Minolta Di551 Service Manual page 508

Warning
Classification
Code
By-pass feed F18-60 PS34 (tray upper limit/BP) or PS35
(tray lower limit/BP) does not turn ON
within 10 seconds since the upward
or downward motion triggered by
activating M20 (up/down/BP) has
started while PS34 or PS35 is turned
OFF.
Wire clean- F21-01 The lock signal for M14 (charger
ing abnor- cleaning) is not detected when more
mality than 25 seconds have passed since
the return motion (back to front) of
M14 has started.
F21-02 The lock signal for M14 (charger
cleaning) is detected within 2 sec-
onds since the return motion (back to
front) of M14 has started.
F21-03 The lock signal for M14 (charger
cleaning) is not detected when more
than 25 seconds have passed since
the return motion (back to front) of
M14 has started while re-try process
is in motion after lock detection.
F21-05 The lock signal for M10(transfer/sep-
aration cleaning) is not detected
when more than 25 seconds have
passed since the return motion (back
to front) of M10 has started.
F21-06 The lock signal for M10 (transfer/sep-
aration cleaning) is detected within 2
seconds since the return motion
(back to front) of M10 has started.
F21-07 The lock signal for M10 (transfer/sep-
aration cleaning) is not detected
when more than 25 seconds have
passed since the return motion (back
to front) of M10 has started while re-
try process is in motion after lock
detection.
Cause Machine response
No error code is dis-
played on the opera-
tion panel. The code is
registered in data col-
lection.
The machine stops
immediately and turns
OFF RL1 (main).
4-39
ELECTRIC PARTS LIST
Estimated
abnormal parts
M20 (up/down/BP)
PRCB (printer control board)
PS34 (tray upper limit/BP)
PS35 (tray lower limit/BP)
M14 (charger cleaning)
PRCB (printer control board)
M14 (charger cleaning)
PRCB (printer control board)
M10 (transfer/separation
cleaning)
ADUDB (ADU drive board)
PRCB (printer control board)