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11-8
CIRCUIT DESCRIPTION
Service Manual
< Engine Operating Description >
[ Fig 2 ]
11.2.2.4 Development Section
From the contact surface where OPC drum and the Developer Roller rotate in opposite direction, Toner with it's (-) electric
characteristics transfers to the exposed part (-150V) of the OPC drum due to the electric potential difference. But the areas
not exposed (-800V) do not transfer.
11.2.2.5 Transfer Section
The toner from the surface of the OPC drum is transferred to the paper by the transfer roller. In other words, the toner from
the surface of the OPC drum is transferred by the transfer roller charged with approxi1.0kV(300~ 4100V
adjustable). At this time, the adjustable voltage of 300~ 4100V is decided by the temperature and humidity. This process
is called transfer.
OPC
T/R
Max +4.1KV
GND
LSU
2.Charging
7.Fixing
8.Exit
EXIT
SENSOR
6.Transfer
5.Pre-Transfer
FEED
SENSOR
3.Exposure
4.Development
1.Feeding
H/R
P/R
C/R
OPC
T/R
PTL
D/R
S/R
Summary of Contents for Phaser 3450
Page 12: ...3 4 Specifications Service Manual ...
Page 28: ...4 16 Summary of Product Service Manual ...
Page 75: ...6 20 Alignment Adjustments Service Manual ...
Page 103: ...7 28 TROUBLESHOOTING Service Manual ...
Page 129: ...9 2 BLOCKDIAGRAM Service Manual ...