Testing for compatibility – Apple Mac OS 7.6 User Manual
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You have trouble printing in a particular application program.
Cause: The program may be incompatible with the QuickDraw GX
printer driver.
Solution 1: Install the QuickDraw GX utilities and use the QuickDraw GX
Helper utility to turn off QuickDraw GX printing capabilities for the
program. For instructions on how to install the QuickDraw GX utilities, see
the section “QuickDraw GX” in “Printing Software” in Chapter 2. After you
install, open the program, then open the Apple (K) menu. Choose “Turn
desktop printing off.” The command changes to “Turn desktop printing on.”
The program uses the non-GX printer driver until you choose the
command again.
Solution 2: You can also turn QuickDraw GX off temporarily with the
Extensions Manager. Hold down the Space bar while you restart your
computer. When the Extensions Manager opens, click the QuickDraw GX
extension to remove the X beside it. This prevents the QuickDraw GX
software from loading. Close the Extensions Manager to resume startup. You
should be able to print normally. You won’t be able to use any QuickDraw GX
features until you turn the extension back on again.
Testing for compatibility
If your computer does not start up properly or behaves erratically, you
probably have an incompatible extension or control panel.
Step 1:
Verify the problem
To verify that you have a compatibility problem, follow the steps below.
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Troubleshooting