Zebra TC77 User Manual

Maintenance and Troubleshooting
224
Troubleshooting
The following tables provides typical problems that might arise and the solution for correcting the problem.
Table 22 Troubleshooting the device
Problem Cause Solution
When pressing the
power button the
device does not turn
on.
Battery not charged. Charge or replace the battery in the device.
Battery not installed
properly.
Install the battery properly.
System crash. Perform a reset.
When pressing the
power button the
device does not turn
on but two LEDs
blink.
Battery charge is at a level
where data is maintained
but battery should be
re-charged.
Charge or replace the battery in the device.
Battery did not
charge.
Battery failed. Replace battery. If the device still does not operate,
perform a reset.
device removed from
cradle while battery was
charging.
Insert device in cradle. The 4,620 mAh battery fully
charges in less than five hours at room temperature.
Extreme battery
temperature.
Battery does not charge if ambient temperature is
below 0°C (32°F) or above 40°C (104°F).
Cannot see
characters on display.
device not powered on. Press the Power button.
During data
communication with a
host computer, no
data transmitted, or
transmitted data was
incomplete.
device removed from
cradle or disconnected
from host computer during
communication.
Replace the device in the cradle, or reattach the
communication cable and re-transmit.
Incorrect cable
configuration.
See the system administrator.
Communication software
was incorrectly installed or
configured.
Perform setup.
During data
communication over
Wi-Fi, no data
transmitted, or
transmitted data was
incomplete.
Wi-Fi radio is not on. Turn on the Wi-Fi radio.
You moved out of range of
an access point.
Move closer to an access point.
During data
communication over
Bluetooth, no data
transmitted, or
transmitted data was
incomplete.
Bluetooth radio is not on. Turn on the Bluetooth radio.
You moved out of range of
another Bluetooth device.
Move within 10 meters (32.8 feet) of the other device.
No sound. Volume setting is low or
turned off.
Adjust the volume.

Zebra TC77 Specifications

General

Display diagonal	4.7 \
Touch technology	Dual-touch
Touchscreen type	Capacitive
Display resolution	1280 x 720 pixels
Flash memory	32 GB
Internal memory	4 GB
Internal memory type	-
Compatible memory cards	MicroSD (TransFlash), SD, SDHC, SDXC
Number of cores	8
Processor family	Snapdragon
Processor frequency	2.2 GHz
Processor manufacturer	Qualcomm
Operating system version	8.1
Operating system installed	Android
Data network	2G, 3G, EDGE, GPRS, HSPA, HSPA+, LTE, UMTS
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Bluetooth version	5.0
GSM bands supported	850, 900, 1800, 1900 MHz
Security algorithms	AES, EAP-TTLS, LEAP, MSCHAPv2, PEAP, TKIP, WEP, WPA, WPA-Enterprise, WPA2, WPA2-Enterprise
Rear camera resolution (numeric)	13 MP
USB 2.0 ports quantity	1
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	-20 - 50 °C
Operating relative humidity (H-H)	5 - 90 %
Battery voltage	3.7 V
Battery capacity	4620 mAh
Certification	WFA (802.11n, WMM-PS, 801.11ac, PMF)
Product color	Black, Silver
Linear (1D) barcodes supported	Code 39
International Protection (IP) code	IP65, IP68
Harmonized System (HS) code	84713000

Weight and Dimensions

Depth	28 mm
Width	84 mm
Height	161 mm
Weight	376 g