Epson DFX-8500 - Impact Printer, Service Manual

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GENERAL DESCRIPTION
Rev. B
1-
27
1.4.2 Errors and Buzzers
Errors fall into 2 types; normal error/warning and fatal error. See the tables below for detailed information.
Table 1-15. Error/Warning Buzzer Information
Error/Warning PAUSE
LED Paper Out
LED Ribbon
LED Beeper *1) Description
On Line Off Off Off
Pause On Off Off
Head hot Blinking Off Off
Head Fan hot Blinking Off Off
Paper out error On On Off . . . When the printer fails to load a
sheet, it goes paper out error.
Cover open error ON Off Off . . . When the printer’s cover is
open, it goes cover open error.
Incomplete
changing paper On Off Off . . . When the printer fails to change
the paper, it goes incomplete
changing paper path error.
Incomplete back-
feed paper On Blinking Off . . .
Paper size error ON Off Off . . . When paper width of the setting
data and the current paper are
different, it goes Paper size
error.
Paper jam error ON Blinking Off - - - - - When the printer fails to eject a
sheet, it goes paper jam error.
Ribbon jam error On Off Blinking - - - - - When the ribbon is in a jam
status, it goes ribbon jam error.
Measurement
seeking error On Blinking Blinking - - - - - When carriage breaking length
is abnormal, it goes
Measurement seeking error.
Illegal panel
operation - - - -
Note 1: The descriptions “.”and “-“ show how the beeper sounds.
“.”: Beeper sounds 100 ms and interval is 100 ms.
“-“ : Beeper sounds 500 ms and interval is 100 ms.
Table 1-15a. Fatal Error Information
Fatal Error 7-segment LED
Indication *1)
Beeper *2) Description *3)
CR motor circuit shortage error 1 - Auto power off after 12 seconds
Cutter error 2 - - Auto power off after 12 seconds
Platen gap error 3 - - - Auto power off after 12 seconds
Carriage lock error 4 - - - - Auto power off after 12 seconds
Carriage load measurement
error 6 - - - - - - Auto power off after 12 seconds
Head fan error 7 - - - - - - - Head power off immediately
Head circuit shortage error 8 - - - - - - - - Head power off immediately
RAM check error 9 - - - - - - - - - Auto power off after 12 seconds
Paper memory setting error a - - - - - - - - - -
EEPROM data compare error b - - - - - - - - - - -
Tractor change error c - - - - - - - - - - - - Auto power off after 12 seconds
Watch dog error d Auto power off after 12 seconds
Note 1: The 7 segment LED indicates error No. and “E” alternately.
Note 2: The descriptions “.”and “-“ show how the beeper sounds.
“.”: Beeper sounds 100 ms and interval is 100 ms.
“-“ : Beeper sounds 500 ms and interval is 100 ms.
Note 3: Turn the printer power off while the 7 segment LED are on, or the printer shuts power
down automatically. You can’t turn the printer back on for 5 minutes after the printer shuts
power down automatically