Enabling and Disabling Attachments

Do this task whenever you need to enable (functionally connect) or disable (disconnect) the printer from the controlling computer system channel. Note that enabling and disabling an attachment is not the same as physically attaching or detaching the attachment.

To accept commands and data from the system, a controlling computer system channel must be enabled, and the printer must be Ready.

You need to enable attachments whenever you do the following: v Switch power on to the system in duplex

v Switch power on to the system in dual simplex

v Switch power on to the system in simplex mode without using Auto Start v Whenever you need to enable a disabled attachment.

The enable/disable status of installed host attachments may be set differently between duplex and dual simplex modes and between Printer 1 and Printer 2 in dual simplex.

Remote Channel Enable/Disable

If your installation uses two System/370 Parallel Channels, a ªRemote Channel Enable/Disableº feature may be installed (contact your service representative if you are not sure). If the ªRemote Channel Enable/Disableº feature is installed, you must notify the remote operator whenever you require the Parallel channels to be enabled or disabled.

Note: Although there is nothing to prohibit the use of the Enable/Disable

Attachments procedure, you should not use it when the ªRemote Channel

Enable/Disableº feature is installed.

Local Channel Enable/Disable

 

Note: Do not use this procedure if the ªRemote Channel Enable/Disableº feature

 

is installed.

 

The enable/disable status of host attachments cannot be changed for an individual

 

printer or for the complete two-printer system unless the printers are in the Not

 

Ready state.

You may make the printers Not Ready at either the printer Display Touch Screen

window or the stacker control panel. You must use that same panel or window to

make the printers Ready.

v In duplex mode, SELECT the Stop pushbutton on the Display Touch Screen

main window.

v In dual simplex mode, SELECT the Stop pushbutton on the Display Touch

Screen window for the target printer.

v In simplex mode, SELECT the Stop pushbutton on the Display Touch Screen

window for the printer.

 

Chapter 6. Operator Responsibilities 63

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IBM 3000 manual Enabling and Disabling Attachments, Remote Channel Enable/Disable, Local Channel Enable/Disable