Settings for Scanning Using the Operation Panel - TC-20M

Article ID: ART181881 | Date published: 04/13/2023 | Date last updated: 04/13/2023


This article provides information on the settings you can adjust when scanning from the operation panel of the imagePROGRAF TC-20M.


You can change the scan settings such as the scan size, resolution, or data format.

When the Scan standby screen is displayed, select Scan settings to select the setting item. Flick to display setting items and select the setting item to display the settings. Select to specify the setting.

 The scan setting cannot be specified when you forward the scanned data to the computer using WSD (one of the network protocols supported in Windows).

 Some settings cannot be specified in combination with the setting of other setting item, the document type selected for Doc.type, or the scan menu on the screen for selecting to which you save the data. If the setting which cannot be specified in combination is selected, Exclamation mark and Error details are displayed on the touch screen. In this case, select Exclamation mark on the upper left on the touch screen to check the message and change the setting.

 The specified scan settings such as the scan size, resolution, and data format are retained even if the printer is turned off.

 When scanning starts in the scan menu that is not available with the specified setting, The specified function is not available with current settings. is displayed on the touch screen. Change the setting, following the on-screen instructions.

Figure: Scan settings screen

  • Scan size

    Select the size of the original.

  • Format

    Select the data format of the scanned data.

  • Scan res (Scan resolution)

    Select the resolution for scanning.

  • Preview

    Select to preview the scanned data or not when saving the data on a USB flash drive.

  • Reduce show-thru (Reducing show-through)

    Characters on the back may show through when scanning a thin document such as a newspaper. Select ON if characters seem to show through on the scanned document.

    This setting item is not available when Photo is selected for Doc.type.

  • Descreen

    A printout consists of minute dots to make characters or graphs. Interfering with each dot may result in uneven shades or a striped pattern. Select ON if you notice any uneven shades or a striped pattern on the scanned image.

    This setting item is not available when Photo is selected for Doc.type.

     Even if ON is selected for this setting, some moire effects may remain if Unsharp mask is set to ON. In that case, select OFF for Unsharp mask.

  • Unsharp mask

    The outline of small characters or thin objects such as a hair or leaves on a photo can be accentuated. Select ON if you want to accentuate the outline of the scanned data.

     For macOS, the unsharp mask function does not work even if you select ON.

If your product issue was not resolved after following the steps above, or if you require additional help, please create or log in to your Canon Account to see your technical support options.

Or if you still need help, visit our Canon Community by clicking the button below to get answers:

Link to Canon Community Forum


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