Oki B4545 MFP - Manual (Page 129)

Maintenance
130
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Insert chip card (supplied with the toner cartridge) into the card reader
ensuring that the chip is entered as shown in the drawing below.
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The following is displayed on the scanner control panel screen:
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Press OK.
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Once the chip card has been read, the display shows:
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Remove the card.
Caution - If the following is displayed, check that you have inserted the chip card
the right way up:
Caution - If the following is displayed , get out your card and insert it in the other
way up, following the green arrow.
CHANGE TONER ?
YES= OK - NO= C
TONER OK
REMOVE CARD
CANNOT READ CARD
REMOVE CARD
CANNOT READ CARD
CHECK WAY UP
Green Arrow