Surface Potential; Eraser Lamp; Drum Motor; Feed Motor - Printronix L5000 Series Maintenance Manual

Surface Potential

Turn the high–voltage power supply on, measure the voltage and adjust the volume.
The engine checker menu path is BASIC MENU, VOLUME ADJUSTMENT,
SURFACE POTENTIAL. Sample message:

Eraser Lamp

Use the engine checker to drive the eraser lamp for high and normal light quantities,
measure the voltage, and adjust the volume. The menu path is BASIC MENU,
VOLUME ADJUSTMENT, ERASER LAMP, LIGHT, ERASER LAMP (LIGHT),
START/STOP. Sample message:

Drum Motor

Use the engine checker to drive the motor, check how LEDs are lighting and adjust
the volume. The menu path is BASIC MENU, VOLUME ADJUSTMENT, DRUM
MOTOR, DRUM MOTOR, START/STOP. Sample message:

Feed Motor

Use the engine checker to drive the feed motor, check how LEDs are lighting and
adjust the volume. The menu path is BASIC MENU, VOLUME ADJUSTMENT,
FEED MOTOR, HIGH, FEED MOTOR (HIGH), START/STOP. Sample message:
8–18
SURF. POTENTIAL
POTENTIAL = 000
ERASER (LIGHT)
DRIVING
DRUM MOTOR
AT PAUSE
FEED MOTOR (HIGH)
DRIVING
V
Engine Checker