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A
B
[11] Nozzle receives an electric signal (A) and ejects an ink drop (B)
Drop size modulation
The VarioPrint i-series MICR printhead nozzles can produce drops of five different sizes. This
mechanism is called
drop size modulation
. The largest drop size is only used to compensate for a
failure of an adjacent nozzle. (
Learn about quality control sheets on page 398
[12] Five different drop sizes
Media characteristics such as surface roughness and the type of coating determine how an ink
drop behaves when it touches the media. The media definition has parameters that determine
which drop sizes the print engine must apply while printing these media.
A
B
C
[13] Drop size modulation: the printer adjusts the drop size depending on the media characteristics. Media with
coating (top) allow for a larger drop size than media without coating (bottom)
Background spitting
Background spitting is the production of small ink drops during printing. These ink dots on the
media sheets are not a part of the source image but are jetted in the background of the image.
They are not visible to the human eye. Background spitting keeps the nozzles open and clean.
Print Process
34
Chapter 3 - Explore the printer
VarioPrint i-series MICR
Summary of Contents for VarioPrint MICR i Series
Page 1: ...VarioPrint i series MICR Operation guide 2015 2019 Canon Production Printing ...
Page 8: ...Contents 8 VarioPrint i series MICR ...
Page 9: ...Chapter 1 Introduction ...
Page 17: ...Chapter 2 Safety and Environment Information ...
Page 25: ...Chapter 3 Explore the printer ...
Page 45: ...Chapter 4 Getting started ...
Page 55: ... 37 Password Log in to the printer Chapter 4 Getting started 55 VarioPrint i series MICR ...
Page 65: ...Chapter 5 Define defaults ...
Page 97: ...Chapter 6 Job media handling ...
Page 114: ...Manage the media from control panel 114 Chapter 6 Job media handling VarioPrint i series MICR ...
Page 115: ...Chapter 7 Transaction printing ...
Page 155: ...Chapter 8 Document printing ...
Page 257: ...Chapter 9 Save energy ...
Page 269: ...Chapter 10 Manage media definitions ...
Page 296: ...Adjust the minimum print gap 296 Chapter 10 Manage media definitions VarioPrint i series MICR ...
Page 297: ...Chapter 11 Manage color definitions ...
Page 372: ...Create a trapping preset 372 Chapter 11 Manage color definitions VarioPrint i series MICR ...
Page 373: ...Chapter 12 Print what you expect ...
Page 425: ...Chapter 13 Maintain the printer ...
Page 489: ...Chapter 14 Problem Solving ...
Page 518: ...Adjust media registration parameters 518 Chapter 14 Problem Solving VarioPrint i series MICR ...
Page 519: ...Chapter 15 References ...
Page 553: ...Chapter 16 Regulation Notices ...
Page 562: ...562 Chapter 16 Regulation Notices VarioPrint i series MICR ...
Page 575: ......