Scan report 422 - HP LaserJet MFP M28-M31

Scanner

  • Manufacturer: HP
  • Model: LaserJet MFP M28-M31
  • Nice name: HP LaserJet MFP M28-M31
  • Device ID: sane:hpaio:/usb/HP_LaserJet_MFP_M28-M31?serial=VNC5L02598
  • Type: Flatbed
scanner type
  1. tl-x
    • constraint: [0.0, 215.90000915527344, 0.0]
    • unit: <enum LIBINSANE_UNIT_MM of type Libinsane.Unit>
    • type: <GType gdouble (60)>
    • initial_value: 0.0
    • title: Top-left x
    • capabilities: <flags LIBINSANE_CAPABILITY_SW_SELECT of type Libinsane.Capability>
    • desc: Top-left x position of scan area.
  2. compression
    • constraint: ['JPEG']
    • unit: <enum LIBINSANE_UNIT_NONE of type Libinsane.Unit>
    • type: <GType gchararray (64)>
    • initial_value: JPEG
    • title: Compression
    • capabilities: <flags LIBINSANE_CAPABILITY_SW_SELECT of type Libinsane.Capability>
    • desc: Selects the scanner compression method for faster scans, possibly at the expense of image quality.
  3. tl-y
    • constraint: [0.0, 297.01068115234375, 0.0]
    • unit: <enum LIBINSANE_UNIT_MM of type Libinsane.Unit>
    • type: <GType gdouble (60)>
    • initial_value: 0.0
    • title: Top-left y
    • capabilities: <flags LIBINSANE_CAPABILITY_SW_SELECT of type Libinsane.Capability>
    • desc: Top-left y position of scan area.
  4. br-x
    • constraint: [0.0, 215.90000915527344, 0.0]
    • unit: <enum LIBINSANE_UNIT_MM of type Libinsane.Unit>
    • type: <GType gdouble (60)>
    • initial_value: 215.90000915527344
    • title: Bottom-right x
    • capabilities: <flags LIBINSANE_CAPABILITY_SW_SELECT of type Libinsane.Capability>
    • desc: Bottom-right x position of scan area.
  5. source
    • constraint: ['Flatbed']
    • unit: <enum LIBINSANE_UNIT_NONE of type Libinsane.Unit>
    • type: <GType gchararray (64)>
    • initial_value: Flatbed
    • title: Scan source
    • capabilities: <flags LIBINSANE_CAPABILITY_SW_SELECT of type Libinsane.Capability>
    • desc: Selects the scan source (such as a document-feeder).
  6. jpeg-quality
    • constraint: [0, 100, 0]
    • unit: <enum LIBINSANE_UNIT_NONE of type Libinsane.Unit>
    • type: <GType gint (24)>
    • initial_value: (Exception: libinsane-quark: Libinsane opt[jpeg-quality]->get_value() error: 0x40000008, Access denied (9))
    • title: JPEG compression factor
    • capabilities: <flags LIBINSANE_CAPABILITY_SW_SELECT | LIBINSANE_CAPABILITY_INACTIVE of type Libinsane.Capability>
    • desc: Sets the scanner JPEG compression factor. Larger numbers mean better compression, and smaller numbers mean better image quality.
  7. resolution
    • constraint: [200, 300, 600]
    • unit: <enum LIBINSANE_UNIT_DPI of type Libinsane.Unit>
    • type: <GType gint (24)>
    • initial_value: 300
    • title: Scan resolution
    • capabilities: <flags LIBINSANE_CAPABILITY_SW_SELECT of type Libinsane.Capability>
    • desc: Sets the resolution of the scanned image.
  8. mode
    • constraint: ['Gray', 'Color']
    • unit: <enum LIBINSANE_UNIT_NONE of type Libinsane.Unit>
    • type: <GType gchararray (64)>
    • initial_value: Color
    • title: Scan mode
    • capabilities: <flags LIBINSANE_CAPABILITY_SW_SELECT of type Libinsane.Capability>
    • desc: Selects the scan mode (e.g., lineart, monochrome, or color).
  9. br-y
    • constraint: [0.0, 297.01068115234375, 0.0]
    • unit: <enum LIBINSANE_UNIT_MM of type Libinsane.Unit>
    • type: <GType gdouble (60)>
    • initial_value: 297.01068115234375
    • title: Bottom-right y
    • capabilities: <flags LIBINSANE_CAPABILITY_SW_SELECT of type Libinsane.Capability>
    • desc: Bottom-right y position of scan area.

Test scan

OS: Linux

Test successful: False

  • Source: flatbed
  • Resolution: 200 dpi
  • Mode: Color

422_traces.txt: [raw] [colorized]

Additional information

  • OS type: posix
  • Test program: ironscanner 2.0-29-g8096331
  • Scan library: Libinsane 1.0.3-19-g879e019
  • Pillow: 4.0.0
  • Python version: 3.5.3 (default, Sep 27 2018, 17:25:39) [GCC 6.3.0 20170516]
  • Architecture:
  • Platform:
    • Short: Linux
    • Detailed: Linux-4.9.0-11-amd64-x86_64-with-debian-9.11
    • Release:
    • System: Linux
  • Architecture:
  • CPU frequency: 0
  • Number of CPUs: 8
  • Processor:
  • Machine: x86_64
  • Memory: 16771178496

Reported by: [Michel]

REST API link: /api/v1/scannerdb/scan_reports/422/