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Trouble Shooting and Diagnostics
5-2
5.1 Power-related Problems
S Power indicator does not come On when power is switched On
S Check that the power cord and plug are securely fitted to the printer and to
an electrical outlet.
S Ask for the power connector connections (and fuse, if fitted) to be verified.
S Ask for the building electrical supply to be verified.
5.2 Error Messages
After switching the power ON the printer runs a self test. During the test the
following messages may be shown on the display:
Display That means... Cause
No information, No power S Mains cable not connected
POWER ON indi-
cator not lit.
green and yellow hang up in reset S Print PSU defective
LED give light after power on S Print CU-DEV defective
but no reaction
####### Firmware does not S PM not inserted
work S PM not correctly inserted
S no firmware on PM
S PROMs not correctly
installed
TEST.... Initializing of the S After first POWER ON with
(flashing) EEPROM PM
S Change of PM
S Contents of the EEPROM
faulty
I/O OK EEPROM located on EEPROM
the Control Unit not S not installed
addressable S not correctly installed
S defective