The 'Jam' Display Remains On; The 'Add Toner' Display Remains On - Oce 3121 Technical & Service Manual

57 The 'Jam' display remains ON.

Cause Step
Jam 1
Sensor 2
DC control
PBA

58 The 'Add Toner' display remains ON.

Cause Step
Stirring 1
spring
Toner sensor 2
DC control
PBA
ed.2
Checks
Is there paper around the sen-
sor which has turned on?
(Check by referring to the
jam code in service mode
(*1*; JAM).)
Inspect the sensor, identified
by the jam code (* 1 *).
Checks
Remove the developing
assembly. Is the spring used
to stir the toner around the
toner sensor (TS1) installed
correctly?
Replace the toner sensor. Is
the problem solved?
Yes/No Action
Yes
Remove all paper.
No Replace the sensor.
Yes Replace the DC control
PBA
Yes/No Action
Yes Refit it.
Yes End.
No Replace the DC control
PBA
Trouble shooting 47