2KR/2KS-2
1-3-51
U157
Checking the developing drive time
Description
Displays the developing drive time for checking, which is used as a reference when correcting the toner con-
trol.
Purpose
To check the developing drive time after replacing the developing unit.
Method
1. Press the start key. The developing drive time is displayed in minutes.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
U158
Checking the developing count
Description
Displays the developing count for checking.
Purpose
To check the developing count after replacing the developing unit.
Method
1. Press the start key. The developing counter count is displayed.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
U161
Setting the fuser control temperature
Description
Changes the fuser control temperature.
Purpose
Normally no change is necessary. However, can be used to prevent curling or creasing of paper, or solve a
fuser problem on thick paper. MODE changes printing speed control at over-heating on the fuser ends.
Method
1. Press the start key.
2. Select the item to be set.
3. Change the setting using the +/- or numeric keys.
4. Press the start key. The value is set.
Setting: [MODE]
1. Press the start key.
2. Select the mode.
Initial setting: MODE1
3. Press the start key. The setting is set.
Maintenance
item No.
Description
Display
Description
Setting range
Initial setting
DRIVE START TEMP
Driving start temperature when warm-
up starts
0 to 255 (
°
C)
185
READY CONTROL T
Control temperature for displaying
[Ready for printing.]
0 to 255 (
°
C)
200
PRINT CONTROL T
Control temperature during printing
0 to 255 (
°
C)
200
MODE
Printing speed control at over-hearing
on the fuser ends
1/2
1
Display
Description
MODE1
Printing halts for approximately 24 s provided the temperature on the fuser
ends reaches 235
°
C/455
°
F before printing is resumed
MODE2
Printing speed is decelerated by 75% with a fuser-end temperature greater
than 228
°
C/442
°
F
Summary of Contents for TASKalfa 420i
Page 1: ...SERVICE MANUAL Published in May 2010 842KS113 2KSSM063 Rev 3 TASKalfa 420i TASKalfa 520i ...
Page 4: ...This page is intentionally left blank ...
Page 10: ...This page is intentionally left blank ...
Page 14: ...2KR 2KS This page is intentionally left blank ...
Page 224: ...2KR 2KS 1 4 66 This page is intentionally left blank ...
Page 328: ...2KR 2KS 2 3 30 This page is intentionally left blank ...
Page 371: ...INSTALLATION GUIDE FOR PAPER FEEDER ...
Page 381: ...INSTALLATION GUIDE FOR 3000 SHEETS PAPER FEEDER ...
Page 436: ...INSTALLATION GUIDE FOR CENTER FOLDING UNIT ...
Page 450: ...INSTALLATION GUIDE FOR MAILBOX ...
Page 458: ...INSTALLATION GUIDE FOR HOLE PUNCH UNIT ...
Page 470: ...INSTALLATION GUIDE FOR BUILT IN FINISHER ...
Page 483: ...INSTALLATION GUIDE FOR JOB SEPARATOR ...
Page 491: ...INSTALLATION GUIDE FOR FAX System ...
Page 507: ......
Page 508: ......