Print position: Difference between revisions
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'''Print position''' refers to where the image is placed on the printed page. On digital duplicators, the print position can be adjusted ''after'' a [[Stencil]] has been made. | '''Print position''' refers to where the image is placed on the printed page. On digital duplicators, the print position can be adjusted ''after'' a [[Stencil]] has been made. | ||
Print position is a ''translation'' along two axes (for ''rotation'', see [[Skew]]). In {{Brand chip|Riso}} terminology the feed edge is the ''top'' of the page, regardless of paper orientation or the orientation of the printed image on it. So the axis along the paper feed (from the feed elevator to the exit tray) is referred to as the “vertical” direction, and the perpendicular axis (from the front of the machine to the rear of it) is the “horizontal” direction. | Print position is a ''translation'' along two axes (for ''rotation'', see [[Skew]]). In {{Brand chip|Riso}} terminology the feed edge is the ''top'' of the page, regardless of paper orientation or the orientation of the printed image on it. So the axis along the direction of paper feed (from the feed elevator to the exit tray) is referred to as the “vertical” direction, and the perpendicular axis (from the front of the machine to the rear of it) is the “horizontal” direction.<ref>Using the VisualEditor's "Cite" button to create (probably) a <code><nowiki><ref></nowiki></code>tag.</ref> | ||
== Adjustment == | == Adjustment == | ||
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=== Fine adjust mode === | === Fine adjust mode === | ||
The highest model risos have an optional setting called "Fine Adjust Mode" which changes the fidelity of digital positioning. Normally each button press will move the image 0.5 mm in any direction; with fine adjust mode enabled the movement changes to 0.1 mm. For risographs that have the option (usually those with touch screens) it can be enabled by changing the value of test mode | The highest model risos have an optional setting called "Fine Adjust Mode" which changes the fidelity of digital positioning. Normally each button press will move the image 0.5 mm in any direction; with fine adjust mode enabled the movement changes to 0.1 mm. For risographs that have the option (usually those with touch screens) it can be enabled by changing the value of [[test mode]] <code>168</code> to 1. | ||
== Calibration == | == Calibration == | ||
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* [[Calibrating print position on RZ+ machines]] | * [[Calibrating print position on RZ+ machines]] | ||
* [[Calibrating print position on GR/FR machines]] | * [[Calibrating print position on GR/FR machines]] | ||
== References == | |||
<references/> | |||
Latest revision as of 15:34, 12 December 2024
Print position refers to where the image is placed on the printed page. On digital duplicators, the print position can be adjusted after a Stencil has been made.
Print position is a translation along two axes (for rotation, see Skew). In 
terminology the feed edge is the top of the page, regardless of paper orientation or the orientation of the printed image on it. So the axis along the direction of paper feed (from the feed elevator to the exit tray) is referred to as the “vertical” direction, and the perpendicular axis (from the front of the machine to the rear of it) is the “horizontal” direction.[1]
Adjustment
There are two systems to control print position while printing: digital positioning, and manual positioning. Which is used depends on the machine you're printing with.
- Digital positioning uses arrow keys on the control panel to move the print—each button click will move the image a set unit in a cardinal direction on subsequent prints. All duplicators have digital control on the left/right axis (along the length of the paper path) by changing the timing of the paper reaching the drum. Higher level models also also have digital control in the up/down axis by moving the drum itself forward and back in the riso.
- Manual positioning is used in older and more limited models to adjust the up/down print positioning. It functions by turning a dial on the paper feed tray that moves the whole stack of paper forward and back.
Fine adjust mode
The highest model risos have an optional setting called "Fine Adjust Mode" which changes the fidelity of digital positioning. Normally each button press will move the image 0.5 mm in any direction; with fine adjust mode enabled the movement changes to 0.1 mm. For risographs that have the option (usually those with touch screens) it can be enabled by changing the value of test mode 168 to 1.
Calibration
It is useful periodically to recalibrate the base print position (AKA where things print without any adjustments). Sometimes it’s even necessary to recalibrate, when the print position falls outside of the adjustable range—when the position adjustments are maxed out and the print still isn’t in the correct spot.
References
- ↑ Using the VisualEditor's "Cite" button to create (probably) a
<ref>tag.