Lexmark MB2236 User Manual page 101

Troubleshoot a problem
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Do not slide paper into the tray. Load paper as shown in the illustration.
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Make sure that the paper guides are positioned correctly and are not pressing tightly against the paper or
envelopes.
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For two-sided printing on A4‑size paper, make sure that the paper size setting in the duplex unit is set to
A4.
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For two-sided printing on letter‑, legal‑, Oficio‑, or folio‑size paper, make sure that the paper size setting in
the duplex unit is set to Letter.
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Push the tray firmly into the printer after loading paper.
Use recommended paper
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Use only recommended paper or specialty media.
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Do not load paper that is wrinkled, creased, damp, bent, or curled.
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Flex, fan, and align the paper edges before loading.
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Do not use paper that has been cut or trimmed by hand.
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Do not mix paper sizes, weights, or types in the same tray.
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Make sure that the paper size and type are set correctly on the computer or printer control panel.
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Store paper according to manufacturer recommendations.
Identifying jam locations
Notes:
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When Jam Assist is set to On, the printer flushes blank pages or pages with partial prints after a jammed
page has been cleared. Check your printed output for blank pages.
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When Jam Recovery is set to On or Auto, the printer reprints jammed pages.
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