Epson WorkForce Pro WF-7820 All-in-One Inkjet Printer - Manual (Page 327)

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• When horizontal banding appears or the top or bottom of the paper is smeared, load paper in the
correct direction and slide the edge guides to the edges of the paper.
• When copying on thick paper, select a Thick Paper setting from the control panel ( Settings >
General Settings > Printer Settings > Thick Paper ). When this setting is enabled, copy quality may
decline and copy speed may decrease.
• If you see a ripple pattern in your printout and your original is a printed document, such as a magazine
or catalog, change the Reduce/Enlarge setting. If the ripple pattern still appears, place the original at
a slightly different angle.
• If the back of the original appears in your printout, place a piece of black paper on the back of the
original and copy it again. You can also try lowering the Density setting.
Parent topic: Solving Copying Problems
Position, Size, or Margins of Copies are Incorrect
If the position, size, or margins of your copies are incorrect, try these solutions:
• When placing originals in the ADF, make sure the edge guides are against the edges of the paper.
• When placing originals on the scanner glass, make sure the original is placed correctly for scanning.
Align the corner of the original with the corner indicated by the symbol on the scanner glass. If
necessary, move the original away from the edges of the scanner glass slightly.
• Clean the scanner glass and ADF.
• Make sure the paper is loaded in the correct direction.
• Select the appropriate Original Size in the copy settings on the LCD screen.
Parent topic: Solving Copying Problems
Solving Paper Problems
Check these sections if you have problems using paper with your product.
Paper Feeding Problems
Originals Do Not Feed From the Automatic Document Feeder
Paper Jam Problems
Paper Jam Problems in the Rear Cover
Paper Ejection Problems
Parent topic: Solving Problems