Oki B 6100, Technical Manual

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OKI B6100 Laser Printer - Base Engine Technical Manual 14-27
Version 1.0
Wiring Diagrams and Interconnections
DB9 PWBA HKB26 MCU <=> ROS Assy
The following table shows the signal names for the Fuser PWBA HKB26 MCU <=> ROS Assy path:
The following table shows pin numbers, and voltage levels for the PWBA HKB26 MCU <=> ROS
Assy path:
Signal Name Description
P.DATA Print Image Data
/nP.DATA Print Image Data
/LD Control signal which determines the drive voltage for the Laser Diode.
/LDEN Control signal which determines the drive voltage for the Laser Diode.
Vmf(D/A) Control signal for the Laser Diode
/SOS(IN) Synchronization signal generated by the PWBA SOS which indicates the start of each scan.
5VLD +5V power source to the Laser Diode (0V when the Cover Assy Front is open or the CRU is not
in place.)
/RMOT(OUT) Scanner Motor Control signal which switches the ROS Motor on and off
Low: ON, High: OFF
/RCLK Synchronization signal for the ROS Motor
Pin Pin Signal Name
Signal Direction
L: LDD, S: SOS, R: ROS,
M: MCU
Trigger
HIGH
Level
LOW
Level
Note
P22-1 P223-2 P.DATA M => L Level 3.3V 0V
P22-2 P223-1 /mP.DATA M => L Level 3.3V 0V
P21-1 P213-6 /LD M => L Level - - Analog
P21-2 P213-5 /LDEN M => L Level - - Analog
P21-4 P213-3 Vmf(D/A) M => L Level - - Analog
P21-6 P213-1 5VLD M => L Level 5V 0V
P21-8 P211-2 /SOS(IN) M <= S Level TTL TTL
P21-12 P212-3 /RMOT(OUT) M => R Level 3.3V 0V
P21-13 P212-1 /RCLN(OUT) M => R - - - Pulse