Scanner Self-Diagnostics; Unit-Level Troubleshooting - Epson Perfection 1250 Service Manual

EPSON Perfection 1250/1250 PHOTO

3.3 Scanner Self-Diagnostics

When an error occurs, the scanner uses its Error and Ready indicator lights to
display the type of error.
See the table below to determine the type of error:
Table 3-1. LED Indicators and Error Type
Red LED
"
On Blown lamp
"
Carriage does not return to the home
position
"
Other scanner malfunction
Remedy: Turn the power off and back on, send an initializtion command (ESC
@), and disconnect then reconnect the USB cable. If the light remains red,
continue with the Unit-Level Troubleshooting section.
Acceptable commands: ESC F, ESC f, ESC @
Error Type

3.4 Unit-Level Troubleshooting

Refer to one of these sections to solve scanner problems:
!
Scanner Doesn't Initialize
!
Carriage Doesn't Move on page 25
!
Carriage Operates But an Error Occurs
!
Lamp Does Not Come On
!
Image Isn't Scanned Clearly
!
Scanner Doesn't Receive Data From Computer
!
Optional TPU Doesn't Operate
Troubleshooting
on page 25
on page 25
on page 25
on page 25
on page 26
on page 26
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