5-5
Confidential
1.4.2 Printout of scanning compensation data (Function code 05)
<Function>
The machine prints out the brightness level data for scanning compensation.
<Operating procedure>
(1) For white and black scanning, copy the document. For color scanning, implement color
copy of the document.
(2) Press the 0 and 5 buttons in this order in the initial state of the maintenance mode. The
"1. Front 2. Back" will appear on the LCD.
(3)
When the 1 button or 2 button is selected, the equipment prints out the scanning
compensation data list
(Refer to
Fig. 5-1
,
Fig. 5-2
,
Fig. 5-3
and
Fig. 5-4
) containing the
following:
■ Black and white/color scanning (First side) (Front)
Note:
-
Be sure to execute this operating procedure not immediately after the power is turned
ON, but
after conducting the document scanning operation at least once in duplex
scanning.
Since the machine initializes the
brightness level data
and obtains the standard
value for document scanning compensation when starting scanning the document, the
correct data for compensation cannot be printed out even if this operation is implemented
without scanning the document.
- The print result varies depending on whether implementing color scanning or black and
white scanning immediately before this operating procedure. Make sure the brightness
level data you want to print and implement the operation below.
Note:
In the case of the black and white scanning, the output data (B) and (R) are invalid.
a) Black and white data graph by previous scanning pixel count
b) LED CURRENT DATA 1 Byte
c) LED pulse data 1(UP) (G) 2 Bytes
d) LED pulse data 1(DOWN) (G) 2 Bytes
e) LED pulse data 1(UP) (B) 2 Bytes
f) LED pulse data 1(DOWN) (B) 2 Bytes
g) LED pulse data 1(UP) (R) 2 Bytes
h) LED pulse data 1(DOWN) (R) 2 Bytes
i) LED pulse data 2(UP) (G) 2 Bytes
j) LED pulse data 2(DOWN) (G) 2 Bytes
k) LED pulse data 2(UP) (B) 2 Bytes
l) LED pulse data 2(DOWN) (B) 2 Bytes
m) LED pulse data 2(UP) (R) 2 Bytes
n) LED pulse data 2(DOWN) (R) 2 Bytes
o) OFFSET (AFE parameter) 1 Byte
p) GAIN (AFE parameter) 2 Bytes
q) Background color compensated data 1 Byte
r) Black level data by previous scanning pixel count
s) White level data (G) by previous scanning pixel count
t) White level data (B) by previous scanning pixel count
u) White level data (R) by previous scanning pixel count
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