Service manual

FrameMaker Ver5.5E(PC) CF3102/CF2002 TROUBLESHOOTING
02.06.13
T- 5 3
(45) C0F36: Abnormally low toner density detected Cyan ATDC Sensor
(46) C0F37: Abnormally high toner density detected Cyan ATDC Sensor
<Detection Timing>
<Action>
C0F36
C0F37
Malfunction Code Description
C0F36
Toner density that is 3% or more lower than the target level is
detected ten consecutive times while the Developing Unit is being
energized during a print cycle, ATVC, or image stabilization
sequence.
C0F37
Toner density that is 4% or more higher than the target level is
detected ten consecutive times while the Developing Unit is being
energized during a print cycle, ATVC, or image stabilization
sequence.
Relevant Electrical Parts
IU Bk Toner Replenishing Motor C/Bk (M9)
IO Board (PWB-IO)
PIC Board (PWB-PIC)
Step Action
Ref.
Page
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1
Perform image troubleshoot-
ing procedure if image density
is low.
T- 9 1 ——
2 M9 operation check T-3
PWB-IO PJ13IO-10 to 13
(Pulse Output)
10-A
3 Change IU Bk. —— —
4 Change PWB-IO. —— —
5 Change PWB-PIC —— —
Step Action
Ref.
Page
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1
Correct the ATDC connection
ontheundersideoftheIUif
faulty.
—— —
2
Clean or correct each contact
of the IU if faulty.
—— —
3 Change IU Bk. —— —
4 Change PWB-IO. —— —
5 Change PWB-PIC —— —