Service manual

6-6 QMS 3260/4032 Laser Printer - Base Engine Technical Manual
Release Version 11-97
Secondary Fault Isolation Procedures
6.1 Electrical Noise continued
Step Actions and Questions Yes No
6
HVPS REPLACEMENT
Replace the HVPS Assembly (RRP 9.4)
Is the Electrical Noise problem still present?
Go to step 7 Problem
solved
7
AC DRIVER REPLACEMENT
Replace the AC Driver PWB (RRP 9.3)
Is the Electrical Noise problem still present?
Go to step 8 Problem
solved
8
LVPS ASSEMBLY REPLACEMENT
Replace the LVPS Assembly (RRP 9.2)
Is the Electrical Noise problem still present?
Go to step 9 Problem
solved
9
FUSER ASSEMBLY REPLACEMENT
Replace the Fuser Assembly (RRP 6.1)
Is the Electrical Noise problem still present?
Go to step 10 Problem
solved.
10
MCU PWB REPLACEMENT
Replace the MCU PWB (RRP 9.7)
Is the Electrical Noise problem still present?
Go to step 11 Problem
solved.
11
MAIN DRIVE ASSEMBLY REPLACEMENT
Replace the Main Drive Assembly (RRP 8.1)
Is the Electrical Noise problem still present?
Go to Suspect
Components
Problem
solved.