Mpu Board Adjustment - Printronix L5000 Series Maintenance Manual

MPU Board Adjustment

Use the following checklist when replacing the MPU board on the printer. MPU
board adjustment procedures require the use of an engine checker. (Refer to Chapter
8, "Engine Checker," for information on using the engine checker.)
NOTE: The engine checker does not work when the EPS4 sensor is on (i.e., when
Adjustment
Feed motor
Fan–fold paper picture position XO
Fan–fold paper picture position YO
Cut–sheet picture position XO
Cut–sheet picture position YO
Correction X
Correction Y
Form length
LED strobe length
Correction strobe
Waste toner bottle full judgement standard
Toner density monitoring cycle
Photoreceptor surface potential
Developing bias potential
Confirm vacuum fan operation
Confirm pre–heat lamp operation
9–2
paper is loaded in the printer), or when the transport unit is not installed.
Table 9–1. MPU Board Checklist
Check
Board Adjustments