Ricoh DD 4450 - Page 27

Overview
SM 1-9 C279
Product
Information
Solenoids
No. Component Function
27
Front Pressure Release
Solenoid
Releases the press roller to apply printing
pressure.
56
Rear Pressure Release
Solenoid
Releases the press roller to apply printing
pressure.
Switches
No. Component Function
16
Master Making Unit Set
Switch
Checks if the master making unit is installed.
22 Table Lowering Switch Lowers the paper table.
32 Door Safety Switch Checks whether the front door is properly closed.
35 Main Switch Turns the power on or off.
38 Plotter Safety Switch
Checks if the master making unit is installed.
Note: The master making unit is sometimes
called the ‘plotter unit’.
52 Eject Box Set Switch Checks if the master eject box is installed.
68 Auto Off Switch Turns the power off automatically.
69 Master Eject Safety Switch Checks if the master eject unit is installed.
78 Lower master tray set switch Checks if the lower master tray is installed.
Counters
No. Component Function
33 Paper Counter Keeps track of the total number of copies.
34 Master Counter Keeps track of the total number of masters made.