You can check printer status from your computer. If you use the PCL printer driver and bidirectional communication is enabled under Windows , the [Accessories] tab is unavailable. The printer must be connected to a computer using the standard parallel cables and parallel connectors. Under Windows , [Enable bidirectional support] must be selected, and [Enable printer pooling] must not be selected on the [Ports] tab with the PCL printer driver. Right-click the icon for your printer to open the contextual menu, and select Properties.
The printer properties window opens. Select the Ports tab, uncheck the Enable bidirectional support option, and then click the OK button. Right-click your printer name, then select Printer properties. Select the Ports tab. Select the Enable bidirectional support check box. Click OK. Printer Pooling allows one printer queue to be connected to 2 or more physical printers. There are 3 physical printers of the same make and model on the network.
You can enable printer pooling so the one printer queue is connected to all 3 of the physical printers. Bidirectional communication allows information about paper size and feed direction settings to be automatically sent to the printer.
You can check printer status from your computer. What is a bidirectional relationship? Bidirectional Relationships. In a bidirectional relationship, each entity has a relationship field or property that refers to the other entity.
Through the relationship field or property, an entity class's code can access its related object. Sometimes, a particular version of Windows does not work perfectly with a driver, resulting in slow performance and erratic print behavior. Also, status messages from the printer driver may cause unintended problems, including popup alerts that interrupt your work. The status information, while handy, is optional. In many instances, Microsoft and printer manufacturers recommend to disable bi-directional printing if it causes problems.
By turning bi-directional printing off, the printer receives documents from the PC, but the driver no longer acts on messages from the printer. Open the "Printers" folder, right-click the icon representing the bi-directional printer, and then select "Properties" from the popup menu that appears.
When used in the context of communications, "bi-directional" refers to the printer's ability to share information in real time with the connected computer or network. A uni-directional connection limits the printer to accept commands from the computer or to self-check and send information to the computer, but not both at any given time. Bi-directional communications enable monitoring of printer status and print job scheduling -- even to the extent of distributing print jobs from multiple networked computers to multiple networked printers.
Using bi-directional communication, a networked printer can share its status with any device on the network, even to the extent of making the printer and print job status available online. Most printers allow you to turn off the bi-directional option from the computer or server on which the printer's device driver is installed.
Doing so gives the printer some extra buffer resources that are usually withheld for status checking, error reporting and other communications purposes.
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