Specifications
4-15
Symptom Step Check Item Result Action
4
Is PPS1 fully operational?
Check the input data using I/O
Check.
YES Perform steps 6 and onward.
YES
Change PWB-A (LCC), PWB-
A (Paper feed unit), or PWB-A
(Cassette Main Board), in that
order.
5
Does the voltage across
CN3A-2 on PWB-A (LCC) and
GND change from LOWto
HIGHwhen PPS1 is blocked?
NO Change PPS1.
6
Is paper fed up to S1 when
paper is loaded in Lift 2 only
and the drawer is slid into the
copier?
YES Perform steps 8 and onward.
YES
Check various parts for
possible overload and, if they
are okay, change P2CL.
7
Check P2CL for operation.
Does the voltage across
CN7A-6 on PWB-A (LCC) and
GND change from DC24V to
DC0V when step 6 is
performed again?
NO
Change PWB-A (LCC), PWB-
A (Paper feed unit), PWB-A
(Cassette Main Board), or
PWB-A, in that order.
8
Check P1CL for operation.
Does the voltage across
CN7A-8 on PWB-A (LCC) and
GND change from DC24V to
DC0V when step 6 is
performed again?
NO
Change PWB-A (LCC), PWB-
A (aper feed unit), PWB-A
(Cassette Main Board), or
PWB-A, in that order.
9
Is S1 fully operational?
Check the input data using I/O
Check.
Does the “S1S” input signal
change from 0 to 1 when the
drawer loaded with paper is
slid into the copier?
YES Perform steps 11 and onward.
YES
Change PWB-A (LCC), PWB-
A (Paper feed unit), or PWB-A
(Cassette Main Board), in that
order.
10
Does the voltage across
CN3A-5 on PWB-A (LCC) and
GND change from LOWto
HIGHwhen step 9 is
performed again?
NO Change S1.
11
Is the Paper Feed Roll or
Separator Roll deformed,
worn, or dirty with paper dust?
YES
Clean or change the Paper
Feed Roll or Separator Roll.
YES
Check various parts for
possible overload and, if they
are okay, change P1CL or
BCL.
•
Paper is not
taken up at
all.
•
Paper is at a
stop before
the Paper
Feed/Separat
or Rolls.
12
Check BCL for operation.
Does the voltage across
CN7A-2 on PWB-A (LCC) and
GND change from DC24V to
DC0V when the Start key is
pressed?
NO
Change PWB-A (LCC), PWB-
A (Paper feed unit), PWB-A
(Cassette Main Board), or
PWB-A, in that order.