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User's Manual Scanner Epson Perfection
PUB-119 Rev B.doc 10
1.1.2.4 Model 4990 Hardware Features
Figures 9 through 11 show the main hardware features of the Model 4990.
Figure 9
General view of the 4990
The indicator light is active in the AFHCAN installation. Table 6 lists the significance of the
indicator light.
Table 6
Model 4990 indicator lights
Condition Color Status
flashing green Scanner is initializing (warming up) or busy scanning.
on steady green Scanner is on and ready to scan images.
flashing red Indicates error or malfunction. Refer to the section on troubleshooting.
off n/a The scanner is turned off or the Cart is powered down.
Blue document cover light
on steady blue Scanning transparent originals such as x-rays (manual mode only).
off n/a Scanning reflective originals such as photographs or paper documents.