Oce 3121, Technical & Service Manual

Page: 886 / 908

74 TSM Océ 3121 SDS Description
Adjusting the RDF Sensor/Cleaning the Belt
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This screen is effective only when an RDF is installed.
Item Function Description
SENS_ADJ Use it to execute auto
sensitivity adjustment for
the RDF sensor.
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Original sensor (S1)
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Registration sensor
(S3)
1) Press ‘SENS_SDJ’ to highlight.
2) Without any original on the RF’s original tray,
press the OK key.
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‘1’ will appear under ‘SENS_ADJ’, indicating
that automatic adjustment is being executed.
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If ‘1’ remains for 30 sec or more, suspect a fault in
the original tray sensor (S1), registration sensor
(S3), or RF controller.
3) If ‘0’ appears under ‘SENS_ADJ’, indicating
that the adjustment is over, press the Reset key
twice to leave service mode.
(The foregoing adjustment is the same as using
SW3 on the RF controller PCB.)
S_BCLN_T Use it to execute cleaning
of the separation belt for
upper separation.
1) Press the appropriate item (‘S_BCLN_T’ or
‘S_BCLN_B’) to highlight.
2) Set a sheet of copy paper whose centre has been
moistened with alcohol on the RDF’s tray.
3) Press the OK key.
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The sheet of copy paper will be picked up and the
separation belt will be rotated idly.
4)Press the OK key to end the operation.
5)Open the RF’s top cover, and remove the sheet of
copy paper.
Then, close the RF’s top cover.
The foregoing adjustment is the same as using bit 6
of DIPS1 on the RF controller PCB.
S_BCLN_B Use it to clean the separa-
tion belt for lower separa-
tion.