Toshiba e-STUDIO163, Service Manual

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3
© 2005 - 2008 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO163/203
COPY PROCESS
3 - 13
3.3 Comparison with e-STUDIO230/280
Process e-STUDIO230/280 e-STUDIO163/203
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
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
$