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OS-214plus Technical Manual Rev. 1.00 January 12, 2009

Rev. 1.00

OS-214plus

Technical Manual

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8.2. Trouble Shooting ....................................................................................................................................................................... 338.3. Cleaning ........................................................ ............................................................ ........................................................... ...... 358.4. Replacement............................................................................................................................................................................... 369. OPERATIONAL THEOREM ................................................................................................................. 399.1. System Block Diagram ......................................................................... ........................................................... .......................... 399.2. Block Diagram of Main Control Board ................................................ ........................................................... .......................... 419.3. Wiring Diagram .............................................................................................. ........................................................... ................ 4410. RECOMMENDED SPARE PARTS ..................................................................................................... 45

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1. GENERAL INTRODUCTION

1.1. Scope

This manual contains the information necessary for the proper maintenance Outstanding

series label printers of ARGOX . Most of the information included relates to hardware andmechanical parts maintenance for authorized personnel.

1.2. Printer description

The ARGOX OS-214plus printer is a high-performance low-cost direct thermal and thermal

transfer label printer. Its user-friendly design and affordable price set new standard for the

heavy duty label printer in retail, office and industrial applications .

The printer is designed with the most efficient memory management technology -True Speed,

prints up to 3 inches /second for OS-214plus. When bundled with its smart printer driver , the

user can easily print a label by using any Windows applications, e.g. Microsoft Word,

ArgoBar, CodeSoft, Bar Tender under Windows XP/2000/98/95,Me and NT. All popular bar

codes and fonts are resident in the printer memory to handle versatile application .

The solidly designed mechanism allows quick and easy media and ribbon loading. The optional

Dispenser and Cutter provide the alternatives of media handling .

1.3. Related manuals

Users manual (Part No:) 49-21401-011

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2. PRINTER SPECIFICATION

2.1. Printing

OS-214plus

Type Thermal transfer and direct thermal

Resolution 203 dots/inch(8 dots/mm)

Max print width 4.16(105mm)

Max print length 43(1092mm)

Max print speed 3 (762mm) per second

Memory 8M bytes DRAM,4M bytes FLASH

Ribbon Outside coating ribbon

2.2. Fonts

Text fonts : Courier (including PC Set, Legal, ECMA94 and Roman-8), 7

alpha -numeric fonts, OCR-A/B, ASD smooth font. All fonts

sizes are expandable by 24x24.Character rotation : 0, 90, 180, 270 degree, 4 direction rotation

2 3 Bar code

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2.4. Media

Media type : Thermal direct - direct thermal paper or vinyl, visible light

and infrared scannable label, tag stock,

butt cut or die cut, with various adhesives.

Thermal transfer - all above media, plus thermal transfer

paper and tags, butt cut or die cut

with various adhesives.

Max label roll diameter : Max. 4.3 (109mm) outer diameter, 1 (25.4mm) inner diameter

Label indexing : Black stripe and gap

2.5. Electrical and Operating environment

Electrical : DC24V

Environment : Operating 40 ~ 140F (4 ~ 38C), 10~90% non condensing

Storage -4F ~ 122F (-20C ~ 50C)

2.6. Physical dimension

Weight : 2.0kgs (4.4lbs)

Size : W7.3 x D10.9 x H6.5 (W185 x D278 x H165mm)

2.7. Agency list

CE, FCC class A, CCC, UL/CUL

2 8 Communication

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2.8.1 Serial Interface Specification

Serial interface of OS-214plus printer is a RS-232C port with standard 9-pin (DB9-S)

connector located at the rear of the printer.

OS-214plus printers employed Flow Control mechanism with either RTS/CTS or X-on/X-off

(control characters are DC2 and DC4).

Programmable parameters of the serial interface on the OS-214plus printer are as the following:

Speed: 1200, 2400, 4800, 9600, 19200 ,38400 ,57600 ,115200 bauds

Parity: Odd, Even, or None

Data Bits: 7 or 8 bits

Stop Bit(s): 1 or 2 bits

Default Parameters: 9600 bauds, no parity, 8 data bits, 1 stop bit

Pin Signal Description

1 Data Set Ready, DSR Shorted to Pin - 6

2 Received Data, RxD Input. Serial Received Data

3 Transmitted Data, TxD Output. Serial Transmitted Data.

4Data Terminal Ready,

DTR

Shorted to Pin - 1

5 GND Signal Ground

6 NC

7 R S d RTSOutput. Used as the control signal for H/W

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2.8.2 Parallel Interface SpecificationThis port complies with IEEE 1284 mode (also named as Standard Parallel Port (SPP) or

Centronics Port).

Pin Signal In/Out Description

1 nSTROBE InActive low. Indicate valid data is on the

data bus from host.

2~9 DATA[1:8] In 8 data line input-only in SPP mode

10 nACK OutActive low. Indicate the last data was

received.

11 BUSY OutA high signal indicates that the printer is

busy and cannot take data. .

12 PE OutA high signal indicates that the printer is

paper empty.

13 SELECT OutA high signal indicates that printer is

online. (Present is fixed to high)

14 nAUTOFEED In

Active low. Instructs the printer to

automatically insert a line feed for each

carriage return. (Present is N.C.)

15 N.D. N.C.

16 Ground GND

17 Chassis Ground GND

18 Peripheral High N.C.

19~30 Signal Ground GND

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Table 2.2

2.8.3 USB Interface Specification

This port complies with USB 2.0 Full-Speed communication.

Pin Signal Description

1 VBUS 5V

2 D - Differential data signaling pair -

3 D + Differential data signaling pair +

4 GND Ground

Table 2.3

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3. CONTROLS AND INDICATORS

3.1. Front panel

READY Indicator

It will start blinking with POWER indicator while Media Out, Media Gap Not Found, or

Ribbon Out been detected.

The following lists the meaning of various LED indications for READY indicator:

1. When printer is started, the READY indicator will blink .2. When printer receives data from host PC, READY indicator will start blinking.

3. READY indicator will blink when printing is paused for any reason.

Note:When the TPH temperature is too hot, the thermal protection function will be touched. READY LED will

blink when entering the PAUSE state to wait for cooling down. The printing job will start until the

temperature of TPH goes down.

POWER Indicator

It will start blinking with READY indicator while Media Out, Media Gap Not Found, or

Ribbon Out being detected.

The following lists the meaning of various LED indications for POWER indicator:

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3. To feed a blank label.

4. To reset printer to factory default settings

5. To resume printing after Media Out or Ribbon Out been resolved.

Power Switch

Turn printer ON/OFF.

3.2. Rear panel

Centronics connector (parallel port)

For parallel port connection . Mostly it is connected to the printer port of a PC .

RS232 connector (serial port)

For serial port connection . Mostly it is connected to the COM port of a PC .

Power switch

Controls application of DC power to printer. Turning the printer ON while holding down Feed

key will cause the printer to perform the self test , calibration or system reset . The

power should be turned OFF while users to connect or disconnect any internal cable .

USB Connector (USB port)

Connector for USB application and, usually, it is connected to the USB port of a PC.

Power Jack

To connect the Power Plug from Power Adaptor

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Power Jack for DC24VUSB Port

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4. OPTIONS

4.1. Cutter mechanism

Optional cutter for cutting labels, tags or tickets . Back feed is included for cutting .

4.2. FONT module

Font module, which is used to store special font such as Traditional Chinese, Simplified

Chinese, Korean, and Japanese

4.3. DispenserDispenser provides the automatic peel-off function.

4.4. RTC module

The RTC module consists of two major components: A Real time clock with battery back-up &

a on-board 4MB flash memory .The RTC module provides function for user to print time &

date messages on the label. The on-board flash memory can be used as permanent data storage

such as downloaded forms, graphics, and true type fonts

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5. SETUP AND DIAGNOSTIC

5.1. Inlet power voltage and grounding

The OS-214plus printer is designed for both 100~240VAC outlet . The line voltage should not

be lower than 90 VAC or higher than 250 VAC and the printer should be connected to a

properly grounded receptacle.

5.2. Perform the self test

Once the printer is first installed, a self test should be performed. To perform the self test,

please follow the procedure :

Turn off the power

Load the media (and ribbon, if using thermal transfer media instead of direct thermal

paper) properly

Press and hold the FEED key then turn on the power.

Release the FEED key after printer starts to print.

The configuration report should be printed as Figure 5.00 or Figure 5.01

To return the printer to normal operation, please turn the power OFF and ON again

or press the CANCEL key for one second, otherwise the printer will enter dump

mode, all input data will not be interpreted.

. Contents and Information of OS-214plus PPLA Self Test Label are as the following:

1. Check Sum

d h k h fi fl h i h ld b 0000

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4. Font Card

This message shows what kind of font card is installed in printer

5. RTC card

This message shows that RTC card is installed in printer

6. No. of DL Soft Fonts

This message shows the numbers of soft fonts downloaded in printer.

7. Print ModeIt is either TT (Thermal Transfer with ribbon) mode

or DT (Direct Thermal without ribbon) mode.

8. Available RAM Size

This message shows available memory can be used in the printer.

9. Standard RAM Size

This message shows standard RAM size in the printer.

10.Version Information

This includes Firmware version and date.

11 DIP it h

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5 Addon card Normal

12.Font Image

Used to check Internal Fonts are correct or not.

13.Control codes

This message shows what kind of control codes

14 Symbol set

Set symbol set for ASD smooth fonts

Figure 5.00

12

1

2

3

4

5

6

7

8

9

10

11

1314

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2. Standard RAM Size

This message shows standard RAM size in the printer.

3.Symbol Set

This message shows symbol set

4. Available RAM Size

This message shows available memory can be used in the printer.

5. Print Mode

It is either TT (Thermal Transfer with ribbon) mode

or DT (Direct Thermal without ribbon) mode.

6. No. of DL Soft Fonts

This message shows the numbers of soft fonts downloaded in printer.

7.H. position adjust

This message shows horizontal offset about location of printing

8. RTC card

This message shows that RTC card is installed in printer

9. Font Card

Thi h h t ki d f f t d i i t ll d i i t

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12. Check Sum

Used to check the firmware flash is correct or not. It should be 0000

13.DIP switch

Sw2 ON OFF

1 No use No use

2 DT mode Normal

3 Factory test Normal

4 No use No use

5 Add on card Normal

14.Font Image

Used to check Internal Fonts are correct or not.

1

2

4

5

6

7

8

9

10

11

3

13

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5.3. CalibrationUnder the following conditions, the paper sensor should be calibrated:

1). After replacing the main board, paper sensor board or print mechanism.

2). The label gap can not be detected properly.

5.3.1 Calibration Procedure:

1. Turn off the printer and open the top cover.

2. Remove the TPH module and clean the paper sensor with cotton bar dampened with

alcohol.

3. Replace the TPH and close the printer

4. Press and hold the FEED button at front panel.

5. Turn on the printer.

6. After the motor starts rotating, release the button.

7. Print a test file.

Paper sensorLabel

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5.4. Printer reset

Some parameters of the printer can be reset to the factory default value by performing the following

steps.

1. Turn on the printer and wait for 5 seconds or more.

2. Press FEED button for about 3 seconds, then the READY indicator and

POWER indicator will go OFF in order.

3. While two indicators become lit again, release the FEED button.

4. At this moment, the printer will come back to the factory default settings.

The following parameters will be reset to the default value:

Label Parameters

Printing Darkness

Printing Speed Symbol Set

Others for specific Emulation

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6. OPTIONAL PARTS INSTALLATIONS

CAUTION

The printer electronics are susceptible to static discharge. Wear

an anti-static wrist and attach it to the printer chassis

6.1. Dispenser installation

1. Turn off the printer power and unplug the printer.2. Unwrap the PC bag of dispenser kit to take out the screw, the shaft, the plastic roller, the

dispenser bar, the direction label and the peeler sensor cable.

Top Cover

3. Take off the top cover of the printer.4. The peeler sensor cable has a sensor board at one end and a connector at the other end.

5. Mount the two little holes of the sensor board on the two spines at left upper corner inside the topcover, keeping the cable at the left.

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6. Route the peeler sensor cable through the guides along the left side of the top cover.

7. Fix the sensor cable and sensor board with Loctite-444 instant adhesive or equivalent.

Sensor Cable

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Middle Cover

8. Release the two screws at the bottom of the base housing.9. Remove the middle cover.

10. Take off the H Cover.11. Tape the direction label on the top of the H cover with the arrow sign heading toward the

opposite of you.

H.Cover

Middle Cover

Base Housing

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Base Housing

12. Release the screw on the left bracket of the chassis.

13. Unlatch the print head module. Hook the white roller on the brackets of the chassis, ensuringthe long thinner end at the left side.

14. Guide the shaft and go through the respective holes on the left bracket, the white roller, and theright bracket in order. (To smooth this procedure, better hold the white roller with one hand.)

15. Secure the attached screw at right bracket of the chassis to fix the shaft.

16. Hook the dispenser bar on the brackets of the chassis, positioning it above the white roller.Ensure that the dispenser bar is paralleled with the black platen roller and it's long thinner end isat the left.

17. Secure back the screw on the left bracket of the chassis.18. Guide the sensor cable connector through the hole on the upper left corner of middle cover.

Screw

Screw

Dispenser Bar

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19. Click the top cover back to the middle cover.

20. Insert the sensor connector into its receptacle on the main logic board of the base housing.(Plug the peeler connector into the PCB's header connector (JP7))

21. Click the middle cover back to the base housing. First click in the front part then the rear.22. Secure the two screws at the bottom of the base housing.

H. Cover

Middle Cover

4 mm Gap

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6.2. Cutter installation

1. Turn off the printer power, unplug the power cable and Centronics / Serial cable.2. Remove the top cover.3. Remove two screws at base housing.

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5. Add a cutter IC baby board to J16 on the main board.6. Secure four attached screws for the cutter.

7. Plug the cutter's connector into the PCB's header connector (JP9).8. Reinstate the print head assembly by securing back the 4 screws.9. Click back the middle cover.

10. Secure two screws back at base housing.11. Install the top cover.

Cutter

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7. FIRMWARE UPGRADING

Firmware in Printer OS-214plus can be upgraded through the Centronic port (or USB

port(only printer utility)) on the printer. The following sections describe how to upgrade

Firmware in normal ,USB corrupted cases.

7.1. Unzip Firmware File

This diskette (ZIP file) contains related files and data that you may change or upgrade the Firmware.

Before changing the Firmware, decompress these files first.

7.2. Upgrade Firmware in Normal Case (only centronic port )

1. Turn ON the printer and wait for 3 seconds.

2. Enter firmware folder (PPLB or PPLA)

3. Execute PPLB.BAT or PPLA.BAT

4. Wait for 2~3 minutes until both READY and POWER LEDs are

synchronously blinking showing that Upgrade has been completed. Turn OFF the power

and restart the printer

5. After updating Firmware successfully, please reset the printer.

7.3. Upgrade Firmware in USB or other Case(centronic or USB port )

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7.4. Upgrade Firmware in Crashed Case

In very abnormal case, the Boot-Up program located at BOOT sector of Flash ROM in

OS-214plus might be crashed (supposedly it is impossible to happen). This will cause the

printer fail to perform Firmware upgrade with the above normal procedures. In this case,

you might refer to below to upgrade the Firmware.

1. Please install the add-on card.

2. DIP switch on DIP 5 should be put on ON position.

3. Turn ON the printer and wait until READY and POWER LEDs are blinking at the

same tempo.

4. Turn OFF the printer.

5. Put DIP switch on DIP 5 to the OFF position again.

6. Turn ON the printer, if READY LED blinks that means the corrupt case is solved.

7. If the firmware is not latest, please refer to steps in section 7.2 or 7.3 to upgrade the

latest firmware.

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8. MAINTENANCE AND TROUBLE SHOOTING:

8.1. Printer Status Indication

The printer has built-in monitors for the status. The status and error indications will be displayed

via the front panel LED indicators. Generally, when a malfunction or an abnormal condition is

detected, the ERROR LED will blink. Tab. 8.1 below shows the LED indications corresponding

to various errors.

Situation Blinking LED Description

PAUSE READY The printer is at paused state. Press FEED button to

return to normal state.

MEDIA OUT READY &

POWER LEDs

blink in same tempo

The media is not installed or used up.

Printer fails to detect the media gap.

RIBBON OUT READY &

POWER LEDs

blink alternatively

The ribbon is not installed or ribbon is run out.

Load new ribbon to the printer.

SERIAL IO ERROR POWER The format or baud rate of the RS232

communication is inconsistent between the printer and

host.

CUTTER FAILURE POWER Cutter failed or paper jam at cutter.

MEMORY FULL POWER The printer memory buffer is full by the loaded soft

fonts, graphics or forms.

Check the format & size of these data with available

memory size or call for service

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CAUTION

The printer electronics are sensitive to static discharge.

Wear an anti-static wrist-band and attach it to the printer chassis

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8.2. Trouble Shooting< I. Media Error >

LED Indication Status Cause

READY LED is

synchronously blinking with

POWER LED

Media Error 1. Media out (No Media detected)

2. Media Jammed

3. Special Media. Need to Calibrate

4. Media Sensor might be out of order

Load a new

media roll

Remove the Stuck

or Jammed Media

Media Loaded

Correctly?

Turn Off Printer

Out of media?

No

Media stuck

or Jammed?

No

Reload Media

Is Media

Loaded Along the Paper Guides

?

Calibrate Media Sensor

Disable

Index

Detection

No

Using Continuous

Media?

Load the Media Along the

paper guides

No No

Yes

Yes

Yes

Yes Yes

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LED Indication Status CauseREADY LED is blinking

alternatively with POWER

LED

Ribbon Error 1. Ribbon out

2. Ribbon Stuck

3. Special Ribbon & Media. Need to

calibration.

4. Use face-in coating ribbon

5. Ribbon Sensor might be out of order

Turn OFF the printer

Out of ribbon

No

Ribbon

Stuck or use face-in

coating ribbon? or

Jammed?

No

Load a New

Ribbon roll

Remove the stuck

or Jammed Ribbon, or use

outside coating ribbon

Yes

Yes

Calibrate Ribbon Sensor

Still

OS 214 i 1 00 12 2009

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< III. RS232 Error >

LED Signal Status Cause

POWER LED blinking RS232 Error 1. The Settings for RS232 between Host &

Printer are not consistent

Restart system

Is baud-rate

consistent between PC &

Printer?

Yes

Yes

Set the same Baud

Rate in PC & Printer

No

No

No

Turn on Printer

then print again

Is Data Bit


Printer?

Is Parity bit


Printer?

Set the same Data

Bit in PC & Printer

Set the same Parity

Bit in PC & Printer

Yes

OS 214 l T h i l M l R 1 00 J 12 2009

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CAUTION

The printer electronics are susceptible to static discharge.

Wear an anti-static wrist-band and attach it to the printer chassis

There are some components need to be clean-up occasionally:

Thermal Print Head

The debris of thermal paper or ribbon may be remained on the surface of thermal print head.

This will cause the printed image (Characters, Bar Code) to appear lighter or faded. To

clean the print head, wet a soft paper towel with isopropyl rubbing alcohol and use the

damp towel to rub off the dirt on the print head surface. It is recommended to clean PrintHead before a new ribbon being loaded.

Platen Roller:

If the roller becomes contaminated with grit, label adhesive, or ink, the printing quality

may be adversely affected. To clean the roller, using a clean cloth and alcohol, wipe off any

accumulated residue.

Note:

Switch off the power before cleaning!

OS 214plus Technical Manual Rev 1 00 January 12 2009

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The printer electronics are susceptible to static discharge . Wear

an anti-static wrist and attach it to the printer chassis

TPH (thermal print head) replacement

1. Switch off the power and wait for both the LEDs to go off.

2. Open the top cover.3. Unlatch the print head module and swing it to the opposite.

4. Remove the ribbon.

5. Push the TPH firmly into the mounting bracket (see figure 11.4.1) then slide it to the

left to release it from the module (see figure 8.4.2 ).

6. Disconnect the TPH cable.

7. Disassemble the TPH and the metal plate by removing the screws.

8. Replace the TPH.

OS 214plus Technical Manual Rev 1 00 January 12 2009

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Figure 8.4.2

OS-214plus Technical Manual Rev 1 00 January 12 2009

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9. OPERATIONAL THEOREM

9.1. System Block Diagram

Main Board

Panel Board

Roller

CutterMedia

Dispenser

sensor

Ribbon

Sensor

Switching

DC Ada tor

Centronics

Figure 9.1 OS-214plus System Block Diagram

Thermal

Stepping

RS232

USB 2.0

Full-Speed


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OS 214plus Technical Manual Rev. 1.00 January 12, 2009

Ribbon Sensor:

A 2-layer PCBA consists of a reflective type object sensor designate for ribbon detection.

Media Sensor

A 2-layer PCBA, which consists of a reflective type object sensor designated for media/gap detection.

Thermal Print Head (TPH)

This Print Head is consisted of 832 heat elements (800 Ohm for each element) in the printing width of 4 inches.

Stepping Motor:

The motor for feeding label and ribbon is a stepping motor with bipolar winding & PM type. Its rotary angles

in one full step is 7.5 degree.

Dispenser Sensor (option)

A 2-layer PCBA, consists of a reflective type object sensor designated to verify if the printed label is removed.

Cutter Assembly (option)

Consisting of a DC motor, relay, gears and a rotary cutter. This cutter can cut the printed label automatically.


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p J y ,

9.2. Block Diagram of Main Control Board

MCU

RS-232 USBCentronics

BUFFER

FLAS

HROM

4MB

POWER24V, 5V, 3.3V,

1.5V

BUFFER, LATCH

SDRAM

8MB

Supp

erCardSlot

Exte

rnalFLASH

ROM4M

B,RTC

Sensor

PEELER,R

IBBON,

MEDIA

AnalogMultiplexe

rTM,24V,

TE

Motor

Driver

BUFFER

CutterDriver TPH

Key PadLED

BUFFER


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p y

Major Components on the Main Controller are:

Micro-Controller Unit (MCU)

SH7705 integrated with lots of on-chip peripherals, which are required to build a system like this Label Printer.

These rich on-chip Peripherals, including Timer, DMA controller, Interrupt Controller, SDRAM Controller, A/D

convert, Serial communication interface, Pattern generator and I/O ports, make the Electrical H/W for this printer

being compact and efficient.

FLASH ROM

4M bytes FLASH ROM is put on the main board to store the Firmware, character , bar code and fonts.

SDRAM

8M BYTES SDRAM is put on the Main Board. Normally the volatile data, like working buffers and Parameters,

are allocated here. The controlling signals for SDRAM are provided by the SDRAM controller built in SH-7705.

RS232 Buffer

To convert the serial port signal to/from micro-controller to RS232 voltage level.

CENTRONICS Interface

Data come from the Host (LPT Port On PC) are latched in (74374) then read out by the Micro-controller.

Key pads, LEDs


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Motor Driver

A3983 is stepping motor driver with a current limited controlled for OS-214plus. It has different control approach

with our old motor driver. Also has smaller package and advance process of semi conduction DMOS device for

heat-sink.

Extension Slot

This slot is designated for the connection of all optional extension modules. For example, RTC, Font and specified

function card.

Boot Selection DIP

DIP 5 to off for Normal Boot, boot from on-board ROM.

DIP 5 to on for External Boot, boot from extension-board ROM.


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9.3. Wiring Diagram

Main Board

DC24V

InputMedia

sensor

TPH

Ribbon

sensor

Panel

MOTOR

Dispenser sensor

J7 J9J6J11P1

J13

J8J12

Cutter


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10. RECOMMENDED SPARE PARTS

part number description

55-21401-001 OS-214plus Main board

23-80004-002 OS-214plus Thermal print head


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