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Phaser 8400/8500/8550/8560 Color Printer Service Manual iii
Service Terms
Manual Terms
Various terms are used throughout this manual to either provide additional
information on a specific topic or to warn of possible danger present during a
procedure or action. Be aware of all symbols and terms when they are used,
and always read Note, Caution, and Warning statements.
Common Acronyms:
The following list defines the acronyms that may be found in this manual.
N
o
t
e
A note indicates an operating or maintenance procedure, practice or
condition that is necessary to efficiently accomplish a task.
A note can provide additional information related to a specific subject or
add a comment on the results achieved through a previous action.
Caution
A caution indicates an operating or maintenance procedure, practice or
condition that, if not strictly observed, results in damage to, or destruction
of, equipment.
W
arn
i
ng
A warning indicates an operating or maintenance procedure, practice or
condition that, if not strictly observed, results in injury or loss of life.
Product Terms
Caution: A personal injury hazard exists that may not be apparent. For
example, a panel may cover the hazardous area.
Danger: A personal injury hazard exists in the area where you see the sign.
ADC: Automatic Density Control MCU: Engine Control Board
BTR: Bias Transfer Roller NCS: Non-Contact Sensor
CRUM: Customer Replaceable Unit
Monitor
PHD: Imaging Unit
CTD: Toner Density Control PL: Corresponds to the FRU Parts List.
ESD: Electrostatic Discharge ROS: Laser Scanning Unit
IDT: Intermediate Transfer Unit RTC: Charge Roller