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Printing from the PC Tray (Tray 2)
PC tray selection is provided by the Formatter PCA, as
configured by the control panel or by software. When the DC
Controller PCA receives a
PRNT signal, it starts the Scanner
Motor (M5) and the Main Motor (M1). When the fusing roller
reaches the minimum operating temperature (approximately 183°
C), the PC tray (Tray 2) pickup roller clutch solenoid (SL1) is
energized for 1 second, allowing the roller to make one rotation.
The PC tray pickup roller then feeds a sheet of paper from the PC
tray into the PC tray input feed rollers. The PC tray input feed
rollers turn until paper reaches the Input/Registration Sensor
(PS1). When the media is sensed at (PS1), the pickup motor (M2)
stops and the paper is carried through the remainder of the print
path by the Main Motor (M1).
The Formatter PCA sends the
VDO signal to the print engine
after the paper reaches the Input Paper Sensor (PS1). This aligns
the leading edge of the toner image on the photosensitive drum
with the leading edge of the paper. After the paper passes the
drum and the fusing rollers, it triggers the Paper Exit Sensor
(PS3). The paper is then fed into the output tray.
If the paper does not reach or clear each sensor within a specified
time, the microprocessor on the DC Controller PCA assumes a
paper jam occurred and informs the Formatter PCA.
Figure 5-19 PC Tray (Tray 2) and LC Tray (Tray 3) to Output
Tray Paper Path
5-30 Functional Overview