40055101TH Rev.4 199 /5. ADJUSTMENTS5.1 Setting of LED Print Head Drive Time• Adjustment 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:RankMarkingSetting MSBLSB0000000001000100001100100001010011000111010000100101010010110110001101011100111111111111101110111100110111101011001110001011110110101011010010011100101000110000291 – 313269 – 290248 – 268229 – 247212 – 228196 – 211181 – 195168 – 180155 – 167143 – 154132 – 142122 – 131113 – 121105 – 112100 – 104***************Table 5.1.1 Setting of Technical Function No. 27Note1: 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.)Note2: When the head label 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 width by technicalfunction No.28. (Refer to table 2.9.1, TF No.28)
