Cause:
Horizontal black streaks might occur at the position 270 mm from the leading edge of the paper due to
the shock when the paper is inserted being transmitted to the paper transfer part.
This may occur if:
• When printing on a paper with length longer than 270 mm
• Thick paper is used
• Printing a halftone image
• To adjust the following settings, pre-register the type of paper in use as a custom paper. For details
about registering custom papers, see "Registering a Custom Paper", Preparation.
Solution:
1. Can you change the paper length to 270 mm or less?
Yes Go to the next step.
No Go to Step 3.
2. Print a paper with length of 270 mm or less. Is the problem resolved?
Yes Finished!
No Contact your service representative.
3. Select [Machine: Paper Feed / Output] in [Advanced Settings] for the custom paper in use
and check the set value of [Fusing Belt] in 1351: [Motor Speed].
4. Decrease the value by 0.1% in [Fusing Belt].
5. Print the image. Is the problem resolved?
Yes Finished!
No Repeat Steps 4 to 6. If the problem persists even though you have lowered the setting
value to -0.4%, go to step 7.
6. Select [Machine: Paper Feed / Output] in [Advanced Settings] for the custom paper in use
and check the set value of [Process Speed Setting] in 1351: [Motor Speed].
7. Decrease the value of [Process Speed Setting]. Is it okay that productivity will be
reduced?
Yes Go to the next step.
Density Problems
61
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