Zebra 77660 用户手册
13358L Rev. 1 11/17/03
Z4Mplus and Z6Mplus Maintenance Manual
97
Preventive and Corrective Maintenance
Section 4
19.
Set your VOM (voltage ohm meter) to the lowest ohm range and connect the meter
between the main frame and the main AC input ground. The reading must be less
than one ohm.
between the main frame and the main AC input ground. The reading must be less
than one ohm.
Figure 4-34. Test the Power Supply
20.
Leave the AC power cord disconnected and turn the power switch On (
l
).
21.
Set the VOM to the highest ohm range and measure between ground and both the
return and hot terminals in the AC power module. Both readings must be in the
Mega ohm to infinite range.
return and hot terminals in the AC power module. Both readings must be in the
Mega ohm to infinite range.
22.
Place the printer in the upright position and open the media door.
23.
Refer to Figure 4-28 on page 90. Reinstall the electronics cover by aligning the
bottom flange inside the base and the top flange between the main frame and media
door.
bottom flange inside the base and the top flange between the main frame and media
door.
24.
Refer to Figure 4-27 on page 89. Open the media door and reinstall the mounting
screw and lock washer
screw and lock washer
25.
Reinstall the media and ribbon, and close the media door.
26.
Reinstall the AC power cord and data cables.
27.
Turn On (
l
) the printer.
VOM
Ground Probe
Positive Probe
Main Frame
To Chassis Ground
Caution • Stop. If the VOM readings are not as indicated, do not apply power to
the printer until the source of the problem has been corrected.
the printer until the source of the problem has been corrected.