Daisy-Chain Printing with OP4W Terminal
Daisy-chain printing allows OfficePower applications to print to a printer connected to your
PC (or to another networked PC) as if it were a server-connected printer. Using this facility
requires configuration tasks on both the PC and the OP server.
Configuration on the PC
- Install the Windows printer driver for the type of printer you wish to use. This is done
using the Printers icon in Control Panel (or you can use Settings:Printers
from the Start menu) - click on the Add button in Windows 3.11, or double-click
the Add Printer icon in Windows 95, 98 or NT 4, and follow the normal Window procedures
to install the appropriate driver.
- If the printer you wish to use is connected to another PC, and will be accessed using
Windows Networking, you will identify the appropriate PC and printer in the Printer Port
settings whilst installing the driver under Windows 95, 98 or NT 4. In Windows 3.11, you must
use Print Manager and Select Network Printer after installing the printer
- For Windows 95, 98 or NT 4, you must also check the Spool Settings. Select
Settings:Printers from the Start menu, right-click on the printer, select
Properties, click on the Details tab, and finally click on the
Spool Settings button. Change the Spool Data Format setting to RAW -
for some printer types this may be the only option, but HP and other printers offer another
setting, EMF, which cannot be used with OP4W Terminal. Click on OK, then on
OK again to close the printer window.
- Select the printer you have now installed as your default printer (OP4W Terminal
will only print to your default printer). In Windows 95, 98 or NT 4, select
Settings:Printers from the Start menu, right-click on the printer, and
select Set As Default. In Windows 3.11, start Print Manager, click on the
printer, and select Set Default Printer from the Printer menu.
- At this point, you should be able to print to the printer from a Windows application, and
it is well to check this before going further. Start Notepad, type a few words, and
Configuration on the OP server
- Your system administrator must use Printers:Update/Create Printers to create a
suitable printer definition. This definition must (a) use a printer model compatible with the
type of printer you intend to use - for example, use the HP4 model if you wish to use a
Laserjet 4 printer, and (b) define the printer usage as Daisy Chained. (For complete
information, see the OfficePower Administrator's Guide.) Note the name of the printer
as defined by the system administrator - by convention, it is convenient if this name is
something mnemonic like daisyLJ4.
Using a daisy-chain printer
You are now ready to use daisy-chain printing. In a Terminal window, select any printing
function - for example select word.print from the menus and select a document to print.
When the printer form is displayed by OP, select the printer name (e.g. daisyLJ4) of the
OP printer created above, and press Accept. After a pause whilst the printer data is
sent to your PC, the Terminal window will return to the OP menu, and the printed document will
appear on your printer.
Problems with certain Windows printer drivers
If the printout fails to appear, it may indicate that the Windows printer driver does not
support the Passthrough facility used by OfficePower to send pre-formatted data to the
printer - in some cases OP4W Terminal can detect this problem and will display a suitable error
message. Many newer drivers are now omitting this facility - for example, HP’s recent Deskjet
and Laserjet drivers (including those for Laserjet 6) are affected.
In this case, you can still use daisy-chain printing by
installing a second driver - as a default, install the Generic / Text Only printer
driver supplied with Windows (look under Generic in the list of manufacturers). Set the
Printer Port to the same value as for the original driver, and make this (second) printer
the Default Printer. Now attempt to print from OfficePower as in the previous
In the case where you are running OP4W under Windows NT4 Workstation, but the printer
is connected to an NT server, you must install the second driver as if for a local printer (i.e.
one connected to "My Computer") and specify any suitable port (e.g. LPT1). Then change the port
to the correct network address after installing the drivers, but before trying to use the
If installation of a second printer driver is necessary, you will need to select the second
driver as your default when printing from OfficePower, but select the original driver as default
when printing from Windows applications.
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