Trouble Shooting and Diagnostics

5.1Power-related Problems

SPower indicator does not come On when power is switched On

SCheck that the power cord and plug are securely fitted to the printer and to an electrical outlet.

SAsk for the power connector connections (and fuse, if fitted) to be verified.

SAsk for the building electrical supply to be verified.

5.2Error 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

 

 

 

 

 

 

 

 

5-2

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Epson C I - 4 0 7 0, C I - 4 0 8 0 user manual Power-related Problems, Error Messages, Display That means Cause, Test

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