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Clearing Print Volume Use Counters..........................................................................................................90

Configuring the Auto-Reset Function..........................................................................................................91

4. Preventing Leakage of Information from Machines

Protecting the Address Book...........................................................................................................................93

Specifying Address Book Access Permissions...........................................................................................93

Encrypting Data in the Address Book.........................................................................................................95

Encrypting Data on the Hard Disk

..................................................................................................................98

Enabling the Encryption Settings..............................................................................................................100

Backing Up the Encryption Key................................................................................................................102

Updating the Encryption Key....................................................................................................................103

Canceling Data Encryption......................................................................................................................104

Deleting Data on the Hard Disk....................................................................................................................105

Conditions for Use.....................................................................................................................................105

Instructions for Use....................................................................................................................................105

Auto Erase Memory..................................................................................................................................105

Erase All Memory......................................................................................................................................110

5. Enhanced Network Security

Access Control...............................................................................................................................................113

Enabling and Disabling Protocols................................................................................................................114

Enabling and Disabling Protocols Using the Control Panel...................................................................120

Enabling and Disabling Protocols Using Web Image Monitor.............................................................121

Specifying Network Security Level...............................................................................................................122

Specifying Network Security Level Using the Control Panel.................................................................122

Specifying Network Security Level Using Web Image Monitor............................................................123

Status of Functions under Each Network Security Level

.........................................................................124

Protecting the Communication Path via a Device Certificate.....................................................................127

Creating and Installing a Device Certificate from the Control Panel (Self-Signed Certificate)...........127

Creating and Installing a Device Certificate from Web Image Monitor (Self-Signed Certificate).....128

Creating the Device Certificate (Issued by a Certificate Authority).......................................................129

Installing the Device Certificate (Issued by a Certificate Authority)......................................................130

Installing an Intermediate Certificate (Issued by a Certificate Authority)..............................................131

Configuring SSL/TLS.....................................................................................................................................132

Enabling SSL/TLS......................................................................................................................................133