Specifications

∗
C0070, C0071
Step Check Item Result Action
1
Do as described below to check whether
M14 rotates:
 
1) Open the Upper Front Door and turn the
Toner Bottle slightly toward you.
2) Turn the Power Switch OFF and ON.
3) Does the Toner Bottle turn when the
Upper Front Door Setting Sensor is
blocked?
NO
•
To Step 3.
2
Does the Toner Bottle stop after turning? YES
•
Change PWB-A.
NO
•
Change PC30.
3
Do as in Step 1 again. Is the voltage across
PJ4A-1 on PWB-A and GND DC0V?
 
4
Do as described below to check whether
power is supplied to M14:
 
1) Remove and free the control panel.
2) Unplug CN133 (9P).
3) Do as in Step 1. Is the voltage across
CN133-6 and -7 AC12V?
YES
•
Change M14.
NO
•
Change PWB-O.
∗
C0072
Step Check Item Result Action
1
Is the amount of toner in the Sub Hopper so
low that the system detects a toner-empty
condition?
NO
•
To Step 3.
2
Do as described below to check the input
signal from S8 on detection of a toner empty
condition:
 
1) Select "IC Port Data Check".
2) Is the data of BPC3 on PWB-A (IC4A)
" "? (See the 2/8 screen on T-7.)
YES
•
Change S8.
NO
•
Change PWB-A.
3
Check the output signal to M15 as described
below:
 
1) Select "IC Port Data Check".
2) Is the data of APC5 on PWB-A (IC4A)
"0"? (See the 1/8 screen on T-7.)
YES
•
Change M15.
NO
•
Change PWB-A.
L
T-77