Starting The Diagnostics; Figure 6-2 Turning Off Appletalk - Tektronix Phaser 340 Service Manual

6
Troubleshooting

Starting the diagnostics

6-28 Phaser 340 Color Printer
1.
Turn off the printer and the computer the diagnostics will be run from.
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.
In the case of a Macintosh, plug the serial cable from the printer into
the Mac's serial port marked "Modem".
2.
Push down the service mode dip-switch. (The switch is the leftmost of
the two dip-switches on the rear panel of the printer, looking at the
back of the printer).
3. 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