2KR/2KS
1-3-93
U470
Setting the JPEG compression ratio
Description
Sets the compression ratio for JPEG images in each image quality mode.
Purpose
To change the setting in accordance with the image that the user is copying. For example, in order to soften
the coarseness of the image when making copies at over 200% magnification, change the level of compres-
sion by raising the value. Lowering the value will increase the compression and thereby lower the image qual-
ity; Raising the value will increase image quality but lower the image processing speed.
Method
1. Press the start key.
2. Select the item to be set. The setting screen for the selected item is displayed.
Setting: [System]
1. Select the item to be set.
2. Change the setting value using the +/- or numeric keys.
3. Press the start key. The value is set.
Setting: [Copy]
1. Select the item to be set.
2. Change the setting value using the +/- or numeric keys.
3. Press the start key. The value is set.
Setting: [Send]
1. Select [Text], [Photo] or [HC-PDF].
2. Select the item to be set.
3. Change the setting value using the +/- or numeric keys.
4. Press the start key. The value is set.
Maintenance
item No.
Description
Display Description
System Compression ratio for temporary storage in system
Copy Compression ratio for copying
Send Compression ratio for sending
Display Description Setting range Initial setting
Y Brightness 1 to 100 90
C Color differential 1 to 100 90
Display Description Setting range Initial setting
Text Y Brightness in the text mode 1 to 100 90
Text C Color differential in the text mode 1 to 100 90
Photo Y Brightness in the photo mode 1 to 100 90
Photo C Color differential in the photo mode 1 to 100 90
Display Description Setting
range
Initial
setting
Text Y (1) to (5) Brightness in the text mode 1 to 100 30/40/51/70/90
Text C (1) to (5) Color differential in the text mode 1 to 100 30/40/51/70/90
Photo Y (1) to (5) Brightness in the photo mode 1 to 100 30/40/51/70/90
Photo C (1) to (5) Color differential in the photo mode 1 to 100 30/40/51/70/90
HC-PDF Y (1) to (3) Brightness of high compression PDF 1 to 100 15/25/60
HC-PDF C (1) to (3) Color differential of high compression PDF 1 to 100 15/25/60
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