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Device Control command

Introduction

The Device Control command consists of a number of command areas.

Obtain printer characteristics

Command

Description

Carried data

X’0001’

Printable Area

For each paper input tray a set of data is sent to the host. The data consists of the following fields:

  • Media Source ID: the tray number through which the media can be selected.

  • Medium Size: the size of the medium.

  • Flags: compressed data which describes:

    • if the medium can be printed in duplex mode,

    • if the media is continuous or cut sheet,

    • if continuous forms contain carrier strips,

    • type of tray, normal or inserter tray.

  • Followed by 0, 1 or 2 optional media ID entries.

    Each media ID entry consists of the following data:

    • Length: specifies the length of the media ID,

    • Media ID type: a standard media name or a user defined media name,

    • Media OID: an "Extended Binary Coded Decimal Interchange Code" (EBCDIC) string, or a media OID, which is registered by IBM.

X’0003’

Image and Coded Font Resolution

  • Automatic:

    Automatic resolution

    Print head resolution X=600DPI

    Print head resolution Y=600DPI

  • 600 DPI:

    No automatic resolution

    Print head resolution X=600DPI

    Print head resolution Y=600DPI

  • 300 DPI:

    No automatic resolution

    Print head resolution X=300DPI

    Print head resolution Y=300DPI

  • 240 DPI:

    No automatic resolution

    Print head resolution X=240DPI

    Print head resolution Y=240DPI

X’0006’

Installed features

No installed features reported.

X’0007’

Available features

No available features reported.

X’0013’

Product Identifier

The printer identifies itself by:

  • a 6 character Device Type,

  • a 3 character Manufacturer ID (CAJ (=Canon))

X’0018’

Finishing Operations

This field lists all the optional finishing operations that the printer supports at the moment. Finishing devices which have been turned off or are otherwise not available will not appear in the list. The optional finishing operations are found in section about paper output handling.

Presentation fidelity control

The printer supports the following presentation fidelity control triplets:

  • Colour fidelity, which concerns colour matching,

  • Finishing fidelity, which handles incompatibilities of finishing and media sizes,

  • Text fidelity, which concerns incompatibilities when printing text,

  • CMR tag fidelity, which concerns incompatibilities in Colour Matching Resources.

The fidelity controls offer three alternatives:

  • Continue without an exception,

  • Continue, but report the exception,

  • Stop and report the exception.

Two other fidelity types are supported:

  • Font fidelity, which concerns incompatibilities in font matching and is handled in the printer driver,

  • Media fidelity, which concerns incompatibilities in media matching and is handled in the printer driver.

Invoke CMR

The Invoke CMR IPDS command establishes an application default CMR at the Homestate level. The default CMR is used when there is no data-object CMR or embedded colour profile. If no CMRs are invoked and activated, the device default profile will be used.

Set presentation environment

  • Rendering Intent:

    A set of rules which define how to translate one colour space to another. While the Rendering Intents are primarily designed to control the translation of out-of-gamut colours, they may also have an effect on the in-gamut colours.

  • Device appearance:

    This can be used to force a full colour printer to rip in B/W in stead of colour. The purpose can be saving costs or improving RIP-performance if a document contains only a few pages of colour information.

Rasterize Presentation Object (RPO)

The RPO command requests that a previously stored IOCA Image or Object Container shall be pre-RIP’d and stored for further use. The pre-RIP’d and cached version of the presentation object may later be included on a page or overlay through the Include Data Object IPDS command.

The RPO function works with the following presentation objects:

  • IOCA images

  • TIFF object containers

  • GIF object containers

  • JFIF/JPEG object containers

  • PDF object containers

Execute Order

The Canon imagePRESS C800 Series support the following commands:

  • Activate Printer Alarm,

  • Alternate Offset Stacker,

  • Discard Buffered Data,

  • Exception Handling Control,

  • Mark Form,

  • Request resource List,

  • Extend Features Control,

  • Define Group Boundary,

  • Eject to Front Facing,

  • Erase Residual Font Data,

  • Erase Residual Print Data,

  • Obtain Printer Characteristic,

  • Page Counters Control,

  • Print Buffered Data,

  • Select Input Media Source,

  • Set Media Origin,

  • Specify Group Operation,

  • Trace.

Parent topic:
IPDS command set
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