Process Control Error Conditions
SM 4-1 G133
Trouble-
shooting
4. TROUBLESHOOTING
4.1 PROCESS CONTROL ERROR CONDITIONS
4.1.1 DEVELOPER INITIALIZATION RESULT
The displayed number shows the results of the TD sensor check for all 4 colours.
0000 = YCMK
SP-3-014-001 (Developer Initialization Result)
No. Result Description Possible Causes Action
1
Successfully
completed
Developer
initialization is
successfully
completed.
- -
2
Forced
termination
Developer
initialization
was forcibly
terminated.
A cover was opened
or the main switch
was turned off during
the initialization.
When done in SP mode, do
the developer initialization
again. Reinstall the engine
main firmware if the result
is the same.
Turn the main switch off
and on when done at unit
replacement.
6 Vt error
Vt is more
than 0.7V
when Vcnt is
4.3V.
1. Make sure that the heat seal on the
development unit is not removed.
2. Defective TD sensor
7 Vcnt error 1
Vcnt is less
than 4.7V
when Vcnt is
Vt target ±
0.2V.
1. Defective TD sensor
2. Vt target settings are not correct.
3. Toner density error
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