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Comparing SPs 3801 and 3811
! SP 3801 initializes the TD sensor for the new developer.
! SP 3811 does the same, but it also sends toner to the sub
hopper of the PCU, covers the drum with a layer of toner
(to prevent the cleaning blades from flipping, or damaging
the drums), and does process control. It takes about 4.5
minutes.
! During installation, and after replacing the PCU, we use SP
3811.
! After replacing developer only, we use SP 3801.
! After using SP 3801 or 3811, do not use them again until
the next time you replace the developer. Otherwise, you
will cause toner scattering inside the machine. To cure this,
you must replace the developer.
! Only use the SP modes for initializing the TD sensor at the
times stated in the service manual.
Slide 99
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99
V-C3 Training
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