43XC-04E
Coarse Image is Output, or Stripes Parallel to the Feeding Direction Appear
The speed of the secondary transfer belt is not suitable. Adjust the speed of the secondary transfer belt.
Coarse image is output.
← Feeding Direction
Stripes parallel to the feeding direction appear.
← Feeding Direction
Remedy
To improve this situation, adjust the value for <Adj. Sec. Transfer Belt Speed> to match the specific characteristics of the paper. Also adjust the value according to whether the situation is coarse image or streaks.
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 type of paper you are using that is having this problem → press [Details/Edit] → [Change] for <Adj. Sec. Transfer Belt Speed> to change the speed of the secondary transfer belt.
→ [Preferences] → [Paper Settings] → [Paper Type Management Settings] → select the type of paper you are using that is having this problem → press [Details/Edit] → [Change] for <Adj. Sec. Transfer Belt Speed> to change the speed of the secondary transfer belt.For the coarse image, adjust the value toward the plus end. For the streaks, adjust the value toward the minus end.
"Paper Type Management" > "Adjusting Secondary Transfer Belt Speed" in the User's Guide