User Guide

Dc controller PCA
The dc controller PCA controls the operation of the printer and its components. The dc controller
PCA starts printer operation when the printer power is turned on and the power supply sends dc
voltage to the dc controller PCA. After the printer enters the standby sequence (see
Table 5-1 Basic
printer operating sequence), the dc controller PCA sends out various signals to operate motors,
solenoids, and other printer components based on the print command and image data that the host
computer sends. For a list of dc controller PCA connectors, see
Dc controller connectors diagram.
Figure 5-1 Dc controller, control chart
108 5 Theory of operation