High Capacity Stacker
Delivered Sheets Are Severely Curled
Cause:
Sheets with downward curls cause strong friction on the leading edges. This may result in paper
misfeeds. Sheets will not be ejected completely and the trailing edges will be left inside the paper exit.
If this happens, other sheets may slip under the delivered sheets, so that the delivered sheets may be
curled when loaded.
This may occur if:
• A4 or larger coated paper weighing up to 135 g/m
2
(50 lb. Cover) is used.
• When using the thin paper with a thickness of Paper Weight 1.
<How the problem occurs>
1. Downward curled paper is delivered to the stacker tray.
Paper feed direction
Stacker shift tray
Paper exit
Paddle
CEZ573
2. The leading edge of the sheet, while delivered, causes strong paper-to-paper friction against
the top sheet of the stack. As there is no air gap between the sheets, and the delivered sheet
becomes stuck.
Paper feed direction
Stacker shift tray
Paper exit
Paddle
CEZ574
9. Post-Processing Option Troubleshooting
302
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