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e-STUDIO 16P
FRU
Engine Board (continued)
2-42
Service Manual
Action
1. All operator panel LEDs turn on
solid.
2. All operator panel LEDs turn off.
3. LEDs then sequence on and off
one at a time starting with the
Press Button LED.
After 2 complete LED
sequences, the Ready LED
turns on solid.
4. The cooling fan comes on.
5. The fuser lamp comes on.
6. The drive motor runs.
7. The printhead motor runs.
8. The printer cycles down into
standby mode/ready.
If the operator panel LEDs come on
solid and never turn off, replace the
controller board and/or controller
cable.
If some LEDs are on or flashing, see
the
"Status Information" on
page 2-3
to determine a course of
action and/or replace the engine
board.
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