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45584901TH Rev.1

4-2 /

Oki Data CONFIDENTIAL

4.1.2 Performing density correction

(1) Whenanyofthefollowingpartsisreplaced,besuretoperformthe“Performingofdensity

correction (05-4905)” procedure.

• Drumunit

• Transferbeltunit

Notes:

Whenperforming“Automaticgammaadjustment”inaddition,“Performingofdensity

correction (05-4905)” should be done ﬁrst.

(2) Whenperforming“Automaticgammaadjustment”incasesnopartswrittenaboveare

replaced,dothe“Performingofdensitycorrection(05-4905)”procedurebefore“Automatic

gamma adjustment”.

Code Item to be adjusted Contents

4905 Performing of density

correction

1.Whilepressing[0]and[5]simultaneously,turnthe

power ON.

→

Adjustment Mode

2.Keyin[4905]andpressthe[START]button.

3.“WAIT”isdisplayed.

4.Whentheadjustmentnishesnormally,theequipment

returns to the initial state of Adjustment Mode.

Whenanerroroccurs

Take the appropriate action described in Troubleshooting.



P.5-1"5.ERRORCODEANDTROUBLESHOOTING"

Oki MC770 Maintenance Manual

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