5WRJ-027
Density level of the image appears different on the tail edge of paper
Paper feeding speed at the secondary transfer section is inappropriate. Adjust the paper realignment speed toward the plus end.
← Feeding Direction
Remedy
Adjusting the paper realignment speed may improve the situation.
IMPORTANT
This function is displayed only if the settings are made available by your local authorized Canon dealer. Even if this function is displayed, do not allow anyone to change the settings except for the system manager. For more information on changing the settings, contact your local authorized Canon dealer.
Press 
→ <Preferences> → <Paper Settings> → <Paper Type Management Settings> → select the problematic paper type → <Details/Edit> → <Change> for <Adjust Paper Realignment Speed>.
→ <Preferences> → <Paper Settings> → <Paper Type Management Settings> → select the problematic paper type → <Details/Edit> → <Change> for <Adjust Paper Realignment Speed>.
"Maintenance" > "Paper Type Management Settings" in the User's Guide > see the subsection "Adjust Paper Realignment Speed"