Troubleshooting and Diagnostics
5-1 5-2
5 Troubleshooting and Diagnostics 5.1 Power-related Problems
How to Use This Section - Ask for the power connector connections (and fuse, if fitted) to be verified.
1. Find the category in which your problem occurs. The problem categories
are: 5.2 Error Messages
- Power-related Problems
- Error Messages After switching the power ON the printer runs a self test. During the test the
- No Printout following messages may be shown on the display:
- Operation-related Problems
- Print-related Problems
- Ribbon or Carriage-related Problems
For example, if the print appears very light on the paper, look at Section "Print-
related Problems".
2. Find the symptom description that most closely matches the printer
symptom. In this example you would look at the symptom "Print faint or
of poor quality."
3. Try the first suggestion under that heading.
4. If the suggestion does not cure the problem, try the next suggestion.
5. If none of the suggestions enable you to continue printing, or if the fault
is not listed, contact your service office.
Each time the printer is switched ON the display indicates TEST while the
internal self-tests are run. If the test is completed successfully READY 4 ELQ
will be displayed. If an error message is displayed please refer to the following
section. All other messages on the display are described in section 2.4 Status
and Error Messages.
- Power indicator does not come On when power is switched On
- Check that the power cord and plug are securely fitted to the printer and to
an electrical outlet.
- Ask for the building electrical supply to be verified.
Display That means ... Cause / Action
No No power - Mains cable not connected
information,
POWER ON
indicator not
lit.
green and hang up in reset after - Print PSU defective
yellow LED power on - Print CU-DEV defective
give light but
no reaction
######## Firmware does not - PM not inserted
work - PM not correctly inserted
- no firmware on PM
- PROMs not correctly installed
TEST.... Initializing of the - After first POWER ON
(flashing) EEPROM with PM
- Change of the PM
- Contents of the EEPROM
faulty
I/O OK EEPROM located on EEPROM
the Control Unit not - not installed
addressable - not correctly installed
- defective
