General Information 1-73
4025-XXX
Glossary of Terms, Acronyms, and Abbreviations
A-
AC Alternating Current
AC Line Voltage The AC voltage level at the AC wall outlet, such as 110VAC or
220VAC
Actuated A device, such as a switch or motor, that is switched on
Actuator Mechanical device used to toggle a switch or a sensor
Aux Auxiliary
B-
Base Engine The IOT without options or Controller PWB installed
BCR Bias Charge Roll
BTR Bias Transfer Roll
C-
°C Degrees Celsius. °C = 0.55 (°F - 32)
CCW Counterclockwise
Charge The negative voltage that the High Voltage Power Supply
applies to the surface of the drum
Continuity A resistance reading of approximately 0 ohms
Controller PWB The electrical interface between the printer MCU and the host
computer. See ESS and Controller Board.
Controller Board Synonym for Controller PWB, ESS, and ESS PWB
CL Close
CRU Customer Replaceable Unit, such as an EP Cartridge
CW Clockwise
D-
DC Direct Current
DB Signal name for the Developer Bias voltage
Deactuated A device, such as a switch or a motor, that is switched off
Develop The part of the print cycle where toner adheres to the latent
image on the drum
Developed image The visible image on the drum after going through
development
Diagnostics The mode of operation that lets you check various
components, such as sensors, solenoids, and motors
DPI Dots Per Inch. The measure of image resolution
DRAM Dynamic Random Access Memory
Drum The Xerographic photoreceptor
DTS Signal name for the Detack Saw voltage
Duplex Printing on both sides of a single sheet of paper