User Manual
Table Of Contents
- About This Document
- Contents
- Introduction
- Getting Started
- Print Operations
- Determining Printer Configuration
- Thermal Printing
- Modes of Printing
- Print Media Types
- Replacing Supplies
- Adjusting the Print Width
- Adjusting the Print Quality
- Media Sensing
- Printing on Fan-Fold Media
- Printing with Externally Mounted Roll Media
- Fonts and Your Printer
- Stand Alone Printing
- Sending Files to the Printer
- Print Meter
- EPL Line Mode
- Printer Options
- Control Panel Operation
- Maintenance
- Troubleshooting
- Appendix
Printer Options
Moveable Blackline Sensor Option
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980611-001 Rev. B GX420d User Guide 6/4/08
Adjusting the Moveable Blackline Sensor for Black Mark or Notches
Load the media. Before closing the printer, adjust the moveable blackline sensor as follows:
1. Flip the media back over the roll to expose the black marks on the backside (non printing
side) of the media. This is not required for notched media.
2. Slide the moveable sensor from the center default position to align with the black marks.
The arrow on the moveable sensor should line up with the right edge of the black mark for
marks on either side of the media (left side show).
Black Marks