Comparison With E-Studio350/450 - Toshiba e-STUDIO200L/230/280 SERIES Service Manual

3.3

Comparison with e-STUDIO350/450

Process
1. Photoconductive drum
• Sensitivity
• Surface potential
2. Charging
• Grid voltage
3. Data writing
• Light source
• Light amount
4. Development
• Magnetic roller
• Auto-toner
• Toner supply
• Toner-empty detection
• Toner
• Developer material
• Developer bias
5. Transfer
• Transfer bias
6. Separation
7. Discharge
• Discharging position
• Discharge LED
8. Cleaning
• Method
• Recovered toner
9. Fusing
• Method
• Cleaning
• Heater
June 2004 © TOSHIBA TEC
e-STUDIO350/450
OD-3500 (OPC ø60)
Highly sensitized/durable drum
-750 V
Scorotron method
-790 V
Semiconductor laser (Adjustment not
required)
2
4.3 nJ/mm
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)
Adjustable output (Constant current)
+580 V (Adjustment not required)
AC: Adjustable output
(Constant voltage)
DC: Adjustment not required
Exposure after cleaning
Red LED
Cleaning blade
Not reusable
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
3 - 13
e-STUDIO230/280
OD-1600 (OPC ø30)
-475 V
-495 V
2
4.0 nJ/mm
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)
+600 V (Adjustment not required)
Reuse (There is the recovered toner
supply mechanism.)
Thin roller coated with fluoroplastic
(ø30)
Cleaning roller for pressure roller (ø16)
Heater lamp
e-STUDIO200L/230/280 COPY PROCESS
3