2. Test Mode
•
This mode allows the Tech. Rep. to perform various functional tests and adjustments.
Description of Each Test
Multi-
Copy
Key
Description Setting Procedure
Mag.
Ratio
Indicator
Multi-
Copy
Display
1
•
Paper passage test
It is carried out in the
normal mode and in a
load OFF mode in which
the Exposure Lamp,
Developing Bias, Corona
Units, and Erase Lamp
are turned OFF.
It checks the copier parts
for operation.
1.
2.
Press the Start Key to start the test in
either the normal (load ON) mode (the
Zoom Ratio Indicator showing "ON")
or the load OFF mode (Zoom Ratio
Indicator showing "OFF").
Press the Stop Key to stop the test.
Or, the test is stopped when the
paper port runs out of paper.
•
ON
F1
•
OFF
2
•
Adjustment of output for
Drum Charge and Image
Transfer Coronas
The output should never
be adjusted as it is only
for factory setting.
——— F2
3
•
Exposure Lamp voltage
adjustment
This test allows the Tech.
Rep. to adjust the
maximum Exposure
Lamp voltage and the
optimum exposure
setting in the Manual
Exposure Mode.
•
Maximum Exposure Lamp voltage
adjustment
•
Lamp
voltage
L50
F3
1.
2.
3.
Connect a multimeter to the Lamp
Voltage Test Terminal.
Press the Full Size key to select the
Maximum Exposure Lamp adjustment
mode and press the Start key to start
the test.
Adjust to obtain AC 81V using the
Zoom Up/Down Keys.
(initial
setting)
•
The Exposure Lamp
lights up and the Scanner
moves a distance of
about 20 mm from the
edge of the original and
stops.
1.
2.
Select the optimum manual exposure
mode using the Full Size Key. (The
mode can be selected while the test is
being run.)
Adjust the value using the Zoom
Up/Down Keys.
4
•
Adjustment of output for
Paper Separator Corona
The output should never
be adjusted as it is only
for factory setting.
——— F4
•
Optimum exposure setting adjustment.
•
The test runs for 30 sec.
(initial
setting)
18 to 81
(Adjusting
range)
*
Use the Zoom Up/Down Keys to
select the load ON or load OFF
mode.
*
Check for correct adjustment by
making sample copies.
*
Make the "optimum exposure setting
adjustment" after the "maximum
Exposure Lamp voltage adjustment."
•
Exposure
setting
50
S-5