5. Advanced Printer Configuration. Epiphan Video VGA Printer

5. Advanced Printer Configuration. Epiphan Video VGA Printer

5. Advanced Printer ConfigurationAdding a Printer That the VGA Printer Device Cannot Find Au-

5. Advanced Printer Configuration

This chapter describes some advanced printer configuration procedures for the VGA Printer device. In most cases, you would only need the information in this chapter if the VGA Printer device cannot find and configure a printer automatically.

The VGA Printer device uses the Common UNIX Printing System

(CUPS) to communicate with locally connected and network printers. This chapter describes some basic procedures for using the VGA Printer CUPS implementation. For more information about CUPS, see http://www.cups.org

.

This chapter contains the following sections:

Adding a Printer That the VGA Printer Device Cannot Find

Automatically

Deleting a Printer

Selecting the Default Printer

Controlling Print Jobs

Network Protocols Supported By the VGA Printer device

Adding a Printer That the VGA Printer

Device Cannot Find Automatically

The VGA Printer device can usually automatically find any printer that is turned on and either directly connected to the VGA

Printer device or connected to the same network as the VGA

Printer device. However, if the VGA Printer device can’t find a printer that you want to add, you can use the procedures in this section to add and configure the printer manually.

You can also use these procedures if you want to add a printer that is not currently connected to the to the VGA Printer device or the network. For example, if you are moving the VGA Printer device to a new location or network, you can add a printer that is at the new location before you move the device.

User Guide Page 57

5. Advanced Printer ConfigurationAdding a Printer That the VGA Printer Device Cannot Find Au-

This section contains two procedures. You can use the first one,

“Adding a Printer Manually” on page 58

, if the VGA Printer device can’t find a printer that you want to add. You can use the second procedure,

“Adding a Printer Using a PPD File” on page 64 , if the VGA Printer device can’t find a printer that you

want to add and you have a PPD file for that printer or if you would like to attempt to get a PPD file for that printer.

Adding a Printer Manually

Use the following procedure to manually add a printer. Before you start this procedure you should know the following:

• The name and manufacturer of the printer.

• If the printer is connected to a network, the network protocol used by the printer (see

“Network Protocols Supported By the

VGA Printer device” on page 75 ).

To add a printer manually

1

Log into the Web admin interface.

2

Scroll down to the

Configure VGA Printer

section.

3

Select

Printers configuration and jobs control

.

You may have to enter the admin username and password.

The Printers page appears.

Figure 26:Printers page (no printers added)

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5. Advanced Printer ConfigurationAdding a Printer That the VGA Printer Device Cannot Find Au-

4

Select

Add Printer

.

The Add New Printer page appears.

Figure 27:Adding a new printer

5

Enter descriptive information about the printer.

You must enter a name and the name cannot include spaces or the / and # characters. If you add more than one printer, the

VGA Printer device lists the printers in alphabetical order by name. You cannot change the Name after you add the printer.

Entering the location and description is optional, but it can be useful to enter this information to make it easier to identify the printer. You can add or change the location and description information later.

6

Select

Continue

.

The Device page appears.

User Guide Page 59

5. Advanced Printer ConfigurationAdding a Printer That the VGA Printer Device Cannot Find Au-

Figure 28:Select the printer device

7

Select how the VGA Printer device communicates with the printer.

• If the printer is a network printer select the correct network

protocol (See “Network Protocols Supported By the VGA

Printer device” on page 75 ).

• If the printer is, or will be connected directly to a VGA

Printer USB port, select

USB Serial Port #1

.

8

Select

Continue

.

The page that is displayed next depends on whether you are adding a network printer or a printer that is connected to a

USB port.

9

Configure how the VGA Printer device connects to the printer:

• If the printer is a network printer, enter the Device URI for

the printer. (See “Network Protocols Supported By the

VGA Printer device” on page 75

)

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5. Advanced Printer ConfigurationAdding a Printer That the VGA Printer Device Cannot Find Au-

Figure 29:Device URI for a network printer

• If the printer is connected directly to the VGA Printer device select

Continue

. You do not have to change serial port settings.

Figure 30:Serial port settings for a USB-connected printer

User Guide

The Make/Manufacturer page appears.

Page 61

5. Advanced Printer ConfigurationAdding a Printer That the VGA Printer Device Cannot Find Au-

Figure 31:Select the printer Make/Manufacturer

Page 62

10

At this point you can optionally upload a PPD file for the printer. If you have a PPD file, see the procedure

“To use a

PPD file to add a printer” on page 64 .

11

Select the name of the manufacturer of the printer.

12

Select

Continue

.

13

Select the printer model name.

14

Select

Add Printer

.

The printer is added and you can optionally change printer controls such as page size, and print resolution. The printer controls that are available depend on the printer.

Epiphan VGA Printer

5. Advanced Printer ConfigurationAdding a Printer That the VGA Printer Device Cannot Find Au-

15

You can either change printer controls or select

Set Printer

Options

to add the printer and complete this procedure.

If the VGA Printer device can add the printer, a message appears indicating that the printer has been successfully added.

Figure 32:Printer added

16

Select the

Printers

tab to display all added printers. The printers are displayed in alphabetical order by name.

17

Select

VGA Printer Config

to return to the Web admin interface.

18

Scroll down to the

Configure VGA Printer

section and make sure that the VGA Printer device will print to the correct printer. If the VGA Printer device will not print to the correct printer you can set the correct printer to be the default printer.

See

“Selecting the Default Printer” on page 68

.

User Guide Page 63

5. Advanced Printer ConfigurationAdding a Printer That the VGA Printer Device Cannot Find Au-

Figure 33:The printer that the VGA Printer device will print to is displayed in the Configure VGA Printer section of the

Web admin interface

Page 64

Adding a Printer Using a PPD File

A PPD file is a text file that describes a printer. You can add a PPD file to the VGA Printer device to add the configuration settings for a printer.

Usually, you can get a PPD file from the printer manufacturer.

PPD files are also available for many printers from this CUPS web page: http://www.cups.org/ppd.php

. You can also test PPD files, to confirm that they are compatible with CUPS and may work with the VGA Printer device, at http://www.cups.org/testppd.php

.

To use a PPD file to add a printer

1

Follow steps

1

to

9

of the procedure “To add a printer manually” on page 58

.

Epiphan VGA Printer

5. Advanced Printer ConfigurationAdding a Printer That the VGA Printer Device Cannot Find Au-

Figure 34:Uploading a PPD file

2

Select

Browse

, select the PPD file and then select open.

3

Select

Add Printer

to upload the PPD file to the VGA Printer device.

The printer is added to the VGA Printer device and you can optionally change printer controls such as page size, and print resolution. The printer controls that are available depend on the PPD file.

4

You can either change printer controls or select

Set Printer

Options

to add the printer and complete this procedure.

A message appears indicating that the printer has been successfully added.

User Guide Page 65

5. Advanced Printer ConfigurationAdding a Printer That the VGA Printer Device Cannot Find Au-

Figure 35:Printer added

Page 66

5

Select the

Printers

tab to display all added printers. The printers are displayed in alphabetical order by name.

6

Select

VGA Printer Config

to return to the Web admin interface.

7

Scroll down to the

Configure VGA Printer

section and make sure that the VGA Printer device will print to the correct printer. If the VGA Printer device will not print to the correct printer you can set the correct printer to be the default printer.

See “Selecting the Default Printer” on page 68 .

Epiphan VGA Printer

5. Advanced Printer Configuration Deleting a Printer

Figure 36:The printer that the VGA Printer device will print to is displayed in the Configure VGA Printer section of the

Web admin interface

Deleting a Printer

You can delete any printer added to the VGA Printer device.

Deleting a printer removes the printer’s configuration settings.

If you delete the default printer or the printer that the VGA

Printer device was printing to, you may have to select another

printer to be the default printer. See “Selecting the Default

Printer” on page 68

.

To delete a printer

1

Log into the Web admin interface.

2

Scroll down to the

Configure VGA Printer

section.

3

Select

Printers configuration and jobs control

.

You may have to enter the admin username and password.

The Printers page appears.

4

Scroll down the list of printers to find the printer to delete.

5

Select

Delete Printer

, for the printer to delete.

6

Confirm that you want to delete the printer.

A message appears indicating that the printer has been successfully deleted.

User Guide Page 67

5. Advanced Printer Configuration Selecting the Default Printer

7

Select

VGA Printer Config

to display the Web admin interface.

8

Check the

Configure VGA Printer

section. If the message

Error: printer is not configured!

appears, you must add a new printer or set one of the already added printers to be the default printer.

• To add a new printer, see “Adding Printers” on page 27 or

“Adding a Printer That the VGA Printer Device Cannot

Find Automatically” on page 57 .

• To set a printer to be the default printer, see

“Selecting the

Default Printer” .

Selecting the Default Printer

If you have added more than one printer, you may need to change the printer that the VGA Printer device prints to. You change the printer by making the printer that you want the VGA

Printer device to print to the default printer.

Also, if you delete the printer that the VGA Printer device was printing to, you may need to select a default printer.

Note:

You don’t always have to select a default printer. Setting the default printer is available if you want to change the printer that the VGA Printer device prints to, or if

Configure VGA

Printer

displays the message

Error: printer is not configured!

.

Only one printer can be the default printer. If the default printer is turned off or disconnected, print jobs are stored in that printer’s print queue. You can either move those print jobs to another printer, or the stored print jobs will be printed when the printer is connected or turned on again. You may have to start the print jobs manually, see

“Controlling Print Jobs” on page 70

).

To change the default printer

1

Log into the Web admin interface.

2

Scroll down to the

Configure VGA Printer

section.

Page 68 Epiphan VGA Printer

5. Advanced Printer Configuration Selecting the Default Printer

3

Select

Printers configuration and jobs control

.

The Printers page appears.

Figure 37:Printers page

4

Find the printer to set as the default printer and select the

Set

As Default

button.

The VGA Printer device sets the printer as the default printer and displays the status of the printer.

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5. Advanced Printer Configuration

Figure 38:The default printer

Controlling Print Jobs

Controlling Print Jobs

When you select to print a captured image, the VGA Printer device creates a print job. The print job is added to the current or default printer’s job queue and then sent to the printer.

If you send captured images faster than the printer can print them, multiple print jobs are added to the printer’s job queue. The

VGA Printer device then sends the print jobs to the printer one at a time in the order in which you selected to print them.

All print jobs in the print queue have a unique ID which consists of the printer name followed by a consecutive number. For a given printer, the VGA Printer device prints jobs in ID order. If a print job with a lower ID is stopped, print jobs with higher IDs will not print. You must restart, cancel, or move a stopped print job to print the jobs below it in the print queue.

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5. Advanced Printer Configuration

Figure 39:Example print queue

Controlling Print Jobs

You do not normally have to work with VGA Printer print jobs or print job queues, but working with print jobs can be useful for checking the status of print jobs and for solving some printing problems. Also, if a printer is turned off or disconnected and you send print jobs to it, the print jobs are stored in that printer’s print queue. You can either move those print jobs to another printer or when the printer is connected or turned on again, the VGA

Printer device sends the stored print jobs to the printer. After the printer is restarted, you may have to go to the print queue and restart print jobs for them to print.

To view an individual printer’s print jobs

1

Log into the Web admin interface.

2

Scroll down to the

Configure VGA Printer

section.

3

Select

Printers configuration and jobs control

.

The Printers page appears.

4

To see the print job queue, select the printer icon for the printer.

The print jobs for the selected printer are displayed.

A number of options are available from the print jobs queue including:

Reject Jobs

to prevent the VGA Printer device from queueing jobs for this printer.

Move All Jobs

to move all print jobs to another printer’s print queue.

Cancel All Jobs

to cancel all jobs in this printer’s queue.

User Guide Page 71

5. Advanced Printer Configuration Controlling Print Jobs

Figure 40:Example print job queue for a printer showing two print jobs

Page 72 Epiphan VGA Printer

5. Advanced Printer Configuration Controlling Print Jobs

You can use the Search function to only display some jobs.

You can display all jobs completed by this printer since the

VGA Printer device was powered on.

For each print job you can:

Reprint job

to start a print job that has been stopped.

Hold job

to temporarily stop the VGA Printer device from printing this job. The VGA Printer device will print the next job in the queue.

Release job

to release a held job for printing.

Cancel job

to cancel a print job and remove it from the queue.

Move job

to move a print job to another printer.

To view all print jobs

1

Log into the Web admin interface.

2

Scroll down to the

Configure VGA Printer

section.

3

Select

Printers configuration and jobs control

.

The Printers page appears.

4

Select the

Jobs

tab to view all print jobs for all printers.

Similar to viewing the print jobs for an individual printer you can reject, move, cancel, reprint, and hold jobs.

To restart stopped print jobs

Use the following procedure to restart print jobs that have been stopped. The print jobs could have been stopped because they were added to the queue of a printer that was not connected or turned on, moved to a printer’s print queue from another print queue, or for other reasons. In most cases, the following steps will restart a stopped print job.

1

Log into the Web admin interface.

2

Scroll down to the

Configure VGA Printer

section.

3

Select

Printers configuration and jobs control

.

The Printers page appears.

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5. Advanced Printer Configuration Controlling Print Jobs

4

To restart print jobs, select the printer icon for the printer.

The print jobs for the selected printer are displayed.

5

To print all of the

stopped

print jobs, select

Reprint job

for each stopped print job.

To move jobs from one printer to another

You can easily move jobs from one printer’s queue to another printer’s queue even if the printers are completely different. After you move a print job, you can start it printing on the printer that you moved it to.

1

Log into the Web admin interface.

2

Scroll down to the Configure VGA Printer section.

3

Select

Printers configuration and jobs control

.

The Printers page appears.

4

To display the print jobs to move, select the

Jobs

tab to display all print jobs or select a printer to view the jobs for that printer.

5

Select

Move Job

.

6

Select the name of the printer to move the job to.

The print job is added to the selected printer’s print queue.

Usually the job state is set to stopped.

7

Select the printer that you moved the print job to.

8

For the job that you moved, select

Reprint Job

to print the moved job.

Page 74 Epiphan VGA Printer

5. Advanced Printer Configuration Network Protocols Supported By the VGA Printer device

Network Protocols Supported By the

VGA Printer device

The VGA Printer device supports most network printers that use the following protocols:

• AppSocket/HP JetDirect

• Internet printing protocol (ipp or http)

• line printer daemon (LPD or LPR)

Printer discovery is currently accomplished using the SNMP protocol; however, future versions of CUPS will also include support for multicast DNS service discovery as well.

See the CUPS document Using Network Printers for more information about network printing including a table of common device URIs.

Note:

The VGA Printer device does not support printing to

Windows network shared printers.

AppSocket/HP JetDirect

The AppSocket protocol (sometimes also called the JetDirect protocol, because of its origins with the HP JetDirect network interfaces) is the simplest, fastest, and generally the most reliable network protocol used for printers. AppSocket printing normally happens over port 9100 and uses socket URIs: socket://ip-address-or-hostname socket://ip-address-or-hostname?waiteof=false socket://ip-address-or-hostname:port-number socket://ip-address-or-hostname:port-number?waiteof=false

Examples: socket://192.168.20.34

socket://MyPrinter?waiteof=false socket://192.168.34.56:9100 socket://10.10.10.23:9100?waiteof=false

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5. Advanced Printer Configuration Network Protocols Supported By the VGA Printer device

The “waiteof” option controls whether the socket backend waits for the printer to complete the printing of the job. The default is to wait.

Internet Printing Protocol (ipp or http)

IPP is supported by some network printers and print servers. IPP support may be inconsistent so you should only use IPP when the vendor actually documents official support for it. IPP printing normally happens over port 631 and uses the http or ipp URIs: http://ip-address-or-hostname:port-number/resource http://ip-address-or-hostname:portnumber/resource?option=value http://ip-address-or-hostname:portnumber/resource?option=value&option=value ipp://ip-address-or-hostname/resource ipp://ip-address-or-hostname/resource?option=value ipp://ip-address-orhostname/resource?option=value&option=value ipp://ip-address-or-hostname:port-number/resource ipp://ip-address-or-hostname:portnumber/resource?option=value ipp://ip-address-or-hostname:portnumber/resource?option=value&option=value

Examples: http://192.168.20.1:631/ipp/ http://MyPrinter/ipp/port1 http://10.10.10.23:631/ipp?compression=gzip ipp://192.168.22.34/ipp ipp://OurPrinter/ipp/port3

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5. Advanced Printer Configuration Network Protocols Supported By the VGA Printer device

Line Printer Daemon (LPD or LPR) Protocol

LPD is supported by many network printers. LPD printing normally uses port 515 and lpd URIs: lpd://ip-address-or-hostname/queue lpd://ip-address-or-hostname/queue?option=value lpd://ip-address-or-hostname

/queue?option=value&option=value

Examples: lpd://192.168.45.123/queue lpd://MyPrinter/queue?banner=on

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5. Advanced Printer Configuration Network Protocols Supported By the VGA Printer device

Page 78 Epiphan VGA Printer

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