4
Fig. 3-7 38-9
Fig. 3-16 21-31
Remarks P-I
Fig. 3-24 53-7
Fig. 3-25
Remarks P-I
Fig. 3-5 36-4
Fig. 3-8 3-23
Fig. 3-8 3-22
Fig. 3-13 32-1B
Fig. 3-24 54-11
Fig. 3-25
Fig. 3-24 52-14
Fig. 3-25
e-STUDIO556/656/756/856/557/657/757/857
OUTLINE OF THE MACHINE
3