Process Control Results
SM Appendix 4-1 M065/M066
Appendix:
Process
Control Error
Conditions
4. APPENDIX: PROCESS CONTROL ERROR
CONDITIONS
4.1 PROCESS CONTROL RESULTS
4.1.1 DEVELOPER INITIALIZATION RESULT
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.
1. Do the developer initialization again
when done in SP mode. Reinstall the
engine main firmware if the result is
the same.
2. 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
8 Vcnt error 2
Vt is more than 0.7V
when Vcnt is 4.3V and
Vcnt is less than 4.7V
when Vcnt is Vt target
1. Make sure that the heat seal on the
development unit is not removed.
2. Defective TD sensor