Controller Self Diagnosis; Preface; Overview - Canon imageRUNNER ADVANCE 4551i Service Manual

Controller Self Diagnosis

Preface

This manual describes operation of the Controller System Error Diagnosis Tool added to the host machine and remedy for errors.
This tool can reduce the time it takes to determine the cause of errors occurred in the field and improve the accuracy of specifying
error locations.
This manual can be used when the main body is in the following conditions.
• An error is suspected to have occurred in the Main Controller PCB and other related PCBs (child PCBs such as TPM mounted
in the Main Controller PCB)
PCBs and units diagnosed by the tool are as follow:
• Main Controller PCB
• HDD
• TPM PCB
• Riser PCB
• Flash PCB
• Counter Memory PCB

Overview

This machine has an error diagnosis tool that is stored in the location shown below.
Option
Flash PCB
Controller system
failure diagnosis tool
TPM PCB
Controller System Error Diagnosis Tool covers the components in the blue frame (dotted line) shown in the diagram.
This tool automatically checks the Main Controller PCB and the child PCBs mounted on it, and the HDD, and displays the result
on the Control Panel.
HDD
Main Controller PCB
Open I/F PCB
(Option)
Memory PCB
Reader
DC Controler PCB
Riser PCB
Option
All-night/Non-allnight Power Supply
349
6. Troubleshooting
Operation panel