EPSON Perfection4180 Photo
Revision A
TROUBLESHOOTING
Overview
24
3.1 Overview
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
OPTION ERROR
(Only when the Option Unit is fitted and the scanner is ready to operate under the
control command (ESC e))
Table 3-1. Command Error
LED Indication
Cause
Disposition
Unidentifed command is detected.
• The scanner (interpreter)
ignores the wrong command or
parameter. (Therefore, the
current settings or the default
value remain effective.)
• Scanner (interpreter) sends
NACK, and waits next
command or parameter.
Remedy
The error condition is cleared when the scanner (interpreter) received a
correct command.
Table 3-2. Fatal error
LED Indication
Cause
Disposition
(1) The scanner is malfunction due
to for example lamp is or
Carridge cannot return home
(2) Fail to download Firmware
• The lamp goes off and the
scanner stops operation.
• The bit 7 of the status byte is set.
Remedy
(1)(2)Turn the scanner off and then back on.
(No indication)
(Fast flickering)
Table 3-3. Option Error
LED Indication
Cause
Disposition
Open cover, paper absence (paper
empty), etc.
The bit 7 of the status byte is set.
Remedy
Remove the error cause to recover.
Receivable command [[ESC F, ESC f, ESC @]
(No indication)
Summary of Contents for Perfection4180 Photo
Page 5: ...Revision Status Revision Date of Issue Description A July 30 2004 First release ...
Page 8: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 19: ...C H A P T E R 2 OPERATING PRINCIPLES ...
Page 23: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 29: ...C H A P T E R 4 DISASSEMBLY ASSEMBLY ...
Page 52: ...C H A P T E R 5 ADJUSTMENT ...
Page 54: ...C H A P T E R 6 MAINTENANCE ...
Page 57: ...C H A P T E R 7 APPENDIX ...
Page 66: ...401 GT F600 PERFECTION 4180 PHOTO NO 1 Rev 01 B170 ACCE 001 10 20 30 40 402 400 ...