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Troubleshooting/Maintenance
: Fatal errors/accessory errors
118
Fatal errors/accessory errors
The printer may encounter a severe error, one that inhibits further operation. All LEDs
will turn on, or in the case of an Accessory Error all LEDs will start flashing. During this
mode, pressing and holding the Go key down will reveal a pattern on the LEDs. Some
LEDs might be on and some might be off, but it will be a non-changing pattern as long
as the Go key is held down. This pattern can be used to identify what type of fatal error
it was. For example, if all LEDs turn on, holding the Go key down might turn off all of
the LEDs except for the Attention LED. This pattern would indicate that there is an
Engine Error. For most of the errors listed here, turning the printer off for a short while
will not clear the error (it is more serious than that), but it is recommended as a last
resort. Remember, the error pattern will only be displayed as long as the Go key is
held down.
Symbol for “light off”
Symbol for “light
blinking”
Symbol for “light on”
Light status legend
Service and error messages
Light Status Description Recommended Action
ROM/RAM Error. An error
was found with the ROM or
RAM. The printer believes
that the ROM is corrupted
or an error has been found
in the RAM.
1. Power cycle the printer by unplugging the printer and
plugging it back in. If this doesn’t clear the error:
2. Unplug the printer, remove any optional memory, then power
the printer back on. If the message clears, replace the memory
card.
3. Replace the Formatter PCA
Fuser Error. This indicates
a fusing assembly
malfunction.
NOTE: Chronic fuser
failures or fuser overheating
or both indicators of an un-
interruptible power supply
or battery backup being
used with the printer. un-
interruptible power supplies
(UPs) should not be used
wi8th the printer.
1. Unplug the printer for 10 minutes or more.
2. Verify that the fuser connector is firmly seated in the ECU
and that the thermistor connector (left of fusing assembly) is
seated into both the printer chassis and the ECU.
3. Perform heating element resistance check.
4. If the resistance readings are correct yet the error persists,
replace the ECU.
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