Starting The Diagnostics; Figure 6-1 Turning Off Appletalk - Tektronix Phaser 380 Service Manual

Starting the diagnostics

1.
Turn off the printer and the computer the diagnostics will be run from.
Connect the serial port of the computer to the 5-pin, level shifter
adapter cable. (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.
For a PC, plug the serial cable from the printer into the PC's serial
port. In the case of a Macintosh, plug the serial cable from the printer
into the Mac's serial port marked "Modem".
2.
Service switch. Push down the service mode dip-switch. (The switch
is the left-most 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. The printer indicates it is
in Service Mode by displaying the engine ROM version on the front
panel: "Tektronix
In the case of a Apple PowerBook, select AppleTalk Inactive from the
file PowerBook control strip menu.

Figure 6-1 Turning off AppleTalk

4. Configure SoftPC's PC Serial Ports. Set COM1 to the Modem Port.
Flow control does not need to be checked.
V x.xx."
Troubleshooting
Service Manual 6-25
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