The Citirx Printer Stress Test will stress each printer driver and attempt to make the driver crash, giving you a pretty good idea of which drivers are ill written. AppX packages — also known as Windows Universal Applications — are applications built using Microsoft’s “modern” platform. The Ctx_SmaUser (Presentation Server 4. Auto-create default client printer only. Log on to Citrix Workspace app. HP tests its print drivers with the StressPrinters tool provided by Citrix to simulate a user logon where multiple printers are auto-created concurrently. This sounds like a Citrix and printer specific issue. On 6. Then your Citrix printing policy should be set to “Use universal printing only” or “Use universal printing only if requested driver is unavailable” depending on your preference. We set up a separate Print server just for Citrix printing and created a default. • Time required to successfully create a printer using a particular driver. When I open devices and printers or even just hit file/print in Excel or Word spoolsv. One of the common questions that comes up is whether to […]Citrix Workspace Overview. The Citrix Licenses view does not include a Stress Level column. After installing the printer driver, restart the machine. —–User calls—— Peer A clicks the call button. Verify that the printers display in the Console: Right-click on the target device, select the Properties menu option. When connect to ica session, client printer redirection slow. Stress Testing HP performs stress testing of its print drivers in both Citrix and non-Citrix environments. The Citrix UPD is installed as part of the Citrix Virtual Apps and Desktops VDA installation. The following settings can be applied to an auto-created printer of the user: From the system tray, go to Properties in the Printing Preferences option of the local printer on the General tab. Customers who viewed this article also viewed. Verder men ook een vergelijk maken tussen de verschillende drivers mbt : CPU load – Tijdens het creeren van een printer met een specifieke driver. This is very helpful to the admin, and more importantly, vendors can now reproduce the driver. Contact Support PRODUCT ISSUESRefer to HP Print and Scan Devices Supported in Citrix Virtual Apps and Virtual Desktops Environments to view the latest version of the HP printers supported in Citrix Virtual Apps and Virtual Desktops Environments Also, visit the Citrix Ready site to view a list of “Citrix Ready” printers approved and tested for use with Citrix product technology. This field is only. PostScript ( PS ). One of the things that we’ve found on the print server running Citrix UPS are crashed. Citrix. You can either create a policy or edit an existing policy. 6. This setting takes effect only if the Client printer redirection setting is present and set to Allowed. Depending on how you configure the Citrix print policies, your users may or may not be allowed to use the UPD, or to use native drivers. The only way to remove these printers is to remove them manually or in registry and relogon. Stress Printers C. from Citrix or printing directly from within the session, Print-erLogic makes it easy to deploy printers in a Citrix environ-ment using several different methods. Manually mapping printers on VDA or if native driver has been reinstalled with admin privilege on VDA post which an end user tries to print from ICA session returns prompt to install printer driver and fails although native drivers are available on VDA. Citrix XenDesktop Cookbook Third Edition Over 40 engaging recipes that will help you implement a full-featured XenDesktop 7. Stress Testing HP performs stress testing of its print drivers in both Citrix and non-Citrix environments. Enter the name of the user. Configure a Startup Script for the machine that sets the Registry values that will enable automatic logon. This setting takes effect only if the Client printer redirection setting is present and set to Allowed. HP tests its print drivers with the StressPrinters tool provided by Citrix to simulate a user logon where multiple printers are auto-created. The issue occurs when you upgrade a VDA from Version 7. HP performs stress testing of its print drivers in both Citrix and non-Citrix environments. As needed, edit an existing mapping, remove a mapping, or change the order of driver entries in the list. Posted by Doug7515 on Jan 9th, 2013 at 7:37 AM. This tool can be used to simulate multiple sessions autocreating printers using the same print driver. from Citrix or printing directly from within the session, Print-erLogic makes it easy to deploy printers in a Citrix environ-ment using several different methods. For example, if the objective reads, “Assess the printing infrastructure” and one of the examples reads, “Perform printer driver stress testing” candidates could expect to see: • A scenario describing a printing infrastructure: • Scenario: A Citrix Architect is assessing the current printing infrastructure at CGE. Description. When launching Windows Explorer and then browsing to the print server and connecting to multiple printers they are added to my profile. Last but not least, ”Customers. -the printers are configured via Citrix Group Policy by branch number, targeting the branch OU for the most part, though there are a few directly targeting specific users. Take advantage of tools that test your Citrix Virtual Apps printing environment. For more information, see Citrix Workspace Overview. When adding this setting to a policy, select an option:The Citrix Universal Printer Driver (UPD) is a device-independent print driver, which is compatible with most printers. This is not working on Citrix. This exercise creates a stress environment for the printer drivers. Legacy printer names: enabled. Citrix Printer Policies: Auto-create generic universal printer. msc, and confirming the Citrix Print Manager Service is. To edit the printing settings for mapped client printer drivers, select the printer driver, click Settings, and specify settings such as print quality, orientation, and color. Use Citrix Print Detective to list all drivers and then start your examination with the drivers listed in the Non-Native/Non-Citrix Drivers Only view. To use the Universal Print Server with a Windows. Best practices to avoid Citrix printing issues. After adding the printer, you can apply customized settings for the current session at every logon. The advantages of having an always up to date control plane offers too many advantages for most companies to pass up. Later Citrix developed a GUI for AddPrinter and called it StressPrinters which is a much better name for the utility. In the Citrix CMC you have the option to map printers to a specific print driver, that way, for example andy HP laserjet that is autocreated will use the HP LJ 4 driver. Default printer: client's main printer. I am in a change freeze for a bit due to other product upgrades but I will look at getting rid of UPS. On the Network Printer List tab, click Add or right-click the blank area and then select Add in the context menu. When using a Windows Print Server, the Citrix Print Manager service creates the network printer connections using native printer drivers. achieved with the Citrix Interoperability Test Kit for the Citrix Ready program. This printer is enabled via Citrix. Troubleshooting Print forward Printing Issues with Auto-creation Defect and Citrix Print Manager Crashing. IT pros should learn about these five common Citrix printing issues and how to address them. 6 – Upgrading, Installation, and Configuration; Introduction; Upgrading from XenDesktop 5. exe . - Use a mix of session printers and auto-created based on Citrix policies. exe process is responsible for parsing through Citrix-related policies. Notes on issue: Deleted all Citrix session printer policies and rebooted VDA's. We used Citrix Stress test tool for printers, and isolated some drivers that were causing some errors, such as interactive service detection errors, and removed the offending. The HP test team installs the print driver on the Citrix server, logs into a Citrix session, and verifies that printing is successful to client printers and network printers. The following illustration shows the print deployment for these use cases: Branch A - A small overseas branch office with a few Windows workstations. Works like a charm. It is used for printing basic text and graphics and is widely supported on HP LaserJet and multifunction peripherals. Branch B - A large branch office with thin clients and Windows-based workstations. x is a non-persistent highly available model. As I cannot find any PS type driver for my HP printer. I use the Xerox Global Universal Printer Driver for all my session printers, and it works great with XA6. For HP printers, the laser jet 4 driver is good as an example. Session printers not showing up in Windows 10 Devices and Printers. Feb 24th, 2016 at 9:47 AM. I use the Xerox Global Universal Printer Driver for all my session printers, and it works great with XA6. For three of my testprofiles it worked like a charm, the old ones got delted and the new ones were added. Problem Cause When using Profile Management, changes made to Citrix Universal Print Server printers (adding, removing, and renaming) in a session on one server might not be correctly reflected in subsequent sessions on another server. The digital transformation tornado is happening and will bring the future nearly tomorrow. 1. When users access printers from published applications, you can configure Citrix policies to specify: How printers are provisioned (or added to sessions) How print jobs are routed. If you use an existing printer management. HP tests its print drivers with the StressPrinters tool provided by Citrix to simulate a user logon where multiple printers are. Stress testing by HP HP performs stress testing of its print drivers in both Citrix and non-Citrix environments. Uncheck the highlighted boxes. It works well with color and black-and-white HP printers, Ricoh Aficio multifunctions, and probably any other printer that. Resolution 3. In the Console, expand the Provisioning Server node in the tree panel, then select the vDisk that you want printers enabled or disabled on. I stopped the print spooler and when I work in the same areas the CPU is fine and never spikes. I know from using Citrix "Stress Printers" tool, that some drivers load fast and others take forever. Contributed by: S C. In the control panel, the printer shows that the printer is installing, and it takes about 10 minutes. 6. Test them with stress printers and trying as hard as possible to use V4 print drivers. In the New Network Printer window, type the required information and then click OK. The Citrix PDF Universal Printer driver enables users to print documents opened with hosted applications or applications that run on virtual desktops delivered by XenApp and XenDesktop Version 7. Citrix printing assigns each printer a unique. Use only printer model specific drivers. Direct Connections to Print Servers. Citrix printing solutions are secure by design. In this case:. When using this generic printer, the resulting print job will be sent to and displayed on the local endpoint where the user has the option to print to any client printer available. Complete the following steps t o fix the issue: Examine the user's printers inside the affected ICA session. It handles service requests by impersonating the actual session user. The display name of the printer, as it appears in the printer list. This setting specifies the client printers that are auto-created. This setting allows or prevents a delay in connecting to a session so that server desktop printers can be auto-created. How printer drivers are managed. I have a XenApp5 farm and until a couple of days ago client printer mappings were just fine. Stress Testing HP performs stress testing of its print drivers in both Citrix and non-Citrix environments. Function of PUFC. Citrix printing solutions are secure by design. Any new printer mapped in to the session should be created with the Citrix universal print drivers. July 5, 2022 Contributed by: C This tab controls the mapping of printers. For more information, refer to the Knowledge Center article CTX109374 – StressPrinters 1. StressPrinters The StressPrinters utility is used to troubleshoot printer problems in a terminal service or remote desktop service environment and is basically meant for Citrix. 3 Versions of Terminal Server and Citrix supported by HP. For example, if the objective reads, “Assess the printing infrastructure” and one of the examples reads, “Perform printer driver stress testing” candidates could expect to see: A scenario describing a printing infrastructure: • Scenario: A Citrix Architect is assessing the current printing infrastructure at CGE. We use only autcreated client printers with citrix universal printer driver. You can get the tool from citrix site itselfenvironments, explains the printer tests performed by Citrix, identifies which HP printers and printer driver versions were used, and describes any issues that occurred while performing these tests. During a virtual desktop or application session, the printers configured locally are enumerated through autocreation. A few locally installed virtual printers installed (one for the proprietary app on the servers, one for PDF creation, etc) All other printers are auto-created client printers. A test XenApp server must be used during stress testing to ensure the new print driver is not introduced into the production farm prior to successful testing. Xenapp 5 Client Printer Mapping. A stable set of printer drivers are needed for a good stable printing environment, without a good base any system is likely to have challenges and fail. Default printer: client's main printer. The feature testing performed by HP is very similar to that achieved with the Citrix Interoperability Test Kit for the Citrix Ready program. The Universal Print Server uses the Universal print driver, a single driver on the Multi-session OS machine that allows local or network printing from any device, including thin clients and tablets. @basraj: thanks for the comment; the test did not throw any errors; I did restarted the server a few times but the problem is not resolved. The user opens the software -> checks the printer he wants and this printer will be installed on the XenDesktop Terminalserver. 1 Printing to Locally Connected Printers Let’s look at the first, simple constellation: a terminal or Citrix server with clientCitrix Universal Print Driver (UPD) – a set of generic printer drivers that can be used any printer device as an alternative to the standard printer vendor/model-specific drivers. A few locally installed virtual printers installed (one for the proprietary app on the servers, one for PDF creation, etc) All other printers are auto-created client printers. This printer is enabled via. exe) or the Citrix Print Manager service (cpsvc. This setting enables or disables direct connections from the virtual desktop or server-hosting applications to a print server for client printers. 2. Every user workstation has a locally attached, private printer. Example print deployment. The policy allows you to prevent autocreation of specific printers based on wildcards. Citrix printing assigns each printer a unique. Authentication methods StoreFront servers. If youve excluded certain drivers from your farm after using the Citrix stress printers tool, you can use Citrix print policies to prohibit specific rogue drivers that you know to be a problem on your farm. Citrix Workspace app’s wfica32. After adding the printer, you can apply customized settings for the current session at every logon. When adding this setting to a policy, select an option:Later Citrix developed a GUI for AddPrinter and called it StressPrinters which is a much better name for the utility. Mark this reply as best answer, if it answered your question. Citrix® has collaborated with HP to test select HP printers and their associated HP print drivers in a Citrix XenApp™ 5 Server for Microsoft® Windows® Server 2008 and. Now with the StressPrinters utility Administrators can easily "Stress Printer Drivers" in a simulated terminal server environment. XenApp or server related crashes or problems printing from XenApp sessions. Avoid updating a driver when troubleshooting. Depending on how you configure the Citrix print policies, your users may or may not be allowed to use the UPD, or to use native drivers. title}} CTX109374 {{tooltipText}}Xenapp Version 7. x. 6 Feature Pack 1 as an. The Citrix Printing Tool. Example print deployment. The citrix universal print drivers fixed our slowness issues. 64. Legacy printer names: enabled. Now with the StressPrinters utility Administrators can easily "Stress Printer Drivers" in a simulated terminal server environment. The issue could be related to the Print Spooler running into issues with drivers which in turn will cause issues with Citrix Printing. You can escape dealing with all your Citrix printing issues by simply implementing a PDF-based Universal Printer Driver (UPD) from a third-party provider such as UniPrint Infinity. This setting specifies the client printers that are auto-created. Scenario In this example I’m going to log in to a Citrix environment with 10 users, open a PDF document and print the document to a printer using the driver I’m going to test. If this vDisk is shared, change the vDisk image mode back to Shared Image mode. We do have a policy and that prevents the auto-creation of local printers (Please see below): But as I mentioned the Citrix1 server. 155. iso image. Try Match like for like the Print Server operating system to the Citrix Session servers. For a 64-bit operating system: UpsServer_x64. Description. Citrix. I've changed nothing in regards to drivers, polices at all either on individual server (s) or farm. HP tests its print drivers with the StressPrinters tool provided by Citrix to simulate a user logon where multiple printers are auto-created concurrently. a. When adding this setting to a policy, select an option. Citrix printing assigns each printer a unique. - All session printers run from a single print server (Win 2003 with all PCL 5e drivers). Direct connections to print servers. Which two Citrix printing tools can assist a XenApp administrator when working with printer drivers? 05/31/2017 – by Mod_GuideK 0. ASKER. Universal Print Server: A Windows Print Server where the Citrix Universal Print Server software has been installed. Run one of the following commands on each print server: For a 32-bit operating system: UpsServer_x86. In regards to the spooler / Citrix print management service crashing this is caused by third party print drivers. Double click the “Peripherals Easy Test" shortcut on the desktop to open the program. New farm, new installation of 2010. 0. 6/7. Xenapp 5 Client Printer Mapping. PostScript is a computer language that can be used for printing text and vector graphics. Checking Tool PVS Datatools Quick Launch RDSWatcher. A client has our Powerbuilder application (built in version 10. If you see a Locate ‘Citrix Virtual Apps and Desktops 7’ installation media window, don’t click anything. It handles service requests by impersonating the actual session user. To add printers, type the UNC path of the printer you want to auto-create. Customizable offerings and engagement models as per customer requirements, timelines and budgets. The standard behavior with XenApp is to autocreate all client-defined printers and set the default printer within the session to the autocreated one representing the default printer on the client machine. HP tests its print drivers with the StressPrinters tool provided by Citrix to simulate a user logon where multiple printers are. exe. Citrix printing solutions are secure by design. PCL is a printing protocol developed originally by Hewlett-Packard for inkjet printers. HP printers supported in Citrix XenApp Server environments. This also means NiceLabel can use these drivers. 15. 6 offer? A: It offers the following enhancements: Stability at a sustained load of about 50 print jobs per minute; Excellent recovery from periods of stress/overload Interoperability Test Kit for the Citrix Ready program. A shared printer that resides on a Citrix server has been assigned as a session printer inside the session policy. The Citrix Universal Print Server provides universal printing support for network printers. 3. But when you add in hundreds or even thousands of users and printers into the mix and spread them out over numerous locations and servers, you invariably end up with chronic printing and deployment issues. The Universal Print Server uses the Universal print driver, a single driver on the Multi-session OS machine that allows local or network printing from any device, including thin clients and tablets. Set the Auto-create PDF Universal Printer policy to Enabled. Refer to CTX881017 – Troubleshooting Imported Network Print Servers with XenApp. There are many generic potential causes for slow printing. HP also employs other printing stress suites to ensure its drivers are compatible and. reg add “HKLMSOFTWAREMicrosoftWindows NTCurrentVersionWinlogon” /v DefaultUserName /d “autologon” /t REG_SZ /f. This setting overrides default client printer auto-creation settings. For the simple reason – It’s one of the most important tasks of an IT admin – to have a decent and reliable test solution. 6 architecture and its main satellite components Gaspare A Silvestri. Perhaps we have a specialist look into this or have the users use the other 2 Citrix servers. The problem I am having is printing via Citrix. Scenario In this example I’m going to log in to a Citrix environment with 10 users, open a PDF document and print the document to a printer using the driver I’m going to test. 2) deployed within a Citrix environment. Citrix printing assigns each printer a unique. This setting controls whether client printers are mapped to a server when a user logs on to a session. Using User Layer, printer devices can be added successfully through "Devices and Printers" Screen. Win2k3, PS 4. Refer to CTX881017 – Troubleshooting Imported Network Print Servers with XenApp. 6 was previously only available with the download of the XenApp/XenDesktop 7. In this example I’m going to log in to a Citrix environment with 10 users, open a PDF document and print the document to a printer using the driver I’m going to test. The thing is we are using the Citrix UPD already. We install the drivers into a windows 2012R2 print server. ScrewDrivers provides a unique, driver-free printing platform for Citrix Virtual Apps and Desktops, formerly XenApp and XenDesktop environments. 18, some applications no longer show the correct default printer. Hello, Have a customer on LTSR 7. I used the tool (and troubleshooting steps) linked here Opens a new window to stress test our printer drivers and found that most of them did not pass the stress test. Then copy the actual driver files from the default location to your back up location. By default, all client printers are auto-created. Stress Printer Tool: This tool can be used to simulate multiple sessions autocreating printers using same printer driver. 5. It can also be used to compare the following among various drivers: Security considerations. Citrix offers a couple of software tools that can put certain aspects of your print environment to the test for robustness and compatibility. If you install the print driver on the VDI and log off/on the Printer works. One of them is StressPrinters, which, like the name suggests, will subject your drivers to several rounds of stress. Stress testing by HP Example print deployment. 6 version. PostScript ( PS ). After restarting, if we open the management console, we configure discovery to take us to the new server, and we will see from the console servers have. exe spikes the cpu at 100% for a while. Understanding Citrix XenDesktop and its Architecture; Desktop virtualization; Hosted Shared Desktops (HSD) versus Hosted Virtual Desktops (HVD)PCL is a printing protocol developed originally by Hewlett-Packard for inkjet printers. Enable the session printing policy in the Edit Policy dialog box. After enabling (assigning) printers to target devices, the Printer Management feature must then be enabled on the vDisk. The person would then need to log. Citrix Stress Printers This tool can be used to simulate multiple sessions autocreating printers using the same printer driver. Citrix Universal Printer is a generic printer created at the beginning of a session that is not tied to any client printing device. By default, a connection delay does not occur. Citrix XenApp: Microsoft signed drivers should always be used. - Use a mix of session printers and auto-created based on Citrix policies. For example: copy C:Windowssystem32spooldriversw32x863 c:ackupprntdrv. To run this test manually, run. exe have a 2-way virtual channel path and can start processing multimedia requests. You can control what, if any, types of printers are provisioned to users. Makolyte. Branch B - A large branch office with thin clients and Windows-based workstations. from Citrix or printing directly from within the session, Print-erLogic makes it easy to deploy printers in a Citrix environ-ment using several different methods. HP tests its. Administrators and help desk personnel can monitor Citrix Virtual Apps and Desktops Sites using a variety of features and tools. Connections. To enable PDF printing: On the Delivery Controller, use the Citrix Studio, to select the Policy node in the left pane. (Choose two) A. 15 and local USB printers do not appear when plugged in. feature testing that is part of the Citrix Ready program, HP performs stress testing of its print drivers to ensure that the print driver can stand up to the printing and auto-creation demand that is common on a Citrix server. Putting it in the base image is easiest. This plug-in is only required for workstations that require print capabilities. Select a user range by entering a Suffix Start and Suffix End value. Filtering autocreated printers is possible via the "Printer driver mapping and compatibility" Citrix user policy. Then, specify the XML port (80 by default). The Applies to the following VDA versions policy listed under Client printer names shows only Virtual Delivery Agent 5. Client printer redirection = Allowed. You can test drivers using StressPrinters to see how they function. The StressPrinters utility is used to troubleshoot printer problems in a terminal service or remote desktop service environment and is basically meant for Citrix XenApp. To use the Universal Print Server with a Windows. If an administrator would like to change settings like Paper Source / Tray / Orientation to already installed printer at. How printer drivers are managed. Under the Computer Configuration node, go to Administrative Templates > Citrix Workspace > Self Service. For session printers, print drivers must be installed locally on the server unless the Citrix Universal Printer is used (requires XenApp 6. 1 helps configuring and troubleshooting the Citrix Printing subsystem on XenApp and XenDesktop – CTX122962. What really annoyed me was that the user couldn't delete the printer unless they re-added the printer first. Click the checkbox next to the device you want to redirect. In the web console, go to the relevant configuration set, navigate to Actions > Printers, and click Add printer. Stress Tested; This does not occur with "auto-created" printers, but rather normally with printers that are assigned via Citrix print policies. Until we move to the new Citrix system (Which 20% of the users are already using). If wee use Citrix UPD without the TVS virtual COM port when it printable remotely pure fine. We find as few common drivers as possible to support every printer for any given customer environment and enable print isolation and driver isolation on the print server. When running the Citrix QuickLaunch tool, you can specify the server name or IP address of a Delivery Controller or Cloud Connector. They open an email and try to print it and they get a message that states that. By default, all client printers are auto-created. This behavior is. Add the following registry key and value to the XenApp server to completely disable printer properties retention. CryptoCitrix Stress Printers This tool can be used to simulate multiple sessions autocreating printers using the same printer driver. The display name of the printer, as it appears in the printer list. At this point use the Citrix Print Driver Stress Test tool to see if this driver is causing the issues. If you specify a printing option that the printer driver does. That means you need to use another technology to manage/save users settings. 6. for XenApp 7. Instructions The following registry flag allows you to alter the default behavior and disable all auto-retained and auto-restored printers for that. If applicable, install the XenApp Printer Optimization Pack. On the Network Printer List tab, click Add or right-click the blank area and then select Add in the context menu. 6/4/2010. citrix. Citrix printing solutions are secure by design. As needed, edit an existing mapping, remove a mapping, or change the order of driver entries in the list. Direct connections to print servers -> Enabled. You can use Citrix stress printer tool to find the faulty drivers. 1. Which two Citrix printing tools can assist a XenApp administrator when working with printer drivers? 05/31/2017 – by Mod_GuideK 0. exe . Click Apply and OK. Universal print driver usage -> Use universal printing only. 5, not xa 4. The main advantage of this solution is that it is multi-session aware (unlike others), so that all the sessions from the same XenApp server can print successfully. When adding this setting to a policy, select an option: A: The Citrix UPS can be installed on the following Citrix products: XenApp/XenDesktop 7. Running the Citrix StressPrinters test with the HP UPD using default settings gives erroneous 15. 2. It handles service requests by impersonating the actual session user. October 23, 2023. To use the Universal Print Server with a Windows. A permanent client printer, also known as an unmanaged printer, is a manually created local printer on a XenApp server that is attached to a legacy client printer port. In Citrix Studio, select the Policy node in the left pane and either create a new. To use the Universal Print Server with a Windows-native. This software is installed and used in both client and server. Tests are run at the server using a standard GUI scripting tool. At this point use the Citrix Print Driver Stress Test tool to see if this driver is causing the issues. We have explained the basic setup and usage of these tools in Chapter 2, Troubleshooting Toolkit for Citrix XenDesktop®, to troubleshoot common. The feature testing performed by HP is very similar to the Citrix Interoperability Test Kit for the Citrix Ready program. Existing printer queues may have a different driver (the one. Today the printers listed in the client's session are the ones he has installed or mapped from the print server on his machine. Large team (s) of Technical Architects and Engineers with strong expertise in product conformance, interoperability and performance/scale testing. With a policy in place, the printers are listed in users’ Devices and Printers, application printer. The tests send synchronization tokens to the client alongside the graphics stream via the ICAIf you select Legacy printer names, Citrix Workspace app for HTML5 doesn’t support the Citrix PDF Printer option. Auto-created printers that no longer have an associated session are not deleted when the Citrix Print Service (CPSVC) restarts. Citrix admins that are running a test should start by specifying the server or servers in the data center via IP address or XML command. To add a printer.