CPU initialization
MBM ID check
Optional interface communication
preparation
Optional interface communication start
Power ON
Failure check
Door open
check
Feed motor initial
drive
Standby
Residual paper
check
Figure 4-36 Power-on sequence
MBM driver
The MBM driver controls the operational sequence of the MBM. When the MFP is turned on and DC
power is supplied to the MBM driver, the MBM driver communicates with the formatter to start an
operational control. Then the MBM enters standby mode and the MBM driver outputs the signals to
drive motors and solenoids in response to the command input from the MFP.
164 Chapter 4 Theory of operation ENWW
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