Epson Stylus Pro 7890 Series, Service Manual

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Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908 Revision I
ADJUSTMENT Tests 440
Confidential
† Colorimetry CR Inspection
1. Set the following media to the printer.
z Size:
„ Epson Stylus Pro 9900/9910/9890/9908: 44 inches
„ Epson Stylus Pro 7900/7910/WT7900/WT7910: 24 inches
z Type: Premium Glossy Photo Paper (250)
2. Select Colorimetry CR Inspection .
3. If the following screen appears, click on the [OK] button to print the pattern
and calibration automatically.
Figure 5-112. [Colorimetry CR Inspection] Screen
4. Take a measure according to the color of displayed screen.
C A U T I O N
Use the black backing for this inspection. If the white backing is
used, the colorimetry check cannot be performed correctly.
Screen
color
Description Remedy
Blue
No abnormality
Operating normally. Click on the [OK] button.
Red
Media error Check if the media is contaminated. If
contaminated, replace the media.
Backing error Use the black backing.
Color Measurement Device
connection error Check the connection, and if any
abnormality is found, correct it.
Lamp failure of Color Measurement
Device If the lamp does not light, replace the
Color Measurement Device.
Color Measurement Device failure Replace the Color Measurement
Device.
Carriage failure See the inspection item for CR move
check.
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