Lexmark MS310 User Manual page 122

Troubleshooting
Replace unsupported imaging unit [32.xy]
‑ On
‑ On
‑ On
‑ Blinking
If the printer control panel light sequence matches the light sequence in the preceding illustration, then remove the
imaging unit, and then install a supported one. For more information, see the instruction sheet that came with the
supply.
Note: If you do not have a replacement imaging unit, then see the "Ordering supplies" section of the User's Guide or
visit www.lexmark.com.
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