03/02 How to use the Diagnostic C/E Mode
WorkCentre Pro 423/428 2-155 CHAPTER 2 TROUBLESHOOTING
Chain Function Item Min. value Default Max. value Amount of
Change
Adjustment Remarks
Measurement)
21 60 Sharpness setup high resolution (text) 0 0 2 0:Normal 1:Sharp1 2:Sharp2
21 61 Sharpness setup high resolution (text/photo) 0 0 2 0:Normal 1:Sharp 2:Smooth
21 62 Sharpness setup high resolution (photo) 0 0 2 0:Normal 1:Smooth1 2:Smooth2
21 63 Sharpness setup medi. resolution (text/photo) 0 1 2 0:Sharp 1: Normal 2:Smooth
21 64 Sharpness setup medi. resolution (photo) 0 0 2 0:Normal 1:Smooth1 2:Smooth2
21 65 Sharpness setup low resolution (text/photo) 0 1 2 0:Sharp 1:Normal 2:Smooth
21 66 Sharpness setup low resolution (photo) 0 0 2 0:Normal 1:Smooth1 2:Smooth2
21 67 Sharpness setup high resolution (text/photo) DADF 0 0 2 0:Sharp 1:Normal 2:Smooth
21 70 IIT side edge regi. adjustment (Manual) Platen 32 128 255 Ch6-31 result input
21 71 IIT lead edge regi. adjustment (Manual) Platen 120 132 144 Ch6-30 result input
21 72 A4/A3 Selection (No Document Detection) 0 0 1 1:Select A4/A3 when document is unknown.
21 80 DADF lead edge regi. adjustment 0
-5mm
40
0mm
79
+5mm
0.127mm
21 81 DADF trail edge regi. adjustment 0
-4mm
31
0mm
63
+4mm
0.127mm
21 82 DADF side edge regi. adjustment 0
0mm
45
1.9mm
196
8.0mm
approx.
0.04mm
Offset value from platen registration point
21 83 DADF magnification adjustment in slow scan direction
(Copy)
0
-3.5%
35
0%
70
+3.5%
0.1%
21 84 DADF magnification adjustment in slow scan direction (FAX) 0
-3.5%
35
0%
70
+3.5%
0.1%
21 85 DADF STAMP SOLENOID ON time adjustment 5
5msec
10
10msec
40
40msec
0.001
21 86 DADF STAMP position adjustment 0
-5mm
15
10mm
30
25mm
1mm
21 87 DADF scanning position adjustment 0
-5mm
6
-2.7mm
26
+5mm
0.393mm
21 88 Analog Main/Sub Selection 0 0 1 0:Main line output 1:Sub line output
21 90 Binary threshold AE Lighter-2 FAX(text) medi. resolution 0 200 255
21 91 Binary threshold AE Lighter-1 FAX(text) medi. resolution 0 170 255
21 92 Binary threshold AE Normal FAX(text) medi. resolution 0 150 255
21 93 Binary threshold AE Darker-1 FAX(text) medi. resolution 0 90 255
21 94 Binary threshold AE Darker-2 FAX(text) medi. resolution 0 30 255
21 95 Binary threshold AE Lighter-2 FAX(text) low resolution 0 180 255
21 96 Binary threshold AE Lighter-1 FAX(text) low resolution 0 160 255
21 97 Binary threshold AE Normal FAX(text) low resolution 0 140 255
21 98 Binary threshold AE Darker-1 FAX(text) low resolution 0 80 255
21 99 Binary threshold AE Darker-2 FAX(text) low resolution 0 30 255