Process Control Error Conditions
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
±0.2V.
1. Make sure that the heat seal on the
development unit is not removed.
2. Defective TD sensor
9
Vcnt error 3 Vcnt is less than 4.7V.
1. Make sure that the heat seal on the
development unit is not removed.
2. Defective TD sensor
3. Vt target settings are not correct.
4. Toner density error
6. Troubleshooting
700
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