Ricoh Pro C9210 Panduan Petunjuk Pengoperasian - Halaman 20
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2. Printing Process
Paper Delivery
Mainframe
The paper feed/delivery system consists of various technologies to meet high front-to-back registration
requirements demanded in the commercial printing market. The paper fed from the tray is first checked
for double-feed and is then adjusted of skew and main/sub scan registration before the belt-to-paper
transfer process.
Skew detection & main scan registration
A Ricoh original technology is applied to separately control skew correction and main scan registration,
to achieve high accuracy in front-to-back registration.
*
1. CIS
measures the amount of skew.
2. The registration roller rotates (about the fixed support axis) and then shifts sideways to adjust the
skew and main scan registration.
• 1. Contact Image Sensor (CIS)
CIS calculates the amount of correction
• 2. Registration roller
The registration roller adjusts the skew and main scan registration.
* Contact Image Sensor
Related Advanced Settings
page 41 "Skew detection"
Leading edge detection mechanism in more detail
When the paper passes through the registration roller, the CIS emits light and reads the amount of
light reflected, to detect the leading edge.
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