canon pixma 3520 scanner not recognized

Freya recognized the Canon Pixma 3520 printer, but the Scanner app did not. This is an all-in-one printer/scanner/fax.

ProblemType: Bug
DistroRelease: elementary OS 0.3
Package: elementary-desktop 1.353+397~ubuntu0.3.1 [origin: unknown]
ProcVersionSignature: Ubuntu 3.13.0-43.72-generic 3.13.11.11
Uname: Linux 3.13.0-43-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.6
Architecture: amd64
CrashDB: elementary_meta
CurrentDesktop: Pantheon
Date: Wed Dec 31 16:09:01 2014
InstallationDate: Installed on 2014-12-25 (6 days ago)
InstallationMedia: elementary OS 0.3 "Freya" - Daily amd64 (20140810)
ProcEnviron:
 LANGUAGE=en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: elementary-meta
SuspiciousXErrors:

ThirdParty: True
UpgradeStatus: No upgrade log present (probably fresh install)