Starting The Diagnostics - Tektronix Phaser 600 Service Manual

Starting the diagnostics

1.
Turn off the printer and the computer from which the diagnostics will
be run. Connect the serial port of the computer to the special
diagnostic, 5-pin serial port of the printer; use the special serial cable
adapter. (Pin 1 is the left-most pin of the five-pin connector, looking at
the back of the printer). Note the Pin 1 polarity mark on the cable
adapter's connector. The serial cable must be plugged into the
diagnostic serial port before the printer is turned on in order to start
the printer in "service mode."
In the case of a Macintosh, plug the serial cable from the printer into
the Mac's serial port marked "Modem."
2.
Turn on both the printer and your computer. In the case of a Apple
PowerBook, select AppleTalk Inactive from the file PowerBook control
strip menu.
Figure 6-2 Turning off AppleTalk
Troubleshooting
Service Manual 6-27
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