Default Setting (System Menu)
OPERATION GUIDE
8-45
8
2
Press [
], [Adjustment/Maintenance] and [Change] of
Display Brightness
.
3
Press [1] - [4] (Darker- Lighter) to adjust brightness.
4
Press [OK].
Silent Mode
Make the machine run more quietly. Select this mode when the running noise is uncomfortable.
Use the procedure below to set Silent mode.
1
Press the
System Menu
key.
2
Press [
], [Adjustment/Maintenance] and [Change] of
Silent Mode
.
3
Press [Off] or [On].
4
Press [OK].
Charger Auto Cleaning
If black streaks appear on the printouts or scanned data, perform automatic cleaning of the main chargers.
If no black line appears at the ends of the paper (margin), refer to
Correcting Fine Black Lines on page 8-44
.
1
Press the
System Menu
key.
2
Press [
], [Adjustment/Maintenance] and [Change] of
Charger Auto Cleaning
.
3
Press [Yes]. Automatic cleaning of the main charger starts and ends in about 45 seconds.
4
Once the cleaning ends, return to the
Adjustment/Maintenance
screen.
Auto Color Correction
This setting allows you to adjust the detection level used by the machine to determine whether the original is
color or black and white during Auto Color Mode. Setting a lower value will result in more originals being
identified as color, while a larger value will tend to increase the number of originals being identified as black and
white.
Use the procedure below to set the Auto Color Detection Level.
1
Press the
System Menu
key.
2
Press [
] > [Adjustment/Maintenance] > [
] > [Change] of
Auto Color Correction
.
3
Press one of keys [1] to [5] (Color - B & W) to set the detection level.
4
Press [OK].
Summary of Contents for TASKalfa 420i
Page 22: ...xx OPERATION GUIDE ...
Page 72: ...Preparation before Use 2 34 OPERATION GUIDE ...
Page 160: ...Copying Functions 4 38 OPERATION GUIDE ...
Page 310: ...Default Setting System Menu 8 78 OPERATION GUIDE ...
Page 324: ...Maintenance 9 14 OPERATION GUIDE ...
Page 354: ...Troubleshooting 10 30 OPERATION GUIDE ...
Page 382: ...Management 11 28 OPERATION GUIDE ...
Page 385: ...OPERATION GUIDE Appendix 3 B1 A2 DP OP T1 Key Counter FAX Kit Expansion Memory ...
Page 414: ...Appendix 32 OPERATION GUIDE ...
Page 424: ...MEMO ...
Page 425: ...MEMO ...
Page 426: ......
Page 427: ......
Page 428: ...First edition 2009 7 Printed in China 302KR56040 ...