Epson PERFECTION V10, Service Manual

Page: 27 / 77

EPSON Perfection V10/V100 Photo/V200 Photo/V350 Photo Revision B
TROUBLESHOOTING Outline 27
3.1 Outline
This chapter explains the remedies for errors detected by the self-diagnostic function as
well as the check points on a fault phenomenon basis, which are required for efficient
troubleshooting at occurrence of any error.
3.1.1 Self-diagnostic Function
This scanner has a self-diagnostic function that automatically diagnoses the operating
status of each section, and uses an LED indication to show the error status. This
function detects the following error statuses, and their remedies are as described below.
COMMAND ERROR
FATAL ERROR
Note *1: Perfection V100 Photo/Perfection V200 Photo/Perfection V350 Photo
*2: Perfection V350 Photo
Table 3-1. Command error
LED Indication Cause Scanner Action
Received an undefined command or undefined
command parameter.
• The scanner ignores
the incorrect command
or parameter. (Current
setting maintained)
• The scanner returns
NACK and waits for
the next command
parameter.
Recovery The scanner recovers from the error by receiving a correct command.
(No indication)
Table 3-2. Fatal error
LED Indication Cause Scanner Action
1. The main unit is faulty (The lamp is dead.
The Carriage does not return to its home
position.
2. The cover was opened while scanning is in
progress.
3. The document cover was not removed
when scanning strip films.
4. The AFL is jammed with strip films.
Recovery 1. Turn the scanner off and then back on.
2. Close the cover.
3. After removing the cover mat, send the initialization command (ESC @)*
1
4. After removing the jammed films manually or by pressing the EJECT
button, send the initialization command (ESC @)* 2 .
(Flashing red)