DF-611 Standard Reversing Automatic Document Feeder: 100-sheet capacity; accepts paper sizes from 5-1/2” x 8-1/2” to 11” x 17”, weights up to 110 lb. index.
FS-608 Booklet Finisher: Provides sorting, grouping, stapling and 80-page booklet-making capabilities in addition to half-fold and tri-fold support.
FS-517 Staple Finisher: A basic finisher that provides 50-sheet stapling and customizable sorting, grouping and stapling functions.
FS-519 Internal Finisher: Provides 50-sheet stapling, banner printing and customized capabilities for sorting, grouping, and stapling.
SD-505 Saddle Unit: Adds saddle-stitch booklet-making capability (for FS-519 Finisher).
PK-512 Punch Kit: Adds 2/3-hole punching capability to your FS-608 or FS-517 Finisher.
PK-510 Punch Kit: Adds 2/3-hole punching capability to your FS-519 Finisher.
MT-502 Mail Bin Unit: Adds mailbin output capability (for FS-519 Finisher).
OT-602 Output Tray: Provides an extra output tray (for FS-519 Finisher) that allows printed pages to be separated.
OT-503 Output Tray: For the bizhub C451 base unit when no finisher is attached.
JS-504 Job Separator: Allows users to specify priority output trays for copy, printer, fax and report output jobs (operates in conjunction with the OT-503 Output Tray).
LU-301 Large Capacity Unit: Holds an additional 3,000 sheets of letter-size paper, bringing total paper capacity to 6,650 sheets.
IC-409 Fiery® Image Controller: Provides advanced color management tools for in-house printing.
FK-502 Super G3 Fax Board: Adds Super G3 Fax capability to the bizhub C451.
MK-704 Fax Connection Kit: For FK-502 Super G3 Fax Board.
ML-501 Fax Multi-Line Kit: Adds dual-line capability for high-volume facsimile traffic.
SP-501 Stamp Unit: For DF-611 Document Feeder.
Spare TX Marker: Replacement for TX marker stamp when marking becomes faint.
AU-101 Biometric Authentication Unit: Provides sophisticated user authentication to guard against unauthorized access to sensitive data.
EK-603 Local Interface Kit: Provides connection for the AU-101 Biometric Authentication Unit to the bizhub C451 via USB 2.0.
WT-502 Working Table: Required to house the optional AU-101 Biometric Authentication Unit; also adds an extra work surface to make walk-up copy jobs easier.
SC-503 HDD Encryption Kit: To encrypt data stored on the hard disk drive in order to protect access to sensitive data.
SA-501 Scan Accelerator Kit: Accelerates scan conversion and allows you to print or combine documents scanned to a User Box at the device.