Comparison With E-Studio230/280 - Toshiba e-STUDIO167 Service Manual

3.3

Comparison with e-STUDIO230/280

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
© February 2007 TOSHIBA TEC CORPORATION All rights reserved
e-STUDIO230/280
OD-1600 (OPC ø30)
Highly sensitized/durable drum
-475 V
Scorotron method
-495 V
Semiconductor laser
(Adjustment not required)
2
4.0 nJ/mm
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)
Adjustable output (Constant current)
+600 V (Adjustment not required)
Adjustable output
(Constant current)
Exposure after cleaning
Red LED
Cleaning blade
Reuse (There is the recovered toner
supply mechanism.)
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
3 - 13
e-STUDIO167/207/237
Å
Å
-440 V
Å
-448 V (e-STUDIO167/207)
-454 V (e-STUDIO237)
Å
Å
Å
Å
Å
T-1640, T-1640E, T-1640D
T-1640C, T-1640T
Å
DC -340 V Adjustment output (during
printing)
AC 1100 V (Adjustment not required,
during printing)
No DC+ (positive) output
Å
+565 V (Adjustment not required)
Å
Å
Å
Å
Å
Å
Å
Pressure roller:
PFA tube roller (ø25)
None
Å
e-STUDIO167/207/237
COPY PROCESS
3