CD-R King DP321 User manual

DP321

DP321 User's Manual
- i -
Important Safety Instructions
1. Read all of these instructions carefully and thoroughly and save them for later reference.
2. Follow all warnings and instructions in the manual as well as marked on the product.
3. If the printer has been used just now, please not touch the print head for overheating.
4. Do not put your fingers under the tractor cover of the left and right tractor when install the tractor
paper.
5. Unplug this product from the power outlet before cleaning. Do not use liquid or aerosol cleaners.
Use a damp cloth for cleaning.
6. Do not use this product near water.
7. Do not place this product on an unstable cart, stand or table. The product may fall, causing
serious damage to you or the product.
8. Slots and openings on the cabinet and the back or bottom are provided for air ventilation. To
ensure reliable operation of the product and to protect it from overheating, do not block or cover
these openings. The openings should never be blocked by placing the product on a bed, sofa,
rug or other similar surface. This product should never be placed near or over a radiator or
heater. This product should not be placed in a built-in installation or kiosk stand unless proper
ventilation is provided.
9. This product should never be placed near or over a radiator or heat origin, and should avoid of
direct sunshine.
10. Do not locate this product where the cord will be walked on. When the cord or the plug is
mangled, please stop using and get a new one replaced. Make sure the old one is far away
from the printer, so it can avoid someone who does not know the inside story getting damage.
11. Do not use in locations subject to high humidity or dust levels. Excessive humidity and dust may
cause equipment damage or fire.
12. Never push objects of any kind into this product though cabinet slots as they may touch
dangerous voltage dots or short out parts.
13. Don’t remove the printer’s out-cover and repair the printer. When needed, call or take it to the
professional.
14. To ensure safety, please unplug this product prior to leaving it unused for an extended period.
The wall outlet you plan to connect to should be nearby and unobstructed.
15. Unplug this product from the power outlet and leave servicing to qualified service personnel
under the following conditions:
A. When the power cord or plug is damaged or frayed.
B. If liquid has been spilled into the product.
C. If the product has been exposed to rain or water.
D. If the product does not operate normally when the operating instructions are followed. Adjust
only those controls that are covered by the operating instructions since importer adjustment
of other controls may result in damage and will often require extensive work by a qualified
technician to restore the product to normal operation.
E. If the product has been dropped or the cabinet has been damaged.
F. If the product exhibits a distinct change in performance, indicating a need for service.
Note: The contents of this manual may be changed without prior notice.
* All parts of the printer can be recycled. When it is abandoned, we can call it back freely.
Please contact us when you abandon it.

DP321 User's Manual
- ii -
Warnings, Cautions, and Notes
Pay attention to the following promises when using this manual:
Warnings:
Warnings must be followed carefully to avoid bodily injury.
Cautions:
Cautions must be observed to avoid damage to your equipment.
Notes:
Notes contain important information and useful tips on the operation of your printer.
The Guide
First thanks for buying the CD-R King printer. The printer is 9-pin 80-column Dot Matrix Printer,
can satisfy multi-function print requests. It can be widely used in tax, mail, telecom, police,
hospital, insurance, finance, stock, customhouse, cabaret, aviation and transport etc.
The printer feature introduce as follow:
zInstall print paper easily
The install design make you operate easily, install paper rapidly and save your time.
zTear off function
This causes tractor paper to be automatically fed to the tear-off position at the edge of the
window cover, for easy tear-off at the perforations after printing. This zero tear-off capability
helps eliminate paper wastage.
zFacility switch between cut-sheet and tractor paper
Feed the tractor paper back to the installing position through LOAD/EJECT key on the control
panel, pull the paper select lever to the cut-sheet position. Insert the cut-sheet from front to
print. If you want to use tractor paper again, pull the paper select lever back to the tractor paper
position after cut-sheet printing. Then press LOAD/EJECT key, tractor paper may be fed to the
printer again.
zEject function
The function allow the user eject the cut-sheet or tractor paper through the facility button on the
control panel.
zSelect the data transfer interface function automatically
The printer configures parallel interface, USB interface or serial interface (According to specific
interface standards). Connect the printer to the computer with the correct cables. The printer
will switch the correct interface according to the type of data automatically.
zEmulation
The printer supports the Epson ESC/P2 and IBM2391 emulations as standard.
zInternational character set and multi-kinds code pages
Inner international character set (U.S.A, FRANCE, GERMANY, U.K., DENMARK1, SWEDEN,
ITALY, SPAIN 1, JAPAN, NORWAY, DENMARK2, SPAIN 2, LATIN AM, KOREA, LEGAL,
HOLAND, TURKEY) and multi-kinds code pages (U.S.A, MULTI, PORTUGAL, CANADA,
NORWAY, ICELAND, BRASCII, ABICOMP, ROMAN 8, IS0 LTN1, PC858, ISO LTN9, ARAB NLS,
WIN 1256, TURKEY, WIN LAT1, CYRILLIC, RUSSIAN, THAI, VIETNAM).

DP321 User's Manual
- iii -
zBreak pin compensation function
User can set the printer to print using the pin which is in good condition to compensate the
break pin.
zPin switch in turn function
User can set pins to switch while printing form transverse line in order to improve print head life.

DP321 User's Manual
- iv -
Table of Contents
Important Safety Instructions.......................................................................................................... i
The Guide......................................................................................................................................... ii
Chapter 1 Preparation..................................................................................................................... 1
1.1 Unpacking & Checking............................................................................................................. 1
1.2 Unpacking the Protective Materials..........................................................................................1
1.3 Main Parts of the Printer .......................................................................................................... 2
1.4 Choosing a Place for the Printer .............................................................................................. 2
1.5 Assembling the Printer ............................................................................................................. 3
1.5.1 Installing the Paper Feed Knob ......................................................................................... 3
1.5.2 Installing the Ribbon Cartridge .......................................................................................... 3
1.6 Installing the Tractor ................................................................................................................ 5
1.6.1 Installing the Push Tractor................................................................................................. 6
1.6.2 Installing the Pull Tractor ................................................................................................... 6
1.7 Connect the Power Cord.......................................................................................................... 7
1.8 Running the Self-test ............................................................................................................... 8
1.9 Connecting the Printer to Your Computer................................................................................. 9
1.9.1 Connecting to the Parallel Interface................................................................................. 10
1.9.2 Connecting to the USB Interface..................................................................................... 10
1.9.3 Connecting to the Serial Interface ................................................................................... 10
1.10 Installing Driver .....................................................................................................................11
Chapter 2 Control Panel Operations............................................................................................ 14
2.1 LED Description ..................................................................................................................... 14
2.2 Basic Control Panel Operations ............................................................................................. 14
2.2.1 In the Tractor Paper Mode............................................................................................... 14
2.2.2 In the Cut-Sheet Mode .................................................................................................... 15
2.2.3 Print Speed...................................................................................................................... 15
2.2.4 Micro-Adjust .................................................................................................................... 15
2.2.5 Feed Paper to the Tear Position...................................................................................... 16
2.2.6 Other Functions of the Panel........................................................................................... 16
2.3 Paper Select Lever ................................................................................................................ 16
2.4 Paper Feed Knob................................................................................................................... 16
2.5 Adjusting the Gap Adjust Lever ..............................................................................................16
Chapter 3 How to Use the Printer................................................................................................. 18
3.1 Installing Print Paper.............................................................................................................. 18
3.1.1 Printing on Cut-Sheets ....................................................................................................18
3.1.2 Printing on Tractor Papers............................................................................................... 19
3.1.3 Multi-part Forms .............................................................................................................. 24
3.1.4 Labels.............................................................................................................................. 25
3.1.5 Envelopes........................................................................................................................ 25
3.2 Using the Printer Setting Mode ..............................................................................................26
3.2.1 To Print the Current Settings ........................................................................................... 26
3.2.2 Online-aptitude Parameter Settings................................................................................. 28

DP321 User's Manual
- v -
3.3 Explaining Menu Terms.......................................................................................................... 29
3.4 Restore the Default Settings .................................................................................................. 31
Chapter 4 Problems and Solutions.............................................................................................. 32
4.1 Problems and Solutions ......................................................................................................... 32
4.2 Power Supply......................................................................................................................... 32
4.3 Printing................................................................................................................................... 32
4.4 Paper Handling ...................................................................................................................... 34
4.5 Alignment Adjust Mode .......................................................................................................... 35
Chapter 5 Printer Maintentance.................................................................................................... 36
5.1 Printer Cleaning ..................................................................................................................... 36
Appendix A Specifications............................................................................................................ 37
A.1 General.................................................................................................................................. 37
A.2 Printable Area ........................................................................................................................ 38
A.2.1 Cut Sheets and Envelopes.............................................................................................. 38
A.2.2 Tractor Paper .................................................................................................................. 39
A.3 Interface Specifications.......................................................................................................... 39
A.3.1 Parallel Interface............................................................................................................. 39
A.3.2 USB Interface.................................................................................................................. 40
A.3.3 Serial Interface................................................................................................................ 40
Appendix B Command Summary................................................................................................. 41

DP321 User's Manual
- 1 -
Chapter 1 Preparation
1.1 Unpacking & Checking
Check each item against the followi ng packing list, if any of these items is missing, please
contact your dealer.
Note: The fittings please refer the packing list. The packing style above is subject to
change without notice.
1.2 Unpacking the Protective Materials
1. Open the packing box, lift up the printer, open the upper cover of the printer, remove the
packing materials shown in figure 1-2.
2. Save all the original packing materials, so that it can be used when transport the printer.
Protective materials
Figure 1-2 Unpacking protective materials
Figure 1-1 Packing list
A
Printer
B Ribbon cartridge (JMR108)
C Power cord
D Driver CD (Including user's manual and driver)
E Interface cable
F Facility user’s guide
Protective materials
A BC
D EF

DP321 User's Manual
- 2 -
1.3 Main Parts of the Printer
Figure1-3, Figure1-4 and Figure 1-5 shown are main parts of DP321.
According to specific interface standards★
1.4 Choosing a Place for the Printer
When selecting a place to set up your printer, choose a convenient location that provides the
following:
1. A flat, stable surface.
Paper feed knob
Power switch
Ribbon cartridge
Print head
Paper guide
Paper select lever
Control panel
Gap adjust lever
Tear part
Figure 1-3 Main parts of printer (front view)
Tractor
Printer cover
Figure 1-4 Main parts of printer (side view)
Power supply inlet
Serial interface
USB interface
Parallel interface
Figure 1-5 Main parts of printer (back view)

DP321 User's Manual
- 3 -
2. Adequate room around the printer to allow easy operation and maintenance. Make sure it’s
close enough to the computer for the printer cable to reach, and be sure you can easily
unplug the power cord.
3. Moderate environmental conditions. Select a cool, dry area and protect your printer from
direct sunlight, excessive heat, moisture, or dust.
4. Appropriate power source. Make sure you use a grounded outlet; do not use an adapter plug.
Avoid electrical outlets controlled by timers or wall switches; an interruption in power can wipe
out the information in your computer or printer memory
If you place the printer on a stand, follow these guidelines:
1. Use a stand that supports at least 9 kg (19 lb).
2. Never use a stand that tilts the printer. Always keep it level.
3. Provide enough clearance below the stand and between the legs of the stand so your tractor
paper flows smoothly.
4. Place cables so they do not interfere with paper feeding; secure them to a leg of the stand if
possible.
1.5 Assembling the Printer
Follow the steps in this section to get your printer up and running.
1.5.1 Installing the Paper Feed Knob
1. Insert the paper feed knob into the hole in the printer’s right side. As shown below.
Note: The D shape of knob should be corresponding to the D shape shaft inside the
printer case.
2. Push firmly on the knob until it fits against the printer case.
1.5.2 Installing the Ribbon Cartridge
1. Before installing the ribbon cartridge, make sure the printer is turned off.
2. Dismantle the printer cover to the backward position, and then pull up to remove it.
Figure 1-6 Install the paper feed knob
Fi
g
ure 1-7 Dismantle the
p
rinter cove
r
Paper feed knod

DP321 User's Manual
- 4 -
3. Dismantle the tear part. Impact the locked piece both sides of tear part, then pull up the
tear part shown as follows.
4. Pull the gap adjust lever to the highest position.
5. Slide the printhead to the middle of the printer.
Warning: Never move the printhead while the printer is turned on; this can damage
the printer. Also, if you have just used the printer, let the print head cool for
a few minutes before you touch it.
6. Take out the ribbon, take the surface with a knob facing yourselft, and turn the
ribbon-tighten knob in the direction of the arrow to tighten the ribbon, so it is easier to
install.
7. Insert the ribbon cartridge into the printer as the following figure shown; then press both
sides of the cartridge down firmly to fit the plastic hooks into the printer slots.
Locked piece Tear part
Figure 1-8 Dismantle the tear part
Figure 1-9 Slide the print head to the middle of the printer
Figure 1-10 Tighten the ribbon

DP321 User's Manual
- 5 -
8. Use hands or other auxiliaries, to guide the ribbon between the print head and metal patch.
Turn the ribbon-tightening knob to feed the ribbon into place, it should not be twisted or
creased.
9. Slide the print head from side to side several times to make sure it moves smoothly.
10. After installing the ribbon, pull the gap adjust lever to the original position, then reinstall
the tear part and close the printer cover.
NOTE: 1. When your printing becomes faint, you need to replace the ribbon cartridge.
Otherwise, the print quality will be affected and the printhead may be
damaged.
2. To remove the old ribbon cartridge, first make sure the power is turned off,
move the printhead to the center of the printer. Then grasp the ribbon
cartridge handle on either side and lift it out of the printer. Install a new one
follow the above steps.
3. Please use the original JMR108 ribbon cartridge, our company will not
guarantee to keep the printer in good repair, when it is damaged by
unauthorized ribbon cartridge.
1.6 Installing the Tractor
There are two positions for the tractor to be installed, one is push installation position (back of
printer), and the other is pull installation position (top of printer). The tractor that installed in the
back of printer is called push tractor, and the one installed in the top of printer is called pull
tractor.
Generally, you can use push tractor when using standard tractor paper. Only in this way, can the
printer use tear function normally. If the print position requires high precision, such as printing on
the paper with forms, you are suggested use pull tractor.
Metal patch
Print head
Figure 1-11 Install ribbon cartridge
Figure 1-12 Guide the ribbon between the print head and metal patch

DP321 User's Manual
- 6 -
1.6.1 Installing the Push Tractor
Take the installing slots on both sides of tractor aim at the installation pin which is in the back of
printer, press forward till it locked into the position. (Shown as the following figure)
1.6.2 Installing the Pull Tractor
If the tractor has been installed in the push position (back of printer), take down the tractor, unpack
the tear cutter, and install the tractor in the pull position. The concrecte steps are as follows.
1. Make sure the printer is turned off, take down the paper guide, and dial the paper-select lever to
the tractor paper position according to follow figure.
2. Take down the push tractor, please follow these steps: Compact the locked piece of the tractor
(shown as the following figure), and pull out the tractor from the printer, take down the printer
cover.
Locked piece
Figure 1-13 Install the push tractor
Fi
g
ure 1-14 Set paper-select lever
Figure 1-15 Take down the push tractor

DP321 User's Manual
- 7 -
3. Compact the locked piece of the tear part (shown as the following figure), lift it upwards.
4. Take up the tractor aiming at the installation slot on the top of printer (the slot for the tear part to
be installed), press the tractor until it locked into the slot according to the following figure.
1.7 Connect the Power Cord
1. Make sure the power switch on the printer is turned off. It is off when the O side of the switch
is pressed down.
2. Check the label on the bottom of the printer to make sure the voltage required by the printer
matches that of your electrical outlet.
3. If the power cord is attached to the printer, connect it to the power supply inlet on the printer.
4. Plug the power cord into a properly grounded electrical outlet.
Note: 1. If the rated voltage and your outlet voltage do not match, contact your dealer for
assistance. Do not plug in the power cord.
2. Adopt the electrical outlet connecting the ground properly.
Locked piece
Tear part
Power switch
Electrical outlet
Power cord
Power supply inlet
Figure 1-16 Take down the tear part
Figure 1-17 Install the pull tractor
Figure 1-18 Turn off the printer

DP321 User's Manual
- 8 -
1.8 Running the Self-test
The built-in self-test function demonstrates that the printer is working properly. You can run the
test with either tractor paper or cut-sheets; this section describes the easier way of ASCII
self-test, with cut-sheets.
Note: You should use paper at least 210 mm (8.3 inches) wide to run the self-test;
otherwise, the print head prints directly on the platen.
1. Make sure the printer is turned off and the paper-select lever is pushed back to the cut-sheet
position. Raise the paper guide upright.
2. While holding down the TEAR button, turn on the printer. Loosen the button after the
POWER indicator blinks and the ONLINE indicator is off, which indicates the printer is out of
paper.
3. Slide the left edge guide until it locked in place at the triangular guide mark. Next, adjust the
right edge guide to match the width of your paper.
4. Slide a sheet of paper down firmly between the edge guides until it meets resistance. The
printer loads the sheet automatically and begins printing when pressing ONLINE button.
Figure 1-19 Set paper select lever
Fi
g
ure 1-20 Start up self test
Figure 1-21 Adjust the right edge guide

DP321 User's Manual
- 9 -
Caution: Always close the printer cover while the printer is printing. The printer cover
helps the paper feed properly.
5. To stop printing temporarily, press the ONLINE button.
6. To end the self test, make sure the printer is not printing. Press LF/FF or LOAD/EJECT
button to eject the sheet; then turn off the printer.
NOTE: If the self test did not print satisfactorily, see Chapter 4. If it prints correctly, go on
to the next section.
1.9 Connecting the Printer to Your Computer
The printer configures parallel interface, USB interface or serial interface (According to specific
interface standards). Connect the printer to the computer with the correct cables. Before you
begin, place the printer upright, as shown below. (This makes it easier to connect the cable.)
Note: Before connecting the parallel interface or the serial interface, please make sure
the power of the printer is shut down. Only after tighten the cable, could turn on
the printer, or it will damage the printer.
A S C I I Self-test mode
DP321 VX.X 20XX/XX/XX
!"#$%&’( )*+-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`ab
!"#$%&'( )*+-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abc
d
"#$%&'( )*+-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abc
d
Serial interface
USB interface
Parallel interface
Figure 1-22 Install cut-sheets
Figure 1-23 ASCII Self-test
Figure 1-24 Lay the back of printer upwards

DP321 User's Manual
- 10 -
1.9.1 Connecting to the Parallel Interface
1. Turn off both the computer and the printer. Plug the parallel cable connector securely into the
printer’s parallel interface. Squeeze the wire clips together until they lock in place on either
side of the connector.
2. Plug the other end of the cable into the computer’s parallel interface.
1.9.2 Connecting to the USB Interface
1. Plug the A end of the USB cable (flat shape) into the computer's USB interface.
2. Plug the B end of the USB cable (square shape) into the printer's USB interface.
Note: Don't impact the plug after connecting to the USB cable.
1.9.3 Connecting to the Serial Interface
1. Turn off both the computer and the printer. Plug the serial cable connector securely into the
printer’s serial interface. Tighten the screws on either side of the connector. (As shown in
figure1-27)
Parallel interface
USB interface
Serial interface
Figure 1-25 Connect to the parallel interface
Figure 1-26 Connect to the USB cable
Figure 1-27 Connect to serial interface

DP321 User's Manual
- 11 -
2. Plug the other end of the cable into the computer’s serial interface; then tighten the screws on
either side of the connector.
1.10 Installing Driver
Please use the cable to connect the computer with the printer, then turn on the computer and
the printer, put the driver CD into the CD-ROM. Install driver by the following way:
Auto-install way
Double click the file “Setup.exe” in the driver disc, install driver by the following direction.
Note: Auto-install way just work in operating system of Windows2000 or above.
Hand-operated install way
Note: The hand-operated install ways of serial interface and parallel interface are the
same.
The installing steps for Windows 2000/XP/Vista are as follows
1. Click “Start” →“Settings” →“Select Printers”.
2. Click “Add Printer”, then it will show a window of “Add Printer Wizard”, click “Next”, then
please read the select direct carefully, such as, select “Local printer” in the “Local or
Network Printer” window, then click “next”.
3. Come out a window of “Select the Printer Port”, select a usable port. Such as, select “LPT1:
printer port”, click “Next”.
4. Come out a window of “Manufacturers/Printers”, click “Have Disk...”.
5. Come out a window of “Install From Disk”. Please according to the operating system
environment, you should select the path as follow: CD-ROM-“Driver”-“WIN 2000
(XP-Vista-Win7)”, that you can find a file named: DP321.inf, click “Open”, then click “OK”,
click “Next”.
6. Follow the direct click “Next” gradually till the installation is finished.
The installing steps for Windows 7 are as follows:
1. Click “Start” →“Devices and Printers”.
2. Click “Add a printer”, then it will show a window of “Add Printer”, click “Add a local printer”,
and then click “Next”.
3. Come out a window of “Choose a printer port”, select “Use an existing port”, Such as, select
“LPT1: Printer Port”, click “Next”.
4. Come out a window of “Manufacturers/Printers”, click “Have Disk...”.
5. Come out a window of “Install From Disk”. Please according to the operating system
environment, such as Windows 7 operating system you should select the path as follow:
CD-ROM-“Driver”-“WIN2000 (XP-Vista-Win7)”, where you can find a file named: DP321.inf,
click “Open”, then click “OK” to return to the window of “Manufacturers/Printers”, click
“Next”.
6. Follow the direct click “Next” gradually till the installation is finished.
The USB interface installing steps for Windows 2000/XP/Vista/Win7 are as follows:
The following steps are used Windows XP as example. There are slight differences among
different operating systems.
1. Connect an USB cable and turn on the printer.
2. After the computer find out new hardware and finish searching, come out a window of “Add
New Hardware Wizard”, click “Next”.

DP321 User's Manual
- 12 -
3. Come out a window of “Add New Hardware Wizard”-“Windows operation”, choose “Not
Search, I want to Choose the Setup Driver (D)”, click “Next”.
4. Come out a window of "Manufacturers/Printers", click "Have Disk...”.
5. Come out a window of “Install From Disk”. Please according to the operating system
environment, you should select the path as follow: CD-ROM-“Driver”-“WIN2000
(XP-Vista-Win7)”, where you can find a file named: DP321.inf, click “Open”, then click “OK”
to return to the window of “Manufacturers/Printers”, click “Next”.
6. Follow the direct click “Next” gradually till the installation is finished.
The installing steps for Windows 98 are as follows:
(1)The installing steps with a parallel cable or a serial cable:
1. Click “Start” →“Settings” →“Printers”.
2. Click “Add Printer”, then it will show a window of “Add Printer Wizard”, click “Next”, then
please read the select direct carefully, such as, select “Local printer” in the “Local or
Network Printer” window, then click “Next”.
3. Come out a window of “Click the manufacturer and model of your printer”, click “Have
Disk...”, please click “Browse”, select the path as follow: CD-ROM-“Driver”-“WIN98
(WINME)”, where you can find a file named: DP321.inf, click “Open”, then click “OK”.
4. Come out a window of “Install From Disk”, click “OK”, return to a window of “Add Printer”,
then click “Next”.
5. Come out a window of “Printer port”, select “Available ports”, such as, select “LPT1: Printer
Port”, click “Next”, and then show the printer’s name. If the system is not installed by other
printer driver process, the printer is treated as default printer by the application process of
Window98 environment, click “Next”. Otherwise according to prompt, choose the printer is
default: “Yes”, click “Next”, choose “Yes-(recommended)”, click “Finish”. Come out a
window of “Printer test page completed”, click “Yes”.
6. The printer driver process is installed successfully.
(2)The installing steps with an USB cable:
Note: 1. As the system of Windows 98/ME doesn’t have integrated USB driver control,
please install USB driver before using USB interface printing. Then install USB
printer driver.
2. If it has installed the USB driver, please install the USB printer driver directly as
the following steps.
USB driver installing steps:
1. Connect an USB cable and turn on the printer.
2. After the computer find out new hardware and finish searching, come out a window of “Add
New Hardware Wizard”, click “Next”.
3. Come out a window of “Add New Hardware Wizard”-“Windows operation”, choose “Search
the best driver for the device (recommended)”, click “Next”.
4. Come out a window of “Search for new drivers”, check “Specify a location”, click “Browse”,
select the path as follows: CD-ROM-“Driver”-“【WIN98 (WINME) \ USBdriver】”, then click
“OK”.
5. Return to a window of “Search for new drivers”, click “Next”; Come out a window of “Windows
driver file search for the device”, click “Next”.
6. After the system finishing installing the file automatically, come out a window of “USB print
supported”, click “Finish”.
7. The printer USB driver process is installed successfully.

DP321 User's Manual
- 13 -
USB printer driver installing steps:
1. Click “Start” →“Settings” →“Printers”.
2. Click “Add Printer”, then it will show a window of “Add Printer Wizard”, click “Next”.
3. Come out a window of “Click the manufacturer and model of your printer”, click “Have Disk...”,
please click “Browse”, select the path as follow: CD-ROM-“Driver”-“WIN98 (WINME)”, where
you can find a file named: DP321.inf “Open”, and then click “OK”.
4. Come out a window of “Install From Disk”, click “OK”, return to a window of “Add Printer”, then
click “Next”.
5. Come out a window of “Printer port”, select “Available ports”, select “JMUSB”, click “Next”,
and then show the printer’s name. If the system is not installed by other printer driver process,
the printer is treated as default printer by the application process of Window98 environment,
click “Next”. Otherwise according to prompt, choose the printer is default: “Yes”, click “Next”,
choose “Yes-(recommended)”, click “Finish”. Come out a window of “Printer test page
completed”, click “Yes”.
6. The printer driver process is installed successfully.

DP321 User's Manual
- 14 -
Chapter 2 Control Panel Operations
You can use the four keys on the control panel to operate your printer.
2.1 LED Description
LED OFF ON BLINK
ONLINE (Green) OFFLINE ONLINE Micro-Adjust
POWER (Red) TURN OFF TURN ON PAPER OUT or ERROR
LED 1, 2 Indicate the current printing speed
2.2 Basic Control Panel Operations
2.2.1 In the Tractor Paper Mode
TEAR
1. In the offline mode, if the paper is at the print position, press TEAR key once and the printer feeds
paper to the tear position.
2. In the offline mode, if the paper is at the tear position, press TEAR key once and the printer ejects
paper to the next page or the printing home position of the current page.
LF/FF
In the offline mode, if the paper is at the print position, press the LF/FF button once (less than 0.5
second), the printer will feed the paper one line base on line spacing current setting. Alternatively, hold
the LF/FF button down, the printer will continuously feed the paper one page.
LOAD/EJECT
1. When the paper is at the ready position, press LOAD/EJECT once, the paper will be fed into the
printing home position automatically.
2. When the paper is at print position, press LOAD/EJECT button once in offline mode, if the ejectable
length of the paper is longer than the length of one sheet, the printer will eject the paper one page. If
the ejectable length of the paper is shorter than the length of one sheet, the printer will eject the
paper to ready position.
3. When the paper is at the tear position, press LOAD/EJECT once, the printer will eject the cut-sheet
paper.
ONLINE
1. If the printer has loaded paper in the offline mode, press the key to enter ONLINE mode, the
ONLINE indicator is on and the printer enters into the print mode.
Press this key in the online mode, the printer is offline, ONLINE indicator is off and the printer can
not print.
Figure 2-1 Control pannel
Table of contents
Popular Printer manuals by other brands

Canon
Canon BJC-4000 Service manual

Star Micronics
Star Micronics TSP200 Series Programmer's manual

TallyGenicom
TallyGenicom 9050N - quick start guide

Epson
Epson PictureMate Show - PM 300 - PictureMate Show Digital... user guide

DCA Intertel
DCA Intertel JP 215 Technical manual

SEWOO
SEWOO WTP-100 Technical manual