Kyocera TASKalfa 250ci User Manual

							Default Setting (System Menu) 
OPERATION GUIDE8-57
8
Use the procedure below to adjust the display brightness.
1Press the System Menu  key.
2Press [ ], [Adjustment/Maintenance] and 
[Change] of Display Brightness .
3Press [1] - [4] (Darker- Lighter) to adjust brightness.
4Press [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.
1Press the  System Menu  key.
2Press [ ], [Adjustment/Maintenance] and 
[Change] of Silent Mode.
3Press [Off] or [On].
4Press [OK].
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							Default Setting (System Menu) 
8-58OPERATION GUIDE
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 valu e 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.
1Press the  System Menu  key.
2Press [ ] > [Adjustment/Maintenance] > [ ] > 
[Change] of Auto Color Correction.
3Press one of keys [1] to [5 ] (Color - B & W) to set 
the detection level.
4Press [OK].
Color Registration
When first installing the machi ne or moving it to a new location, color drift during printing may occur. Use this 
function to correct the color position of each of cyan, magenta and yellow to resolve color drift.
Normal registration and detailed settings are available for  Color Registration. Color drift can be largely corrected 
through normal registration. However, if it is not reso lved or to perform more detailed settings, use the detailed 
settings.
NOTE: To perform color registration, veri fy that either 11 × 8 1/2 or A4 paper is loaded into a cassette.
IMPORTANT: Before performing color registration, be sure to perform color calibration (see  page 8-64). If color 
drift remains, perform color registration.By performing colo r registration without performing color calibration, the 
color drift will be resolved once, however, it may cause the serious color drift later.
Normal Registration
Follow the steps below to correct normal color drift.
1Press the System Menu  key.
2Press [ ], [Adjustment/Maintenance], [ ] and 
then [Next] of Color Registration .
3Press [Print] of Chart. A chart is printed.
On the chart, for each of  M (magenta), C (cyan) and 
Y  (yellow), 3 chart types are printed on one sheet: 
H-F  (left),  V (right),  H-R (horizontal).
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							Default Setting (System Menu) 
OPERATION GUIDE8-59
8
Chart Example
4Find the location on each chart where 2 lines most 
closely overlap each other. If this is the 0 position, 
registration for that color is not required. For the 
illustration, B is t he appropriate value.
5Press [Next] of Registration.
6Press [Change] for the chart to be corrected.
7Press [+] or [-] to enter  the values read from the 
chart and press [OK].
Press [+] to increase the  value from 0 to 9. To 
decrease, press [-].
By pressing [-], the value changes from 0 to 
alphabetic letters, going from  A  to I. To move in the 
reverse direction, press [+].
You cannot use the numeric keys to enter these 
values.
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							Default Setting (System Menu) 
8-60OPERATION GUIDE
8Repeat steps 6 and 7 to enter the registration 
values for each chart.
9Press [Execute] after all values have been entered. 
Color registration begins.
10Press [OK] after color registration is complete.
Detailed Settings
Follow the steps below to perform more detailed correction.
1Refer to Steps 1-2 of  Normal Registration to display 
the  Color Registration  screen.
2Press [Detail].
3Press [Print] of Chart (Details). A chart is printed. 
On the chart, for each of  M (magenta), C (cyan) and 
Y  (yellow), charts for  H-1 to 7 and  V- 3 are printed.
Chart Example
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							Default Setting (System Menu) 
OPERATION GUIDE8-61
8
4Find the location on each chart where 2 lines most 
closely match. If this is the 0 position, registration 
for that color is not required. For the illustration, B 
is the appropriate value.
From charts  V- 1 to V- 5 , read only the values from 
V- 3  (center).
5Press [Next] of  Registration (Details) .
6Press [Change] for the chart to be corrected.
7Press [+] or [-] to enter  the values read from the 
chart and press [OK].
Press [+] to increase the  value from 0 to 9. To 
decrease, press [-].
By pressing [-], the value changes from 0 to 
alphabetic letters, going from  A  to I. To move in the 
reverse direction, press [+].
You cannot use the numeric keys to enter these 
values.
8Repeat steps 6 and 7 to enter the registration 
values for each chart.
9Press [Execute] after all values have been entered. 
Color registration begins.
10Press [OK] after color registration is complete.
Color Calibration Cycle
After Auto Clear has been activated, or during printing 
or while processing Color Registration,  Performing 
Color Calibration... Remaining: 50 seconds  may be 
displayed. While this message is displayed, the 
machine makes adjustments to  maintain image quality. 
Wait until the message disappears.
Set the color calibration cycle here. The setting items 
are as follows.
Item Description
Auto Automatically sets the cycle for color 
calibration.
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							Default Setting (System Menu) 
8-62OPERATION GUIDE
1Press the System Menu  key.
2Press [ ], [Adjustment/Maintenance], [ ] and 
then [Change] of  Color Calibration Cycle .
3Select [Auto], [Short], [Standard] or [Long].
4Press [OK].
Gray Adjustment
After prolonged use, or from the effects of surrounding te mperature or humidity, the hue of printed color output 
may shift or color drift may  occur. Use this function to correct color settings when the color of a finished copy 
does not match the original. Perform color calibration before using gray adjustment (see  page 8-62). Use gray 
adjustment when the color is not enhanced even after performing color calibration.
Normal and detailed gray ad justment is available. While normal adjustment will almost completely eliminate 
errors in color tones, you can also use detailed adjustment for stubborn color tone problems or where more 
precise adjustment is needed.
NOTE: To perform gray adjustment, verify that either 11 × 8 1/2 or A4 paper is loaded into a cassette.
Normal adjustment
A total of 3 color pattern pages (No. 1 to 3) are printed  during normal adjustment. The printed color patterns are 
read sequentially during the adjustment.
Use the procedure below for normal adjustment.
1Press the  System Menu  key.
2Press [ ], [Adjustment/Maintenance], [ ] and 
then [Next] of Gray Adjustment .
3Press [Execute]. A color pattern is printed. 
Check that the number 1 is printed at the bottom 
of the color pattern.
Short
Sets a short color calibration cycle and 
increases the number of times performed, 
with priority to image quality.
Standard Sets a standard color calibration cycle, 
compromising between image quality and 
downtime for processing.
Long Sets a long color calibration cycle and 
decreases the number of times performed, 
to ensure minimal downtime.
Item
Description
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							Default Setting (System Menu) 
OPERATION GUIDE8-63
8
4As shown in the illustration, place the printed side 
down on the platen with the three black boxes 
aligned to the top.
5Press [Execute]. The color pattern is read and 
adjustment begins.
6The second color pattern is output.
Check that the number 2 (to 3) is printed at the 
bottom of the color pattern and repeat steps 4 to 6 
twice to read color patterns 2 and 3 in sequence.
7Press [OK] in the adjustment end confirmation 
screen.
Detailed Adjustment
A total of 5 color pattern pages (No. 1 to 5) are prin ted during detailed adjustment. As with normal adjustment 
(page 8-62) , the printed color patterns are read s equentially during detailed adjustment.
Use the procedure below to carry out detailed adjustment.
1Press the  System Menu  key.
2Press [ ], [Adjustment/Maintenance], [ ] and 
then [Next] of Gray Adjustment .
3Press [Detail].
4Press [Execute]. A color pattern is printed.
Check that the number 1 is printed at the bottom 
of the color pattern.
5As shown in the illustration, place the printed side 
down on the platen with the three black boxes 
aligned to the top.
6Press [Execute]. The color pattern is read and 
adjustment begins.
7The second color pattern is printed.
Check that the number 2 (to 5) is printed at the 
bottom of the color pattern and repeat steps 5 to 7 
four times to read color patterns 2, 3, 4 and 5 in 
sequence.
8Press [OK] in the adjustment end confirmation 
screen.
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							Default Setting (System Menu) 
8-64OPERATION GUIDE
Color Calibration
After prolonged use, or from the effects of surrounding temperature or humidity, the hue of printed color output 
may shift or color drift may occur. Using this function enabl es printing in the most appropriate color by adjusting 
hue and color drift in detail. Use gray adjustment when  the color is not enhanced even after performing color 
calibration (see  page 8-62). If the hue and color are not enhanced, use color registration (see  page 8-58).
1Press the System Menu  key.
2Press [ ], [Adjustment/Maintenance], [ ] and 
then [Next] of Color Calibration.
3Press [Execute].  Color Calibration begins.
4Press [OK] after Color Calibration  is complete.
Developer Refresh
When the printing is too light or incomplete, even  though there is enough toner, refresh the developer.
1Press the System Menu  key.
2Press [ ], [Adjustment/Maintenance], [ ] and 
then [Next] of Developer Refresh .
3Press [Execute]. Developer Refresh  begins.
NOTE: Waiting time may be longer when the toner is 
refilled during developer refresh.
4Press [OK] after Developer Refresh  is complete.
Laser Scanner Cleaning
If white or color streaks appear on images, perform Laser Scanner Cleaning.
1Press the System Menu  key.
2Press [ ], [Adjustment/Maintenance], [ ] and 
then [Next] of Laser Scanner Cleaning .
3Press [Execute]. Laser Scanner Cleaning  begins.
4Press [OK] after Laser Scanner Cleaning  is 
complete.
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							Default Setting (System Menu) 
OPERATION GUIDE8-65
8
MP Tray Cleaning
If dirt appears on images when using the multi purpose tray, perform MP Tray Cleaning .
1Press the System Menu  key.
2Press [ ], [Adjustment/Maintenance], [ ] and 
then [Next] of MP Tray Cleaning .
3Load two sheets of A4 or Letter paper in the multi 
purpose tray.
4Press [Execute]. MP Tray Cleaning  begins.
Press [OK] after  MP Tray Cleaning  is complete.
First Print Position
Using this function speeds up either of the first print time  of black and white printing or color printing by changing 
the default start position of the first  print. In addition, the machine can automatically detect the appropriate 
position depending on your usage.
1Press the  System Menu  key.
2Press [ ], [Adjustment/Maintenance], [ ] and 
then [Next] of First Print Position .
3Select [Standard], [Black & White Priority], [Color 
Priority] or [Auto].
4Press [OK].
Item Description
Standard Default of the first print time.
Black & White Priority Speed up the first print time of black and white printing.
Color Priority Speed up the first print time of color printing.
Auto Automatically detects the appropriate position depending on your usage.
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							Default Setting (System Menu) 
8-66OPERATION GUIDE
Date/Timer 
Date/Timer settings include:
• Date/Time …8-66
• Date Format …8-67
• Time Zone …8-67
• Auto Panel Reset …8-67
• Low Power Timer …8-68
• Auto Sleep …8-69
• Auto Error Clear …8-69
• Interrupt Clear Timer …8-70
NOTE: If user login administration is enabled, you can only change the settings by logging in with 
administrator privileges.
Date/Time 
Set the date and time for the location where you use the machine. If you perform Send as E-mail, the date and 
time set here will be displayed on the header.
CAUTION: Be sure to set Time Zone before the Date/Time setup.
Use the procedure below to set the date and time.
1Press the  System Menu  key.
2Press [ ], [Date/Timer] and then [Change] of 
Date/Time.
3Press [+] or [–] to enter the date and time 
respectively.
\
NOTE: If you try to change the  date/time when a trial 
application  (page 8-104)  is running, the  If you change 
Date/Time setting, trial f unctions will be unavailable. 
Are you sure? message is displayed. To change the 
date/time, press [Yes].
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