Intermec EasyCoder PX6i Service Manual

EasyCoder PX4i and PX6 Service Manual 219
Chapter 17 — Troubleshooting
17.6 Driver Board Failures
Description:
• Some or all of the following functions do not work properly.
- Console
- Printhead
- Platen roller/ribbon rewind stepper motor
- Liner rewind stepper motor
- Cutter
Possible Causes and Suggested Remedies:
• Faulty driver board.
- Check voltages using the test points on the CPU board, see Chapter
15.4. If all voltages are missing, check the 24 VDC output from the
CPU board and the cable between the power supply and the driver
board. If the 24 VDC input to the driver board is OK, the trouble is
likely to be in the driver board.
- Check the 24 VDC to the CPU board on connector P1, pin 1.
- Check the 24 VDC to the printhead on connector P5 while perform-
ing a print operation.
- Check the 33 VDC to the platen roller/ribbon rewinder stepper
motor on connector P10 while performing a feed or print opera-
tion. The stepper motor driver may be damaged because the platen
roller has been manually rotated while power was on, unintentionally
making the stepper motor work as a generator.
- Check the 33 VDC to the platen roller/ribbon rewinder stepper
motor on connector P11 while performing a feed or print operation.
- Check the 24 VDC to the cutter on connector P12 while performing
a cut operation.
If the any of the voltages are missing or are wrong, replace the driver
board without attempting to repair it. The only exception is if you are
positively sure that the fuse F1 has blown because of a short-circuit of
your own doing. In that case, you can cut off the legs of the fuse and
solder a new 4A fuse in its place.

Intermec EasyCoder PX6i Specifications

General

Print technology	Direct thermal
Maximum resolution	203 x 203 DPI
Display	LCD
Product color	Silver
Standard interfaces	RS-232, USB 2.0
Internal memory	16 MB
Media thickness	2.4/10 mm
Maximum label width	170 mm
Maximum label length	4 m
Maximum roll diameter	213 mm
Maximum internal memory	1 GB
Supported network protocols	TCP/IP, LPR/LPD, FTP, BOOTP, DHCP, HTTP, SNMPv3, SMTP, SNMP-MIB II
Power requirements	90 - 265 VAC, 45 - 65Hz
Power consumption (standby)	20 W
Power consumption (printing)	125 W
Storage temperature (T-T)	-20 - 70 °C
Operating temperature (T-T)	40 - 104 °F
Operating relative humidity (H-H)	10 - 90 %

Weight and Dimensions

Depth	482 mm
Width	238 mm
Height	335 mm
Weight	14800 g