Zebra Technologies R2844Z Thermal Printer with RFID User Manual Part 4

Zebra Technologies Corporation Thermal Printer with RFID Users Manual Part 4

Users Manual Part 4

Download: Zebra Technologies R2844Z Thermal Printer with RFID User Manual Part 4
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Document ID416252
Application IDP2fujQjrwxwo7TIjEseiLA==
Document DescriptionUsers Manual Part 4
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeUser Manual
Display FormatAdobe Acrobat PDF - pdf
Filesize117.26kB (1465753 bits)
Date Submitted2004-04-21 00:00:00
Date Available2004-04-20 00:00:00
Creation Date2004-04-05 10:58:17
Producing SoftwareAcrobat Distiller 5.0.5 (Windows)
Document Lastmod2004-04-05 10:58:34
Document TitleUsers Manual Part 4

52
980476-001A
Maintenance
Cleaning
When you clean the printer, use one or more of the following supplies that
best suits your needs:
CLEANING SUPPLIES
Cleaning pens (12)
Cleaning swabs (25)
Cleaning cards, 4-in wide (25)
Save-a-Print Head film, 4-in wide (3)
The cleaning process takes just a couple of minutes using the steps outlined
below.
Printer Part
Method
Let the print head to cool for one minute, then use a new
cleaning pen to swab the print elements (the thin gray
line on the print head) from end to end. NOTE: You do
not have to turn off the printer to do this.
Print head
If print quality remains poor after cleaning, try the
Save-a-Print Head cleaning film to remove buildup
without damaging the print head. Call your authorized
reseller for more information.
Platen roller
Peel bar
980476-001A
Interval
As
necessary
or after
every five
rolls of
media
Manually rotate the platen roller. Clean it thoroughly
with 70% isopropyl alcohol and a cleaning swab,
cleaning card, or lint-free cloth.
Tear bar
Clean it thoroughly with 70% isopropyl alcohol and a
cotton swab.
Exterior
Water-dampened cloth
Interior
Brush or air blow
Cutter
Use tweezers to remove scraps
As needed
53
Adhesives and coatings of media can over time transfer onto the printer
components along the media path including the platen and print head.
This build-up can accumulate dust and debris. Failure to clean the print
head, media path and platen roller could result in inadvertent loss of labels,
label jams and possible damage to the printer.
Print Head Considerations
Always use a new cleaning pen on the print head (an old pen carries
contaminants from its previous uses that may damage the print head).
MOVIE
Media Path Considerations
Use a cleaning swab or pen to remove debris, dust or crust that has built-up
on the holders, guides and media path surfaces.
1. Use the alcohol in the cleaning swab or pen to soak the debris so that it
breaks up.
2. Wipe the area with the cleaning swab or pen to remove the debris.
3. Discard the cleaning swab or pen after use.
Cleaning Card Considerations
Use a cleaning card to remove debris that has built-up on the platen. Avoid
scrubbing or vigorously rubbing the platen; otherwise, the surface could be
damaged.
1. Open the printer and remove labels.
2. Place the cleaning card into the label path so that it is under the guides
and it extends between the print head and platen roller.
3. Close and latch the printer.
4. With the power switch on, press the feed switch to move the cleaning
card through the printer.
5. Discard the card after use.
54
980476-001A
Platen Considerations
The standard platen (drive roller) normally does not require cleaning. Paper
and liner dust can accumulate without effecting print operations.
Contaminates on the platen roller can damage the print head or cause the
media to slip when printing. Adhesive, dirt, general dust, oils and other
contaminates should be cleaned immediately off the platen.
Keep a new platen available as a spare and install it whenever the printer
has significantly poorer performance, print quality or media handling. If
sticking or jamming continues even after cleaning, you must replace the
platen.
The platen can be cleaned with a fiber-free swab (such as a Texpad swab)
or a lint free, clean, damp cloth very lightly moistened with medical grade
alcohol (70% pure or better).
1. Open the media door and remove the media.
2. Clean the platen surface with the alcohol moistened swab. Rotate the
platen while swabbing. Repeat this process two to three times with a
new swab to remove residual contaminates. Adhesives and oils, for
example, may be thinned by the initial cleaning but not completely
removed.
3. Discard the cleaning swab or pen after use.
Allow the printer to dry for one minute before loading labels.
Lubrication
No lubricating agents of any kind should be used on this printer! Some
commercially available lubricants, if used, will damage the finish and the
mechanical parts inside the printer.
980476-001A
55
Replacing the Platen
Removal
MOVIE
Open the printer and remove any media.
1. Using a pointed stylus (such as
tweezers, small slot-head screwdriver,
or razor-knife), unhook the tabs on the
right and left sides. Then rotate them
forward.
2. Lift the platen out of the printer’s
bottom frame.
Assembly
Make sure the right bearing is on the shaft
of the platen.
1. Align the platen with the gear to the
left and lower it into the printer’s
bottom frame.
2. Rotate the tabs back and snap them
into place.
56
980476-001A
Replacing the Print Head
MOVIE
In the event you need to replace the print head, read the procedure and
review the removal and installation steps before actually replacing the print
head.
Prepare your work area by protecting against static discharge. Your work
area must be static-safe and include a properly grounded conductive
cushioned mat to hold the printer and a conductive wrist strap for yourself.
CAUTION • Turn the printer power off and unplug the power cord before replacing
the print head.
980476-001A
57
Thermal-Transfer TLP Model
Before following the steps in this MOVIE
procedure, open the printer by
pulling the release latches forward then
lifting the top cover. Remove any ribbon
from the carriage.
Removal
1. Grasp the print head spring and pull it
to the left; then, slide it free of the
carriage.
2. Use the spring to pry the print head
clip off the right side of the carriage.
3. Pull the print head and bracket
forward.
4. Use a #2 Phillips driver to remove the
screw that holds the ground wire.
5. Unplug both bundles of print head
wires from their connectors.
58
980476-001A
Replacing the TLP Print Head (Continued)
Assembly
The new print head comes with the clip
and ground screw attached.
1. Align the print head and bracket to
plug the left and right connectors into
the black and white wire bundles.
2. Attach the ground wire and secure it
with the screw. Use a #2 Phillips
driver to tighten it.
3. Insert the bracket pegs into the left
side of the carriage.
MOVIE
4. Align the right side of the bracket and
insert the print head clip through the
right side of the ribbon carriage into
the bracket.
5. Slip the left end of the print head
spring into the left side of the ribbon
carriage; then slide the right end into
the other side. The angle of the “V”
fits into the indent on top of the print
head bracket.
6. Clean the print head with the cleaning
pen.
Reload media and ribbon. Plug in the
power cord. Print a status report to ensure
proper function.
980476-001A
59
60
980476-001A
Troubleshooting
What the Status Light is Telling You
Status LED
Condition and Color
Printer
Status
For a Resolution,
Refer to number:
Off
Off
Solid Green
On
Flashing Yellow
Stopped
Flashing Green
Normal Operation
Flashing Red
Stopped
Double Flashing Green
Paused
Solid Yellow
Various
Alternately Flashing Green and Red
Needs Service
Resolutions
1. The printer is not receiving power.
■
Have you turned on the printer power?
■
Check power connections from the wall outlet to the power supply, and
from the power supply to the printer.
2. The printer is on and in an idle state.
■
980476-001A
No action necessary.
61
3. The printer has failed its power on self test (POST).
■
If this error occurs right after you turn on the printer, contact an
authorized reseller for assistance.
There is a shortage of memory.
■
If this error occurs after you have been printing, turn the printer power
off and on. Then, resume printing.
4. The printer is receiving data.
■
As soon as all of the data has been received, the status LED will turn
green; then, the printer will automatically resume operation.
5. Either the media or ribbon is out.
■
Load a roll of media, following the instructions in “Loading the Media”
on page 9. Then, press the feed button to resume printing.
■
Load a roll of ribbon, following the instructions in “Loading the
Ribbon” on page 12. Then, press the feed button to resume printing.
The print head is open.
■
Close the top cover. Then, press the feed button to resume printing.
6. The printer is paused.
■
62
Press the feed button to resume printing.
980476-001A
7. The print head is under temperature.
■
Continue printing while the print head reaches the correct operating
temperature.
The print head is over temperature.
■
Printing will stop until the print head cools to an acceptable printing
temperature. When it does, the printer will automatically resume
operation.
8. FLASH memory is not programmed.
■
980476-001A
Return the printer to an authorized reseller.
63
Print Quality Problems
No print on the label.
■
You must use the correct media for the method of printing you require.
When printing without a ribbon, you must use direct thermal media.
When using ribbon, you must use thermal transfer media. The printer's
ribbon sensor detects motion of the supply spindle.
■
Is the media loaded correctly? Follow the instructions in “Loading the
Media” on page 9.
The printed image does not look right.
■
The print head is dirty. Clean the print head according to the
instructions on page 59.
■
The print head is under temperature.
■
Adjust the print darkness and/or print speed. Refer to the six-flash
sequence in “Feed Button Modes” on page 70, or the ^PR and ~SD
commands in the ZPL II Programming Guide.
■
The media being used is incompatible with the printer. Be sure to use
the recommended media for your application, and always use
Zebra-approved labels and tags.
There are long tracks of missing print (blank vertical lines) on
several labels.
■
The print head is dirty. Clean the print head as shown on page 59.
■
The print head elements are damaged. Replace the print head (see
“Replacing the Print Head” on page 58).
The ribbon sensor settings did not print.
■
64
The printer is set for direct thermal printing; use the ^XA^MTT^XZ
command to reset the printer for thermal transfer printing and calibrate
again.
980476-001A
The printing does not start at the top of the label, or misprinting of
one to three labels.
■
The media may not be threaded under the media guides. Refer to
“Loading the Media” on page 9.
■
The printer needs to be calibrated. Refer to “Auto Calibration” on page
14.
■
The correct media sensor may not be activated. Manual calibration
selects the media sensing method for the labels being used (refer to the
^MN command in the ZPL II Programming Guide).
■
Verify that the Label Top (^LT) command is correctly set for your
application (consult the ZPL II Programming Guide).
A label format was sent to, but not recognized by, the printer.
■
Is the printer in pause mode? If so, press the feed button.
■
If the status LED is on or flashing, refer to “What the Status LED is
Telling You” on page 61.
■
Make sure the data cable is correctly installed.
■
A communications problem has occurred. First, make sure that the
correct communications port on the computer is selected. Refer to
“Communicating with the Printer” on page 18.
980476-001A
65
RFID Symptoms
External reader cannot confirm RFID tags are programmed.
■
Is the printer set up correctly? Print a configuration label to verify RFID
version. See “Auto Calibration” on page 14.
■
Check if supported RFID media is loaded correctly.
VOID messages are printed across media.
■
Verify tag type is properly selected in ZPL II. Use RFID media with
supported tag type. Edit ZPL II to select proper tag type or increase
retries.
■
ZPL II is attempting to write to a non-existent block. Some tags’ blocks
are identified as 0-7. If ZPL II attempts to write to block “8,” it will fail.
■
Check voided tag on external reader. If this is a media probelm, discard
or return bad tags.
■
Media's transponder is out of range from printer's antenna. Contact
Zebra for the latest media and transponder specifications.
Nothing is printed.
■
See if the correct media is loaded or load new, fresh media.
■
See if tags can be read/programmed using other hardware.
■
Verify ZPL II RFID commands. Debug the printing program.
■
Tag is out of reach of the antenna or too close. Verify tag alignment.
■
Wrong type of tag was selected. Check ZPL II.
■
Block is write protected. Ensure that the tag is not write protected.
■
Aluminum and other metals within tag may interfere with read/write.
Make sure media meets requirements.
■
Increase the number of retries in the ZPL II commands.
■
Time out may have occurred during internal communication. Cycle
power and try printing label again.
Call a service technician if you have been unsuccessful in getting your
expected print out and data.
66
980476-001A
Manual Calibration
Manual calibration is recommended whenever you are using pre-printed
labels (or label backing) or if the printer will not correctly auto calibrate.
1. Turn on the printer power.
2. Remove approximately 4" (102 mm) of labels from a section of backing
material. Load the media so that only the backing material is threaded
through the printer and under the print head.
3. Press and hold the feed button until the green status LED flashes once,
then twice. Release the feed button.
4. The printer will set the media sensor for the label backing being used.
After it is done making this adjustment, the roll will automatically feed
until a label is positioned at the print head.
5. A profile of the media sensor settings (similar to the example below)
will print. Upon completion, the printer will save the new settings in
memory and the printer is ready for normal operation.
6. Press the feed button. One entire blank label will feed. If this does not
happen, try defaulting (refer to the four-flash sequence in “Feed Button
Modes” on page 70) and recalibrating the printer.
NOTE • Performing a manual calibration disables the auto calibration function. To
return to auto calibration, default the printer (see the four-flash sequence in “Feed
Button Modes” on page 70).
980476-001A
67
Troubleshooting Tests
Printing a Configuration Label
To print out a listing of the printer’s current configuration, refer to the
one-flash sequence in “Feed Button Modes” on page 70.
Recalibration
Recalibrate the printer if it starts to display unusual symptoms, such as
skipping labels. See “Auto Calibration” on page 14.
PRINTER CONFIGURATION
Zebra Technologies
ZTC R2844-Z-200dpi
+10................
+000...............
TEAR OFF ...........
NON-CONTINUOUS.....
WEB................
THERMAL-TRANS......
104 0/8 MM .........
1248...............
39.0IN 988MM .....
NOT CONNECTED ......
PARALLEL...........
RS232 .............
8600...............
8 BITS .............
NONE...............
XON/XOFF...........
NONE...............
000................
NORMAL MODE ........
<˜> 7EH ...........
<^> 5EH ...........
<,> 2CH ...........
ZPL II .............
FEED...............
FEED...............
DEFAULT............
+020...............
+0000..............
029................
068................
050................
050................
001................
062................
000................
081................
CS.................
...................
832 8/MM FULL ......
SP.814.B <- .....
V2.2.6.98.C........
CUSTOMIZED.........
1024.............R:
0768.............E:
NONE...............
...................
NONE...............
NONE...............
OEM400:Ver. 2.4F
DARKNESS
TEAR OFF
PRINT MODE
MEDIA TYPE
SENSOR TYPE
PRINT METHOD
PRINT WIDTH
LABEL LENGTH
MAXIMUM LENGTH
USM COMM.
PARALLEL COMM.
SERIAL COMM.
BAUD
DATA BITS
PARITY
HOST HANDSHAKE
PROTOCOL
NETWORK ID
COMMUNICATIONS
CONTROL PREFIX
FORMAT PREFIX
DELIMITER CHAR
ZPL MODE
MEDIA POWER UP
HEAD CLOSE
BACKFEED
LABEL TOP
LEFT POSITION
WEB S.
MEDIA S.
RIBBON S.
MARK S.
MARK MED S.
MEDIA LED
RIBBON LED
MARK LED
MODES ENABLED
MODES DISABLED
RESOLUTION
FIRMWARE
HARDWARE ID
CONFIGURATION
RAM
ONBOARD FLASH
FORMAT CONVERT
TWINAX/COAX ID
OPTION
ZEBRA NET II
RFID VERSION
FIRMWARE IN THIS PRINTER IS COPYRIGHTED
68
980476-001A
Resetting the Factory Default Values
Sometimes, resetting the printer to the factory defaults solves some of the
problems. Follow the four-flash sequence instructions in “Feed Button
Modes” on page 70.
Communications Diagnostics
MOVIE
If there is a problem transferring data between the computer and printer, try
putting the printer in the communications diagnostics mode. The printer
will print the ASCII characters and their respective hexadecimal values (a
sample is shown below) for any data received from the host computer. To
find out how, refer to the power off mode procedure in “Feed Button
Modes” on page 70.
980476-001A
69
Feed Button Modes
Power Off Mode (Communications Diagnostics Mode)
With the printer power off, press and hold the feed button while you turn on the power. The printer
prints out a listing of its current configuration (see Figure 22). After printing the label, the printer will
automatically enter a diagnostic mode in which the printer prints out a literal representation (see Figure
23) of all data subsequently received. To exit the diagnostic mode and resume printing, turn off and then
turn on the printer.
Power On Modes
With the printer power on and top cover closed, press and hold the feed button for several seconds. The
green status LED will flash a number of times in sequence. The explanation at the right (Action) shows
what happens when you release the key after the specific number of flashes.
Flash
Sequence
A configuration label prints.
MOVIE
**
MOVIE
MOVIE
**
***
**
***
****
*****
**
***
****
*****
******
70
The media sensor calibrates and a media sensor profile prints (see “Manual
Calibration” on page 67).
To reset the communication parameters. Press and release the feed button while
the LED rapidly flashes yellow and green.
For autobaud synchronization: Send a ZPL II format to the printer while the LED
rapidly flashes yellow and green. When the printer and host are synchronized, the
LED changes to solid green. NOTE: No labels will print during autobaud
synchronization.
**
***
****
MOVIE
Action
MOVIE
Resets the factory defaults, auto calibrates, and saves settings into memory.
MOVIE
MOVIE
The print width calibrates. While the status LED alternately flashes green and
yellow, a series of stacking rectangles print on the label. When the rectangle prints
to the outer edges of the label, press and release the feed button. The label width
and current communication parameters will be saved into memory.
The print darkness calibrates. A series of nine samples print, starting with the
lightest and ending with the darkest image. When the desired print darkness is
achieved, press and release the feed button. The print darkness will be saved into
memory.
If the feed button remains pressed after a 7-flash sequence, the printer will ignore the button
when it is released.
980476-001A
Appendix
Interfaces
Universal Serial Bus (USB) Connector
The figure below displays the cable wiring required to use the printer’s
USB interface.
Pin
Signal
Vbus - N/C
D-
D+
Ground
Shell
Shield/
Drain Wire
For printer supported operating systems and drivers, see the software and
documentation CD or visit the Zebra printer web site at:
http://www.zebra.com
For information on the USB interface, go to the USB web site at:
http://www.usb.org
980476-001A
71
Parallel Interface Technical Information
The maximum current available through the interface port is not to exceed a
total of 0.75 amps.
72
Pin No.
Description
NStrobe/Host Clk
2-9
Data Bits 1-8
10
nACK/PtrClk
11
Busy/Per Busy
12
PError/ACK Dat Req.
13
Select/Xflag
14
NAuto Fd/Host Busy
15
Not Used
16-17
Ground
18
+5 V @ 0.75 A Fused
19-30
Ground
31
nInit
32
NFault/nData Avail.
33-34
Not Used
35
+5 V throught 1.8 K Ohms Resistor
36
NSelectin/1284 active
980476-001A
ZebraNet® PrintServer II for Ethernet Networks
This interface uses an RJ-45 straight-through cable type. The table below
provides the pinout assignments.
Signal
Pin
Pin
Signal
Tx+
Tx+
Tx-
Tx-
Rx+
Rx+
---
---
---
---
Rx-
Rx-
---
---
---
---
Pin 4
Pin 3
Pin 2
Pin 1
Pin 5
Pin 6
Pin 7
Pin 8
Looking into the Printer’s
RJ-45 Modular Connector
TM
You can refer to the ZebraNet® PrintServer II for Ethernet Networks
Installation and Operation Guide for details regarding this interface.
980476-001A
73
Serial (RS-232) Connector
Pin No.
Description
Not used
RXD (receive data) input to the printer
TXD (transmit data) output from the printer
DTR (data terminal ready) output from the printer -- controls when the
host may send data
Chassis ground
DSR (data set ready) input to the printer
RTS (request to send) output from the printer -- always in the ACTIVE
condition when the printer is turned on
Not Used
+5 V @ 0.75 A fused
The maximum current available through the serial and/or parallel port is not
to exceed a total of 0.75 Amps.
When XON/XOFF handshaking is selected, data flow is controlled by the
ASCII control codes DC1 (XON) and DC3 (XOFF). The DTR control lead
will have no effect.
Interconnecting to DTE Devices —The printer is configured as data
terminal equipment (DTE). To connect the printer to other DTE devices
(such as the serial port of a personal computer), use an RS-232 null modem
(crossover) cable.
Interconnecting to DCE Devices —When the printer is connected via its
RS-232 interface to data communication equipment (DCE) such as a
modem, a STANDARD RS-232 (straight-through) interface cable must be
used.
74
980476-001A
Connecting the Printer to a DTE Device
DB-25S
Connector
to DTE Device (PC)
20
22
TXD
RXD
RTS
CTS
DSR
GND
DCD
DTR
DB-9P
Connector
to Printer
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
DB-9S
Connector
to DTE Device (PC)
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
DB-9P
Connector
to Printer
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
Connecting the Printer to a DCE Device
DB-25S
Connector
to DCE Device
20
22
RXD
TXD
CTS
RTS
DTR
GND
DCD
DSR
980476-001A
DB-9P
Connector
to Printer
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
DB-9S
Connector
to DCE Device
DCD
TXD
RXD
DSR
GND
DTR
CTS
RTS
DB-9P
Connector
to Printer
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
75
76
980476-001A


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