Appendix
257
VI. Display: on/off,
LED flash
ADDITIONAL CLUES
Confirm that all DIP
switches are up and
printer is isolated from
network
PROBABLE ROOT CAUSE
ACTIONS (follow in order)
1.
Possibly continuous
reboot.
A.
Power.
B.
Connection problem with
memory DIMM.
C.
NVRAM corrupt.
D.
Code DIMM corrupt or
connection problem.
E.
Boot ROM corrupt or
connection problem.
1A.
Confirm good power is supplied
to printer and not plugged into
power strip.
2B.
Reseat memory DIMM.
2C.
Reset NVRAM, Replace
NVRAM (840 only).
2D.
Reseat or replace code ROM
DIMM.
2E.
Reseat or replace Boot ROM.
Summary of Contents for Phaser 840
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