About the control unit area

The touch panel, mouse, keyboard, power control panel, and operator alert assembly are in the control unit area.

Figure 2. Control unit area
Control unit area
  1. Operator alert assembly
  2. Touch panel and operator console
  3. Power control panel
  4. Control unit
  5. Printer engine frame
  6. Printer operator panel

About the operator alert assembly

The operator alert assembly is located at the base of the operator alert light at the top of the control unit. The Volume Control knob adjusts the volume of the operator alert assembly. The volume can be turned completely off.

The operator alert assembly consists of a built-in operator alert light and buzzer and a volume control knob.

About the operator alert lights

Operator alert lights

The operator alert light has the following meanings:

Table 1. Meanings of operator alert light
Machine State Light Audible Warning

Online, ready to print

The system will print when data is received from the host.

Green None

Stop was pressed

In diagnostic mode

Offline printing

The system was made not ready by the operator or CE. The system cannot print data from the host. All safety interlocks are normal.

Amber None
OK to add toner. System is still printing

You can add toner without stopping the printer.

Flashing Yellow None
Error condition

The printer has stopped, and cannot continue without intervention.

Flashing Amber

Touch the touch panel to make the light stop flashing.

Short duration and periodic.

Touch the touch panel or press any key to stop the alarm.

About the touch panel

The touch panel provides a touch-sensitive interface to the printer.

About the mouse

You can use the mouse to navigate around the touch panel instead of touching the screen with your finger. Use the left-click button to activate a push button or make a selection on the screen.

About the keyboard and USB flash memory device

The keyboard sits on a sliding shelf below the touch panel. You can use the keyboard to enter data.

The USB port at the back of the keyboard allows a USB flash memory device (or key) to be inserted. You can use this to restore Snapshots and configuration settings. See the Planning and Configuration Guide for more information.

Figure 3. USB flash memory device
USB flash memory device
Note:
The supported USB flash memory device is Feature Code 4660 (USB Flash Memory Device).

About the power control panel

On Printer 1, the power control panel provides power control for the Printer 1 control unit and the printer engine. On Printer 2, the Power Control Panel provides direct power control for the Printer 2 control unit and the printer engine and remote power control for Printer 1.

Figure 4. Power control panel
power control panel
Selecting This Control: Does This:
Control Unit Local/Remote Switch

Establishes where control unit power is controlled.

On Printer 1 - When this switch is in the Local position, the Printer 1 control unit is powered on and off by the Control Unit Power On and the Control Unit Power Off if in Local switches. In the Remote position, the Printer 1 control unit is powered on and off by Printer 2 control unit power controls.

On dual simplex printers and Printer 2 of a duplex configuration - When this switch is in the Local position, the Printer 2 control unit is powered on and off by the Control Unit Power On and the Control Unit Power Off if in Local switches. In the Remote position, the Printer 2 control unit is powered on and off by the controlling computer system.

Printer Local/Remote Switch Establishes where printer power is controlled. When this switch is in the Local position, the printer engine is powered on and off by the Printer Power On and the Printer Power Off if in Local switches. In the Remote position, the printer engine is powered on and off by the Control Unit Power On and Control Unit Power Off If In Local switches on this panel.
Control Unit Power On Switch Powers on the Printer 2 control unit frame or the Printer 1 control unit frame when the Control Unit Local/Remote switch is set to Local.
Printer Power On Switch Powers on the printer when the Printer Local/Remote switch is set to Local.
Control Unit Power Off If In Local Switch Powers off the Printer 1 control unit when the Control Unit Local/Remote switch is set to Local.
Printer Power Off If In Local Switch Powers off the printer when the Printer Local/Remote switch is set to Local.
Emergency Power Off Switch

On Printer 1 - When set to Power Enable, the Printer 1 control unit and printer engine can be powered on by Local or Remote control. Power Off does an emergency shutdown.

On dual simplex printers and Printer 2 of a duplex configuration - When set to Power Enable, the Printer 2 control unit and printer engine can be powered on by Local or Remote control. Power Off does an emergency shutdown. All power is removed from the system.

Attention: Using the Unit Emergency switch can cause loss of data and hardware problems. Therefore, you should use it only in an emergency.