Function 05 200Pwm Density Auto Correction - Oce 3121 Technical & Service Manual

*4* FUNCTION 05 200PWM Density Auto Correction

You must execute this mode in combination with PD density auto correction
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and 600PWM density auto correction.
Item
200PWM density
auto correction
A, B, and D are approximate values so that optimum images may still be
Note:
obtained even if the values are outside the range; you may omit "temporary
remedy" as long as the images are optimum.
48 TSM Océ 3121
Description
1) Start '200PWM PRINT'.
A 15-gradation test pattern will be generated.
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2) Place a pile of 5 white sheets on the glass platen.
Then, start 'WHITE MEASURE'.
The scanner makes a single scan.
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3) Place the 15-gradation test sheet on the glass
platen. Then, start 'DENSITY MEASURE' .
4)Check the values under A, B, and D:
20 <= A <=50
–40 <= B <= 40
0 <= D <= 8
5)If the values are as indicated, press 'DATA SET'
to highlight, and press the OK key.
Remarks
A, B or D not
OK:
suspect:
drum unit
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scanning
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lamp
laser unit
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composite
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power sup-
ply
analog
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processor
PBA
image proc-
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essor PBA
See note
SDS Description