Canon imagePRESS C10000VPSeries Troubleshooting Manual page 35

4) Select [Adjust Primary Transfer Voltage] and press [Change].
[Reference] In case [Adjust Primary Transfer Voltage] is not displayed on the control panel, go to Service Mode > Mode List >
COPIER > Option > DSPLY-SW > change the setting value of IMGC-ADJ to [1]. The default value is [0].
5) Confirm that [Adjust Primary Transfer Voltage] screen is displayed.
6) Press [-] button of "black" of the primary transfer voltage to change the correction value [a] to [-5] and press [OK].
[Reference] The setting range is from [-10] to [+10] (default : 0). Changing the setting value will change the primary transfer
voltage.
[Attention] Changing this setting value may cause the decreased primary transfer voltage and Bk image fault (decreased density,
mottled blank on image, etc.).
7) Output the image that caused the symptom and confirm that the symptom does not occur.
If the symptom is not improved, please check other factors.
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