Toshiba e-studio212 - Comparison with E-STUDIO230;280

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© 2009 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO182/212/242
COPY PROCESS
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3.3 Comparison with e-STUDIO230/280
Process e-STUDIO230/280 e-STUDIO182/212/242
1. Photoconductive drum
• Sensitivity
• Surface potential
OD-1600 (OPC ø30)
Highly sensitized/durable drum
-475 V


-440 V
2. Charging
• Grid voltage
Scorotron method
-495 V

-448 V (e-STUDIO167/207)
-454 V (e-STUDIO237)
3. Data writing
•Light source
• Light amount
Semiconductor laser
(Adjustment not required)
4.0 nJ/mm
2

4. Development
• Magnetic roller
• Auto-toner
• Toner supply
• Toner-empty detection
• Toner
• Developer material
• Developer bias
One magnetic roller
Magnetic bridge-circuit method
Toner cartridge
Density detection method
T-2320, T-2320E, T-2320D, T-2320C,
T-2320T
D-2320, D-2320C
DC-357 V Adjustable output
(during printing)
AC 1100 V (Adjustment not required,
during printing)
DC+150 V Fixed (others)




T-1640, T-1640E, T-1640D
T-1640C, T-1640T

DC -340 V Adjustment output (during
printing)
AC 1100 V (Adjustment not required,
during printing)
No DC+ (positive) output
5. Transfer
• Transfer bias
Adjustable output (Constant current)
+600 V (Adjustment not required)

+565 V (Adjustment not required)
6. Separation Adjustable output
(Constant current)

7. Discharge
• Discharging position
• Discharge LED
Exposure after cleaning
Red LED


8. Cleaning
• Method
• Recovered toner
Cleaning blade
Reuse (There is the recovered toner
supply mechanism.)


9. Fusing
• Method
• Cleaning
•Heater
Long-life fuser roller method
Fuser roller:
Thin roller coated with fluoroplastic
(ø30)
Pressure roller:
PFA tube roller (ø30)
Cleaning roller for pressure roller (ø16)
Heater lamp
Turned ON/OFF by thermistor


Pressure roller:
PFA tube roller (ø25)
None
