Specifications

Step Check Item Result Action
1
Do as described below to check whether the
Exposure Lamp LA1 turns ON:
 
1) Reset the malfunction.
2) Select "IC Port Data Check".
3) By changing the data of BPA0 on
PWB-A (IC5A) from "1" to "0", does LA1
turn ON? (See the 2/8 screen on T-7.)
YES
•
To Step 7.
2
By making a "Board Check" in "I/O Check",
is C0300 displayed?
YES
•
Change PWB-A.
3
Unplug PJ2L (3P) from PWB-L. Is there
continuity across 1 and 3 on the LA1 side?
YES
•
To Step 5.
4
Is there continuity across TF1? YES
•
Change LA1.
NO
•
Reset TF1.
*
Note that after reset has been
made, Step 7 must be executed
and PU5 and the Optical
Section Cooling Fan Motor
checked.
5
Is there continuity across PJ2L (3P) and
PJ1L (3P) on PWB-L?
NO
•
Change PWB-L.
6
Is the voltage across PJ4-1 and -3 on PU5
the power supply voltage AC100V?
YES
•
Change PU5.
NO
•
Check the power supply line.
7
Is the voltage across PJ2A-3 and GND 4.0V
or less when the Power Switch is turned ON
or the copier is in the standby state?
YES
•
Clean the AE Sensor or change
PWB-H.
NO
•
Change PWB-A.
T-86