Toshiba e-STUDIO2008A Service Manual page 64

3.5 Comparison with e-STUDIO257/357/457/507
Process
1. Photoconductive OD-4530,
drum OD-4530C
(OPCø30)
• Sensitivity Highly sensitized/
durable drum
• Surface potential -508V (Adjustment
not required)
2. Charging Scorotron method
(Needle electrode)
• Grid voltage -547 V (Adjustment
not required)
3. Data writing
• Light source Semiconductor
laser (Adjustment
not required)
• Light amount
4.25nJ/mm
4. Development
• Magnetic roller One magnetic roller
• Auto-toner Magnetic
bridgecircuit method
• Toner supply Toner cartridge
• Toner-empty Density detection
detection method
• Toner PS-ZT5070U(1)
PS-ZT5070A(1)
PS-ZT5070C(1)
PS-ZT5070D(1)
PS-ZT5070T(1)
PS-ZT5070E(1)
PS-ZT5070P(1)
PS-ZT5070CM(1)
• Developer D-5070
material
• Developer bias DC-42V
Adjustable output
AC 1100 V
No reverse bias
output
5. Transfer
• Transfer method Transfer roller
output
• Transfer output Adjustable output
(Constant current)
• Transfer assist +250V
bias
e-STUDIO2008A/2508A/3008A/3508A/4508A/5008A
OUTLINE OF THE MACHINE
e-STUDIO207L/257/307/357/457/507
e-STUDIO207L/ e-STUDIO357/457/
257/307
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-558 V (Adjustment
not required)
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2
4.75nJ/mm
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e-STUDIO2008A/2508A/3008A/3508A/
e-STUDIO2008A/
2508A3008A/
507
3008A
PS-OD-4530,
OD-4530C
(OPCø30)

2
© 2015 TOSHIBA TEC CORPORATION All rights reserved
3 - 18
4508A/5008A
e-STUDIO2508A/
3508A/4508A/
5008A
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