Feed-speed control
The product adjusts the feed speed to obtain the best print quality depending on the type of print media. The
product prints at the speed corresponding to the print mode specified by the formatter.
Auto Sense mode Print mode Print speed Media
sensor
detection
Normal mode Normal 1/1 Yes
Light mode Light media 1 1/1 Yes
Heavy Mode Heavy media 1 2/3 Yes
Cardstock Mode Heavy media 3 1/3 No
Transparency Mode OHT 1/3 Yes
Transparency2 Mode OHT + higher fuser temp 1/3 Yes
Envelope Mode Envelope 2/3 No
Label Mode Label 1/3 No
Tough Mode Glossy film 1/3 Yes
Extra Heavy Mode Heavy media 2 1/3 Yes
Heavy Glossy Mode Glossy media 1 2/3 Yes
X-hvyglossymode Glossy media 2 1/3 Yes
Rough Mode Rough 2/3 No
Card Glossy Mode Glossy media 3 1/3 Yes
4mm trns Mode OHT + lower fuser temp 1/3 Yes
Light Rough Mode Light media 1 + fuser temp adjustments 1/1 Yes
Fusing and delivery block
The fusing-and-delivery block fuses the toner image onto the print media and delivers the printed page to
the output bin.
Loop control
The product controls the loop (slackness) of print media to prevent the defects of print quality and media
feed.
●
If the fuser sleeve rotates slower than the ITB, the paper loop increases and an image defect or paper
crease occurs.
●
If the fuser sleeve rotates faster than the ITB, the paper loop decreases and an image is stretched
because the toner image is not transferred to the paper correctly
Two loop sensors located between the fuser sleeve and the ITB detect the paper loop. Accordingly the DC
controller controls the rotational speed of the fuser motor to keep the loop amount properly.
58 Chapter 1 Theory of operation ENWW
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