User`s guide

3-34
(25) IMAGE IMPROVEMENT
Select whether to automatically correct the
print quality or not.
<Parameter (numeral input)>
OFF Automatic correction is not performed.
LOW Automatic correction is performed.
MEDIUM Automatic correction is performed. Use this when the symp-
tom is not improved with LOW.
HIGH Automatic correction is performed. Use this when the symp-
tom is not improved with LOW and MEDIUM.
Note
- If a part (characters or halftone) of an image is disturbed due to excessive
automatic correction, set this mode to OFF and be sure to adjust the media
advance correction value.
- The image quality improvement decreases the print speed as follows com-
pared to IMAGE IMPROVE OFF.
LOW: 7% of the image quality at IMAGE IMPROVE OFF.
MEDIUM: 20% to 35% of the image quality at IMAGE IMPROVE OFF.
HIGH: 50% of the image quality at IMAGE IMPROVE OFF.
- For applying IMAGE IMPROVE and checking its eect, refer to [How to get good image
quality](
P.5-15)
(26) PH CLEANING
This function is to keep the print heads clear of
debris and dried ink to maintain print quality.
<Parameter <numeral input)>
START & END This mode executes cleaning automatically at the start or end
of a print, depending on print history.
DURING PRNT This mode executes cleaning automatically at a certain inter-
val during printing.
DURING PRNT2 This mode executes cleaning automatically at a certain inter-
val during printing.
Note
- After cleaning is executed during printing using [DURING PRNT] mode, a
splicing line may appear on the print-out.
To eliminate the splice line, see
P.3-35 [(27) BACK ADJUST VAL].
Sometimes, due to the media or printed image, a splice line will still appear
in the print. In this case, use the [START & END] or [DURING PRNT2] modes.
#PH CLEANING
>XX:START & END
XX : Selected media number
#IMAGE IMPROVE.
>XX:OFF
XX : Selected media number