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6-7
Alignment & Adjustments
Service Manual
6.1.2.6 HVPS Test Item : High Voltage Power Supply
- These Functions are used to check whether the control for HVPS is normal or not.
1. Press the "Menu Key", until finding "Developing Test" is displayed on the panel.
2. Press the "Select Key", when it's found.
3. Press the "Arrow keys" (< / >), until finding a suitable function
(Refer to the table below).
4. Press the "Select Key", when it's found.
5. Press the "Select Key" for execution or the "Cancel key" for stop.
Sub Menu
Description
Display (LCD)
Remarks
Dev Bias Test
Dev bias(- 470V) and Supply bias(- 650V) are
Dev Bias On (Off)
supplied and after the execution key is chosen
and it stops when the stop key is chosen.
Charge Roll
Charge roll voltage (- 1500V) is supplied after
Charge : -1500V [Value]
ADC value
Voltage Test
the execution key is chosen and it stops when
displayed
the stop key is chosen.
Transfer (+) Test
Transfer positive voltage (+1000V) is supplied after
Transfer : +1000V [Value
ADC value
the execution key is chosen and it stops when
displayed
the stop key is chosen.
Transfer (-) Test
Transfer negative voltage(- 600 ~ -1000 V) is
Transfer(-) On(Off)
Voltage in
supplied after the execution key is chosen and it
the range
stops when the stop key is chosen.
PTL Test
PTL(Pre-Transfer Lamp) is on after the execution
PTL On(Off)
key is chosen and it stops when the stop key
is chosen.
6.1.2.7 Developing Test Item : Fuser,Laser Scanning Unit
- These Functions are used to check whether functions related to the development are normal or not. (Fuser,
OPC, LSU)
1. Press the "Menu Key", until finding "Developing Test" is displayed on the panel.
2. Press the "Select Key", when it's found.
3. Press the "arrow keys" (< / >), until finding a suitable function
(Refer to the table below).
4. Press the "Select Key", when it's found.
5. Press the "Select Key" for execution or the "Cancel key" for stop.
Sub Menu
Description
Display (LCD)
Remarks
Setting Temperature
When “Temp” is displayed, Input a temperature
[Temperature] : Test
T :[target value]
you would like to set with the “arrow keys( )”. C
:[current
value]
It will be displayed on the bottom line.
on/off
Laser Diode Test
“Diode On” is displayed, when the laser diode is on.
Ld On(Off)
On the other case “Diode Off” is displayed.
Laser Ready Test
“Laser Leady” is displayed, When the Laser
Laser Leady (Error)
Scanning Unit is ready to print. On the other case
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 ...