Page: 87Service Manual for OF5300/5600Chapter 5 AdjustmentsAdjustment point: Technical Function No. 27.* To bring the LCD up to Technical Function, press SELECT FUNCTION key once, COPY key twiceand "2" key (In case of no message in memory).Note: When the rank marking of the replaced LED print head (new part) is the same as that of the usedLED print head (old part), you do not always have to set the LED print head drive time.Adjustment:1) Turn AC power ON.2) Setting of LED print head should be according to the Table 5.1.1 below:Note:The luminous intensity ranking is determined by the first, second and third digits from the right inthe LED print head (i.e. in ---XX122, 122 is the luminous intensity ranking.)This adjustment should be made whenever the main control board (R44 PCB) or LED Head arereplaced.In addition, this setting should be verified on initial unit install, or whenever firmware is updated.Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
