Oki 4M - Manual (Page 65)

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4.1.2 Engine Maintenance Utility
See Appendix D.
4.2 Adjustment When Replacing a Part
The table below lists the parts that requires adjustment when they are replaced.
Luminous intensity display
070
314
Figure 4-2
Part to be Replaced Adjustment
LED head
EP unit Reset the drum counter. (Refer to "User's Manual".)
Set the LED head drive time.
Set the LED head dot count.
Main control board Upload or download EEPROM data.
4.2.1 Setting LED Head Drive Time
Caution: When the liminous intensity of a new LED head is the same as that of the old LED
head, do not set the LED head drive time.
Use “LED Head Making No.” in the engine menu tab of the maintenance driver to set the luminous
intensity displayed on the LED head as the LED head drive time. (See Figure 4-2.)
• Luminous intensity of LED head
The last three digits indicate
the luminous intensity of the
LED head.