Adjustments; Setting Of Led Print Head Drive Time - Oki B 4100 Maintenance Manual

5.

ADJUSTMENTS

5.1

Setting of LED Print Head Drive Time

• Adjustment point:
* To bring the LCD up to Technical Function, press SELECT FUNCTION key once, COPY key twice
and "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 used
LED 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:
0
MSB
Setting
0
0
0
Rank
LSB
Marking
0
291 – 313
269 – 290
248 – 268
229 – 247
212 – 228
196 – 211
181 – 195
168 – 180
155 – 167
143 – 154
132 – 142
122 – 131
113 – 121
105 – 112
100 – 104
Note1: The luminous intensity ranking is determined by the first, second and third digits from the right in
the 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 used
LED print head (old part), you do not always have to set the LED print head width by technical
function No.28. (Refer to table 2.9.1, TF No.28)
40055101TH Rev.4
Technical Function No. 27.
Table 5.1.1 Setting of Technical Function No. 27
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 1 1 1
0 0 0 1 1 1 1 0 0 0
0 1 1 0 0 1 1 0 0 1
1 0 1 0 1 0 1 0 1 0
*
*
0 0 0 0 0 1 1 1 1 1
1 1 1 1 1 0 0 0 0 0
0 1 1 1 1 0 0 0 0 1
1 0 0 1 1 0 0 1 1 0
1 0 1 0 1 0 1 0 1 0
*
*
*
*
*
*
*
*
*
*
1 1 1 1 1 1 1 1 1 1
0 0 0 1 1 1 1 1 1 1
1 1 1 0 0 0 0 1 1 1
0 1 1 0 0 1 1 0 0 1
1 0 1 0 1 0 1 0 1 0
*
*
*
1
1
1
1
1
199 /