Automatic Line Position Adjustment - Ricoh G104 Service Manual

6.5.2 AUTOMATIC LINE POSITION ADJUSTMENT

Overview
YY, KK, CC, MM: Spaces between two lines of the same color
KY, KC, KM: Spaces between a black line and a color line
During automatic line position adjustment, the line patterns above are made eight times on
the transfer belt. The spaces between the lines (YY, KK, CC, MM, KY, KC, KM) are
measured by the left, center, and right ID sensors. The controller reads the average of the
spaces, and adjusts the following items:
Sub scan line position for YCM
Main scan line position for KYCM
Magnification ratio for KYCM
Skew for YCM (see the note below)
In this procedure, only the skew for YCM is measured. If you want to adjust it, do
the main skew adjustment procedure. (See 'Replacements and Adjustments –
Laser Optics – LD Unit')
The transfer-belt-cleaning unit cleans the transfer belt after the patterns are measured.
Summary of Each Adjustment
Sub scan line position for YCM
SM
CÓPIA NÃO CONTROLADA
6-15
CÓPIA NÃO CONTROLADA
Laser Exposure
G160/G161