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June 2004 © TOSHIBA TEC e-STUDIO200L/202L/230/232/280/282 COPY PROCESS
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3.3 Comparison with e-STUDIO350/450
Process e-STUDIO350/450
e-STUDIO200L/202L/230/230L/232/
232S/280/280S/282/282S
1. Photoconductive drum
• Sensitivity
• Surface potential
OD-3500 (OPC ø60)
Highly sensitized/durable drum
-750 V
OD-1600 (OPC ø30)
#
-475 V
2. Charging
• Grid voltage
Scorotron method
-790 V
#
-495 V
3. Data writing
• Light source
• Light amount
Semiconductor laser (Adjustment not
required)
4.3 nJ/mm
2
#
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-3520, T-3520E, T-3520D, T-3520C,
T-3520T
D-3500, D-3500C
DC-550 V Adjustable output (during
printing)
DC+150 V Fixed (others)
#
#
#
#
T-2320, T-2320E, T-2320D, T-2320C,
T-2320T (e-STUDIO200L/230/230L/
280/280S)
T-2340, T-2340E, T-2340D, T-2340C,
T-2340T (e-STUDIO202L/232/232S/
282/282S)
D-2320, D-2320C
DC-357 V Adjustable output
(during printing)
AC 1100 V (Adjustment not required,
during printing)
#
5. Transfer
• Transfer bias
Adjustable output (Constant current)
+580 V (Adjustment not required)
#
+600 V (Adjustment not required)
6. Separation AC: Adjustable output
(Constant voltage)
DC: Adjustment not required
#
#
7. Discharge
• Discharging position
• Discharge LED
Exposure after cleaning
Red LED
#
#
8. Cleaning
• Method
• Recovered toner
Cleaning blade
Not reusable
#
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
(ø40)
Pressure roller:
PFA tube roller (ø30)
Cleaning roller for pressure roller (ø14)
IH coil (Induction-heating method)
Turned ON/OFF by thermistor
#
#
Thin roller coated with fluoroplastic
(ø30)
#
#
Cleaning roller for pressure roller (ø16)
Heater lamp
05/11