Details - iPF6400/iPF6450 Firmware Ver.1.18 (Firmware Update Tool Ver.3.60) for Mac OS X v10.6-v10.8
ID: 0400077302_EN_2
You can use this program to update the printer firmware version.

How to Download and Install
(1) Switch the printer on.
(2) Decompress it on your computer hard disk.
(3) Execute the imagePROGRAF FirmUpdate file. 
    The imagePROGRAF Firmware Update Tool is installed.
(4) Execute the installed imagePROGRAF Firmware Update Tool.
Driver/Software Details
File Name
iPF64006450-FUT-MacX8-0118.dmg
File Version
1.18
File Size
23.51 MB
File Languages
English | Spanish | German | French | Italian | Japanese | Korean | Chinese
Post Date
10/15/2013
History
Modifications from Ver.1.16 to Ver.1.18
1.The failure rarely happens that the printer does not retrieve from sleep mode has been fixed.
2.Minor bug has been fixed.

Modifications from Ver.1.00 to Ver.1.16
1.The set value of the Nozzle Check interval has been changed as follows:
    Before: *Standard, 1 page
    After: *Standard, 1 page, 10 pages, Off
    *factory shipment value
2.Added the new sequence that all pinch rollers are lifted to release roll paper when the LED of "JAM1" and "JAM2" message lights.
3."OFF mode" of paper leading edge detection function for roll paper feeding has been added.
Environment
Software:
  Mac OS X v10.6 to v10.8, English edition

 Hardware:
  The softwares above require the Intel processor of the Macintosh Series computers.

Interface Connectivity:
  The printer and computer where this program is executed must be connected 
  with either of the following methods.

  - Connected via an Bonjour and capable of printing via the network. 
  - Connected via a USB or FireWire port cable and capable of printing as a local printer.
Caution
*  Before you start the firmware version update program, close any other applications 
   that are running.

*  Before executing the firmware update of a printer connected to the network, 
   make sure AppleTalk is selected "Active".

*  Do not try to use the printer while the firmware version update program is running. 
   If a print job is executing, cancel the print job or wait for the job to finish 
   before you execute the version update program.

*  Never switch off the target printer while the firmware version update program is running.

*  If the firmware version update fails while writing to the flash ROM, 
   you may not be able to start the printer. In this case, 
   contact a Canon service center or the dealer where you purchased the printer.
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