Black page (the whole printed manuscript is black).

Time:

Nov 14,2023

Source:

Author:

Reason:The corona wire is broken; the primary charge roller is not assembled or not assembled properly; the contact between the conductive rack or conductive steel sheet of the primary charge roller is poor.

Solution:Replace the corona wire; reassemble the primary charge roller; reassemble the conductive rack or conductive steel sheet of the primary charge roller and check the conductive contact point inside the machine.