Oki ML490 Maintenance Manual - Page 110
Replace print Head.
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6 Faint or dark print Is the print head gap set properly? Yes No Adjust the print head gap (see section 5) Remedied? No Yes End Replace print Head. Remedied? No Yes End Replace Control Board Remedied? No Yes End Replace ribbon feed mechanism 42114101 Rev.1 110 /
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42114101
Rev.1
110 /
6
Faint or dark print
Is the print head gap set properly?
Yes
No
Adjust the print head gap (see section 5)
Remedied?
No
Yes
End
Replace print Head.
Remedied?
No
Yes
End
Replace Control Board
Remedied?
No
Yes
End
Replace ribbon feed mechanism