11.Image Quality Problem: Full Page
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read as "white".
Note that "Solution 4" does not work when the Toner Interchange Unit is installed.
Solution 1 (Adjusting the Image Transfer Output for Black)
Increase the black image transfer current in the FC mode.
Depending on the paper, changing the image transfer output just by +1 notch may not be
enough to obtain a recognizable effect. If necessary, change the value by up to +5 notches from
the default value and see if any improvement is made. If any improvement is made, further