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Apple Easter Eggs

By: David K. Every
& Daniel Fanton
(C) Copyright 1999 DKE - All Rights Reserved.

StyleWriter Code Names: Mighty Mouse, Tabasco, Salsa
Apple Color StyleWriter Pro Code Name: Logo

StyleWriter II Testing and Maze Egg (possibly other StyleWriters)
From: Dieder Bylsma
([email protected])

This egg is hard to achieve but will work with some practice. If done properly, you will ultimately have a maze printed out by your printer. If you don't want to try any of the diagnostic tests and would like to see just the maze, instead of letting go at a desired flash, keep holding down the power button until it begins to print.


  1. Unplug the Stylewriter II.
  2. Hold down the Stylewriter II's powerbutton while plugging it back into the outlet, and keep holding the button down for 15 seconds. There will be no light or any indication that the SWII is powered up.
  3. Release the power button, and then hold down the button again. Let go once the Paper-jam light (orange) has reached a desired number of flashes for the diagnostic test you want the tests are below. (It has been found that the number of flashes is, in some way, directly related to how long you hold down the power button before and after plug-in.)
  4. It will then start a diagnostic. Only way to abort the self-test is to push the power-button on the Stylewriter II and turn it off. 

    Diagnostic tests for each number of flashes:

    1. horizontal and vertical alignment pattern, along with 50% and 100% black pattern and nozzle-pattern at bottom (nozzle- pattern = diagonal swash that appears on the standard test page)
    2. single hairline across top of page with vertical drop on either side.
    3. dotted hairline test, and 50% and 100% black test bands made unidirectionally
    4. 50% gray test whole page except for white rectangle in centre
    5. single hairline at the top of the page, three black 1/2 " x 1/4" swatches underneath hairline. Same swatches reproduced in middle of page w/o hairline
    6. single hairline at top of page with black swatch underneath it.
    7. various horizontal test patterns on top 1/4 of page at various speeds, i.e. draft, high quality etc.
    8. and up - Prints a maze

    Note: There are also on occasion the carriage return tests where the printer just cycles back and forth.

StyleWriter Credit Screen

While running the StyleWriter I Printer Driver, version 7.2.3 (most likely other versions), click on the version number in the Page Setup or Print Menu to see a list of credits.

While running the StyleWriter II Printer Driver, version 1.2 (most likely other versions, but not version 1.0), Option-click the version number in the Page Setup or Print menu to see some more credits.

For the StyleWriter 2400, you can also triggere the credit screen by holding down Option and clicking on the version number in the Print screen. To make things easier, just assume that all StyleWriters have this egg.

Note: The above eggs also work with other drivers.

Any StyleWriter

Release and then hold down the power button until the printer starts to print. This is a way to check the printing quality, but you will also see a picture of your printer, and maybe a company credit depending on the machine.

Created: 08/26/98
Updated: 11/09/02

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