Konica Minolta BIZHUB 501 Service Manual page 386

Field Service Ver.2.0 Mar. 2009
Classification Code
Abnor- C-2401
mality
around
the drum
C-2402
Toner C-2403
bottle
abnor-
mality
High C-2701
voltage
power
source
abnor-
mality
C-2702
C-2703
C-2801
C-2802
Causes
High machine inside temperature
abnormality.
When the temperature around the
drum is above 58 °C
Erase lamp (EL) connector slip-off
abnormality.
When EL turns ON before starting
an initial charging, EL abnormality
has been detected 15 times in
succession at prescribed intervals
after a specified period of time.
Toner bottle phase detection
abnormality.
While in the power switch (SW2)
ON, the toner bottle position sen-
sor (PS28) does not turn ON
within a specified period of time
after the toner bottle motor (M10)
turns ON.
Charging abnormality.
An error signal is detected 5
times in succession at pre-
scribed intervals.
Transfer lightning abnormality.
There occurs a phenomenon 5
times in a job, in which an error
signal is detected 3 times in suc-
cession at prescribed intervals.
Separation lightning abnormality.
There occurs a phenomenon 5
times in a job, in which an error
signal is detected 5 times in suc-
cession at prescribed intervals.
TCR output abnormality.
When the TCR output is in
excess of 3.0 V.
TCR output abnormality.
When the TCR sensor (TCRS)
maximum output is 1.0 V or less.
13. MALFUNCTION CODE
Resulting Estimated abnormal parts
operation
The main body TCR sensor (TCRS)
stops immedi- Printer control board (PRCB)
ately to turn OFF
the main relay
(RL1).
Erase lamp (EL)
Printer control board (PRCB)
Toner bottle motor (M10)
Toner bottle position sensor
(PS28)
Printer control board (PRCB)
If there is a
Charging corona
sheet of paper High voltage unit (HV)
being printed, Printer control board (PRCB)
the main body
completes the
paper exit to
stop opera-
tions. The main
relay (RL1) turns
OFF.
The main body Transfer/separation charger
stops immedi- High voltage unit (HV)
ately to turn OFF Printer control board (PRCB)
the main relay
(RL1).
TCR sensor (TCRS)
Printer control board (PRCB)
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