Specifications

C0992, C0993
Step Check Item Result Action
1
Slide out the 3rd Drawer and check the 3rd
Drawer Tray Lower Position Sensor PC46
as described below:
 
1) Select "IC Port Data Check".
2) <Metric Areas>
Is the data of PB0 on PWB-F (3MJ)
(IC2F) " "?
(See the 5/8 Screen on T-7.)
<Inch Areas>
Is the data of PB0 on PWB-F (3MC)
(IC2F) " "?
(See the 6/8 Screen on T-7.)
NO
Check that the Main Tray is in
the lowermost position.
3) With the 3rd Drawer slid out, lift up the
Main Tray to unblock PC46.
 
4) Select "IC Port Data Check" again.
<Metric Areas>
Has the data of PB0 on PWB-F (3MJ)
(IC2F) changed from " " to " "?
<Inch Areas>
Has the data of PB0 on PWB-F (3MC)
(IC2F) changed from " " to " "?
YES
Change PWB-F or PWB-A.
NO
Change PC46/PWB-H.
C0994
Step Check Item Result Action
1
Does the 3rd Drawer Elevator Motor M27
rotate when the Drawer Paper Descent Key
is pressed? (Does the Main Tray descend?)
YES
To Step 3.
2
When the 3rd Drawer is slid in or the Drawer
Paper Descent Key is pressed, does the
voltage across PJ15F-3 (ascent)/-4
(descent) on PWB-F and GND change from
DC0V to DC24V?
YES
Change M27.
Check PWB-H
NO
Change PWB-F or PWB-A.
3
While M27 is rotating, does the voltage
across PJ13F-3 on PWB-F and GND
change in the range DC0V to DC5V?
YES
Change PWB-F or PWB-A.
NO
Check the Pulse Discs, Gears,
etc.
Change PC44.
L
L H
L
L H
T-105