Samsung ML-6060 Specifications Page 28

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  • TROUBLESHOOTING
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Troubleshooting
4-3Samsung Electronics
Repair or replace the GND
terminal.
Check the path between
video controller, engine board
and HVPS. Repair or replace
the defective component
or board.
The mirror in LSU might be misplaced so the light
path to the OPC deviates ->Repair or replace LSU
or remove any defective matters in the machine.
No image?
Is the OPC
terminal of machine
well-connected
to Frame?
Does the
video data line to
LSU transit to High/Low
when printing?
A on
next page
NO
NO
NO
Repair or replace he
GND terminal
Is the
OPCshaft of crv
well-connected to
GND terminal
NO
YES
YES
YES
YES
4-3 Print Quality
4-3-1 No Image
Notice
In the ML-6060 Series system, the Developing/Supplying bias is set to decrease by -50V increments when
the system load is over the specified value. Therefore, if you check the bias without the toner cartridge, the
system load is recognized to be infinity and Developing/Supplying bias decreases by by -50V increments.
At the first warm-up after the printer is powered on and then off, the software does not have the data on
system load, so the Developing/Supplying bias measures -500V/-650V, the basic voltage.
And, from the second warm-up and on, the software has the data on system load, so the bias measures
-450V/-600V, which is less -50V than the basic voltage.
Without cartridge First Warm-up Second Warm-up
Developing Bias -500V -450V
Supplying Bias -6500V -600v
Download Service Manual And Resetter Printer at http://printer1.blogspot.com
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