Oki S900 - Manual (Page 52)

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20031-20039 Printer profile error Check the printer profile version and printer model
name.
Update the printer profile. (See Appendix C.)
20041-20049 Scanner error Check the S900 or reset the S900 if required.
If the code still appears, contact your Oki dealer.
CAUTION!
Always confirm that ON-LINE is displayed on the operator panel LCD of
the printer before switching on the S900.
Info code Meaning Action required