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Configuration of HTTP Communications Encryption

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The SSL/TLS protocol is used to encrypt the HTTP communications between a client and the machine. To encrypt communications, either one of the device certificate is required: a self-signed certificate or a certificate issued by another CA. NOTE: • By encrypting HTTP communications, communications data can be encrypted at the time of printing using IPP (SSL encrypted communications). Encrypting HTTP Communications from the Machine to a Remote Server (SSL/TLS Client) The SSL/TLS protocol is used to encrypt the HTTP communications between a remote server and the machine. No certificate is required in general. However; if a remote server is set to require an SSL client certificate, you can use a certificate issued by another CA. When verification of server certificates is enabled to verify the SSL/TLS certificate of a remote server, import a certificate issued by another CA using Dell Printer Configuration Web Tool to the machine. Encryption using IPSec IPSec enables IP-level (not application-level) encrypted communications with remote devices. If you select Digital Signature for IKE Authentication Method, a certificate issued by another CA is required. If you select Preshared Key, no device certificate is required. NOTE: • If the certificate for IPSec contains the V3 extension (keyUsage), "digitalSignature" bit must be asserted. To verify the certificate of the remote device, you must register a root certificate created by a CA of the remote device on the machine. NOTE: • To use certificates that have already been created, import them with Dell Printer Configuration Web Tool. E-mail Encryption/Digital Signature S/MIME is used for E-mail Encryption/Digital Signature. To use S/MIME on the machine, S/MIME certificates are used. For an S/MIME certificate, you can use a certificate issued by another CA. The personal certificates or the device certificates of destinations are required for encrypted communications. NOTE: • If the certificate for S/MIME contains an "email Address" or a V3 extension (keyUsage), "digitalSignature" and "keyEncipherment" must be asserted. If the certificate contains v3 extension (extendedKeyUsage), "emailProtection" must be set. Configuration of HTTP Communications Encryption This section describes the settings to encrypt HTTP communications. Encryption and Digital Signature Settings | 277

Section	Page
Contents	2
1 Before Beginning	13
Notes, Cautions, and Warnings	14
User's Guide	15
Conventions	15
Finding Information	16
Product Features	17
Graphic Symbols on the Printer and Their Meanings	19
About the Printer	20
Front and Rear Views	20
Duplex Automatic Document Feeder (DADF)	22
Control Panel	23
Additional Components	23
2 Setting Up the Printer (Printer Setup)	25
Preparing Printer Hardware	26
Space Requirements	26
Securing the Printer	26
Connecting and Setting Up Your Printer	30
Connecting to a Computer or a Network	30
Connecting to a Telephone Line	31
Turning On/Off the Printer	33
Configuring Initial Settings on the Control Panel	34
Setting Up the Printer Using Dell Printer Easy Install (Windows® Only)	35
Configuring the Wireless Settings	36
Setting the IP Address	42
Assigning an IP Address	42
Verifying the IP Settings	43
Installing Printer Drivers on Windows® Computers	44
Identifying Printer Driver Pre-install Status	44
Starting Dell Printer Easy Install	44
USB Cable Connection Setup	45
Network Connection Setup	46
Setting Up for Shared Printing	47
Installing Printer Drivers on Macintosh Computers	49
Installing the Drivers and Software	49
Installing Printer Drivers on Linux Computers (CUPS)	51
Operation on Red Hat Enterprise Linux 6 Desktop	51
Operation on SUSE Linux Enterprise Desktop 11	53
Operation on Ubuntu 12.04 LTS	56
3 Using Your Printer	59
Control Panel	60
About the Home Screen	60
Basic Operations on the Touch Panel	60
Moving, Adding or Removing the Tiles	61
Using the Keyboard Displayed on the Touch Panel	62
Changing the Language and Keyboard Layout	62
Setting the Power Saver Timers	62
About the Concurrent Jobs Feature	62
Device	63
Language	63
About	63
Notifications	64
Paper Trays	64
Supplies	64
Billing/Usage	64
General	64
Apps	67
Connectivity	69
Support	76
Resets	78
Copy	79
Quantity	79
Action Footer	79
Preset	80
Output Color	80
2-Sided	81
Paper Supply	82
Collated	82
Reduce/Enlarge	82
Original Type	83
Lighten/Darken	84
Sharpness	84
Saturation	84
Image Enhancement	84
Color Effects	84
Color Balance	85
Original Orientation	85
Edge Erase	86
Original Size	87
Image Shift	88
Book Copying	89
Page Layout	90
Sample Copy	92
ID Card Copy	93
Action Footer	93
Quantity	93
Output Color	93
Paper Supply	94
Reduce/Enlarge	94
Original Type	94
Lighten/Darken	95
Image Enhancement	95
Scan To	97
Destination Selection Screen	97
Action Footer	98
Preset	99
Preview	99
Output Color	99
2-Sided Scanning	99
Original Type	99
Lighten/Darken	100
Sharpness	100
Saturation	100
Resolution	100
Auto Background Suppression	100
Contrast	100
Original Orientation	101
Edge Erase	101
Original Size	102
Remove Blank Pages	103
Book Scanning	103
If File Already Exists	104
Email	105
Subject	105
From	105
Reply To	105
Message	105
Fax	106
Action Footer	106
Preset	107
Preview	107
2-Sided Scanning	107
Original Type	107
Lighten/Darken	108
Sharpness	108
Resolution	108
Original Size	108
Remove Blank Pages	109
Book Faxing	109
Starting Rate	110
Cover Sheet	111
Transmission Header Text	111
Delay Send	111
Priority Send	112
Manual Send	112
Polling	112
Jobs	113
Job List	113
USB	114
Supported USB	114
Supported File Formats	115
Scan to USB	115
Print from USB	116
Address Book	117
Add Contact	117
Add Group	118
Using the Contacts List	118
Dell Printer Configuration Web Tool	120
Overview	120
Setting Up the Dell Printer Configuration Web Tool	120
Starting the Dell Printer Configuration Web Tool	121
Overview of the Menu Items	121
Page Display Format	122
Home	123
Apps	128
Address Book	149
Jobs	153
Connectivity	154
Permissions	176
System	188
Print Media Guidelines	204
Supported Print Media	204
Supported Paper Weight	205
Unacceptable Print Media	206
Recommended Print Media	206
Print Media Storage Guidelines	208
Loading Print Media	209
Before Loading	209
Loading Print Media in Tray 1 and the Optional 550-Sheet Feeder	209
Loading Print Media in the Bypass Tray	212
Linking Trays	215
Loading Documents	216
Before Loading Documents in the DADF	216
Loading a Document in the DADF	216
Loading a Document on the Document Glass	217
4 Printing, Copying, Scanning and Faxing	219
Printing	220
Tips for Successful Printing	220
Sending a Job to Print	220
Canceling a Print Job	221
Duplex Printing	221
Using Stored Print	223
Print From USB	225
Printing With Wi-Fi Direct	226
Mobile Printing	228
AirPrint	228
Google Cloud Print™	229
MopriaTM Print Service	234
Copying	235
Loading Paper for Copying	235
Selecting Paper Tray	235
Preparing a Document	235
Starting the Copy Job	235
Confirming the Copy Job in Jobs	236
Stopping the Copy Job	236
Setting Copy Options	237
Using the ID Card Copy Feature	237
Scanning	238
Scanning Overview	238
Scanning Using the Windows Image Acquisition (WIA) Driver (USB connection not supported)	239
Scan To	240
Email	243
My Folder	245
Scan to USB	247
Scan to Desktop	250
Operations during Scanning	251
Faxing	253
Sending a Fax	253
Sending a Delayed Fax	256
Sending a Fax Directly from a Computer	257
Receiving a Fax	260
Fax Forwarding	261
Broadcast	262
Printing a Report	262
Using the Telephone	262
5 Know Your Printer	265
User Authentication and Accounting	266
Types of Users	266
Roles	266
Types of Authentication	267
Types of Account Administration	267
Authentication and Accounting Relationship	268
User Authentication Operations	268
Creating and Editing User Accounts	270
User Authentication for Accounting	271
Screen Customization	272
Customizing the Home Screen	272
Customizing App Screens	272
Address Books	274
Types of Address Books	274
Adding and Editing Entries to the Address Books	274
Using the Device Address Book	274
Using the Fax Phonebook	275
Using the Server Address Book	275
Encryption and Digital Signature Settings	276
Encryption and Digital Signature Overview	276
Configuration of HTTP Communications Encryption	277
Configuration of Encryption using IPSec	279
Configuration of E-mail Encryption/Digital Signature	280
Configuration of Wireless LAN WPA-Enterprise (EAP-TLS)	281
Configuration of Wireless LAN WPA-Enterprise (PEAPV0-MS-CHAPV2, EAP-TTLS PAP, EAP-TTLS CHAP)	282
E-mail Environment Settings	283
E-mail Overview	283
Preparations	283
Installation Procedures	284
Understanding Printer Messages	286
Status Codes	286
Other Errors	351
Specifications	352
Operating System Compatibility	352
Power Supply	352
Dimensions	353
Weight	353
Memory	353
Page Description Language (PDL)/Emulation, Operating System, and Interface	354
Environment	355
Cables	355
Print Specifications	356
Copy Specifications	356
Scanner Specifications	356
Facsimile Specifications	357
Wireless Connection Specifications	358
6 Maintaining Your Printer	359
Maintaining Your Printer	360
Determining the Status of Supplies	360
Conserving Supplies	364
Replacing the Waste Toner Box	370
Cleaning the Exterior	372
Cleaning the Touch Screen	373
Cleaning the Scanner	373
Cleaning the DADF Feed Rollers	375
Cleaning Inside the Printer	376
Moving the Printer	384
Adjusting Color Registration	385
Removing Options	389
Removing the Optional 550-Sheet Feeder	389
Removing the Optional Wireless Adapter	391
Removing the Optional Caster Cabinet	393
7 Troubleshooting	395
Clearing Jams	396
Avoiding Jams	396
Identifying the Location of Paper Jams	397
Clearing Paper Jams From the DADF	397
Clearing Paper Jams From the Bypass Tray	401
Clearing Paper Jams From Tray 1	403
Clearing Paper Jams From Inside the Rear Cover	404
Clearing Paper Jams From the Optional 550-Sheet Feeder	408
Basic Printer Problems	410
Display Problems	411
Printing Problems	412
Print Quality Problems	413
The output is too light	413
Toner smears or print comes off	413
Random spots/Blurred images	414
The entire output is blank	414
Dark or colored streaks appear on the output	415
Part of the entire output is black or a color (CMY) is missing	415
Dark and color dots repeating at the same interval	415
Vertical voids or lighter areas	416
Ghosting	417
Light-induced fatigue	417
Fog (background)	418
Bead-Carry-Out (BCO)	418
Jagged characters	419
Banding	419
Auger mark	420
Wrinkled/Stained paper	420
Damage on the leading edge of paper	421
Jam/Alignment Problems	422
The top and side margins are incorrect	422
Color registration is out of alignment	422
Images are skewed	423
Tray 1/Optional 550-Sheet Feeder Misfeed Jam	423
Bypass Tray Misfeed Jam	424
Regi Jam (Exit Sensor On JAM)	424
Exit Jam (Exit Sensor Off JAM)	425
Tray 1/Optional 550-Sheet Feeder Multi-feed Jam	425
Bypass Tray Multi-feed Jam	425
Noise	427
Copy and Scan Problems	428
Unable to Copy/Scan with the Machine	428
The Copy/Scan Result is not What was Expected	428
Fax Problems	430
Sending Problems	430
Receiving Problems	430
Digital Certificate Problems	432
Network-related Problems	433
When using SMB	433
When using TCP/IP	433
E-mail Features Problems	434
Internet/Intranet Connection Problems	435
IPv4 and IPv6 Connection Problems	436
Problems With Installed Optional Accessory	438
Wi-Fi Direct Problems	439
Scanner Driver/Printer Utility Problems	440
Other Problems	441
Contacting Service	442
Appendix	443
TWAIN Scanner Driver	444
TWAIN Scanner Driver Introduction	444
Launching the TWAIN Driver User Interface	445
Image Capture Application Scanner Driver	449
Image Capture Application Scanner Driver Introduction	449
Scan to Fax Server	452
Scan to Fax Server Introduction	452
SharePoint Connector	456
SharePoint Connector Introduction	456
DellTM Technical Support Policy	462
Online Services	462
Warranty and Return Policy	463
Recycling Information	463
Contacting Dell	464
About License	465
Dell Color Smart Multifunction Printer \| S3845cdn	465
As for RSA BSAFE	610
ICC Profile Header	610
JPEG Library	610
Math Library	611
libtiff	611
Zlib	612

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Encryption and Digital Signature Settings

277

The SSL/TLS protocol is used to encrypt the HTTP communications between a client and

the machine.

To encrypt communications, either one of the device certificate is required: a self-signed

certificate or a certificate issued by another CA.

NOTE:

•

By encrypting HTTP communications, communications data can be encrypted at the time of

printing using IPP (SSL encrypted communications).

Encrypting HTTP Communications from the Machine to a Remote Server

(SSL/TLS Client)

The SSL/TLS protocol is used to encrypt the HTTP communications between a remote

server and the machine.

No certificate is required in general. However; if a remote server is set to require an SSL

client certificate, you can use a certificate issued by another CA.

When verification of server certificates is enabled to verify the SSL/TLS certificate of a

remote server, import a certificate issued by another CA using

Dell Printer Configuration

Web Tool

to the machine.

Encryption using IPSec

IPSec enables IP-level (not application-level) encrypted communications with remote

devices.

If you select

Digital Signature

for

IKE Authentication Method

, a certificate issued by

another CA is required.

If you select

Preshared Key

, no device certificate is required.

NOTE:

•

If the certificate for IPSec contains the V3 extension (keyUsage), "digitalSignature" bit must be

asserted.

To verify the certificate of the remote device, you must register a root certificate created

by a CA of the remote device on the machine.

NOTE:

•

To use certificates that have already been created, import them with

Dell Printer Configuration

Web Tool

E-mail Encryption/Digital Signature

S/MIME is used for E-mail Encryption/Digital Signature. To use S/MIME on the machine,

S/MIME certificates are used.

For an S/MIME certificate, you can use a certificate issued by another CA.

The personal certificates or the device certificates of destinations are required for

encrypted communications.

NOTE:

•

If the certificate for S/MIME contains an "email Address" or a V3 extension (keyUsage),

"digitalSignature" and "keyEncipherment" must be asserted. If the certificate contains v3 extension

(extendedKeyUsage), "emailProtection" must be set.

Configuration of HTTP Communications Encryption

This section describes the settings to encrypt HTTP communications.