Star Micronics TUP900 Series Manual de usuario

THERMAL PRINTER

TUP900 SERIES

TECHNICAL MANUAL

[SECONDEDITION]

INTRODUCTION

This manual describes the thermal printer TUP900 series.

Itisdesignedforuseasareferenceforperiodicinspectionsandmaintenanceprocedurestobeexecuted

by service personnel. It is not intended for the general user. Users of this manual should have a basic

knowledge and understanding of the English language.

•This manual is divided into the following sections:

Chapter 1 Adjustments

Chapter 2 Maintenance and Lubrication

Chapter 3 Parts List

•First edition : Apr. 2003 TUP992 only

Second edition : Sep. 2003 Add TUP942

NOTICE

•Allrightsreserved.Reproductionofanypartofthismanualinanyformwhatsoever,

without STAR’s express permission is forbidden.

•The contents of this manual are subject to change without notice.

•All efforts have been made to ensure the accuracy of the contents of this manual at

the time of going to press. However, should any errors be detected, STAR would

greatly appreciate being informed of them.

•The above notwithstanding, STAR can assume no responsibility for any errors in

this manual.

CHAPTER 1

ADJUSTMENTS

This printer has undergone various adjustments so that it will attain a given standard of performance.

In this chapter, a brief explanation is given of the methods for making adjustments.

Follow the instructions when performing maintenance inspections or when replacing parts to correct

malfunctions.

1. Adjustment of the Paper End & Black Mark Sensor............................. 2

2. Adjustment of the Paper Near End Sensor ........................................... 3

– 2 –

LED1 LED2

Screw

Board chassis

VR1

DIP Switch DSW1

1. Adjustment of the Paper End & Black Mark Sensor

1. Turn the printer off and unplug the power cord.

2. Remove the screws. Then, remove the board chassis.

Fig. 1-1 Adjustment Volume

Fig. 1-2 Control Panel

–3 –

Screw

Board chassis

VR6

DIP Switch DSW1

3. Since it is adjusted by rotating the volume VR1, check the position of the volume. Prepare a small slotted

screwdriver.

4. Set the paper not for black mark.

5. Use the tip of a thin object to turn off the DIP switch DSW 1-4.

6. Turn the power on.

7. Rotatethe volume VR1 using microscrewdriver, to adjust it toa position whereat both theLED1 (green LED) and

the LED2 (red LED) lamps light.

8. Turn the power OFF.

9. Turn the DIP switch DSW 1-4 to its original setting of ON.

This completes the paper end & black mark sensor adjustment.

2. Adjustment of the Paper Near End Sensor

1. Turn the printer off and unplug the power cord.

2. Remove the screws. Then, remove the board chassis.

Fig. 1-3 Adjustment Volume

–4 –

LED1 LED2

SW2

3. Since it is adjusted by rotating the volume VR6, check the position of the volume. Prepare a small slotted

screwdriver.

4. Set the roll paper.

5. Use the tip of a thin object to turn off the DIP switch DSW 1-4.

6. Press the SW2 switch on the control panel while turning the power switch ON.

7. Rotate the volume VR6 using micro screwdriver, to adjust it to a position whereat both the LED1(green LED) and

the LED2 (red LED) lamps light.

8. When the position where both LEDs for LED1/LED2 light cannnot be found by adjusting VR6, Adjust VR6 to the

position where the LED2 lights and LED1 extinguishes.

9. Turn the power OFF.

.Turn the DIP switch DSW1-4 to its original setting of ON.

This completes the paper near end sensor adjustment.

Fig. 1-4 Control Panel

–5 –

CHAPTER 2

MAINTENANCE AND LUBRICATION

1. Maintenance ............................................................................................. 6

1-1. Cleaning the Thermal Head and Platen............................................................... 6

1-2. Handling Paper Jams............................................................................................ 6

1-3. How to Release the Cutter Lock .......................................................................... 7

2. Lubrication ............................................................................................... 8

2-1. Lubricant ................................................................................................................ 8

2-2. Lubricating Method ............................................................................................... 8

2-3. Lubricated Areas ................................................................................................... 8

– 6 –

1. Maintenance

In order to maintain the optimum performance of this printer and to prevent trouble, maintenance must be carried out

according to the following items.

1-1. Cleaning the Thermal Head and Platen

To ensure long-term and stable printing, periodically clean the thermal head and the platen. It is recommended

that you clean every 500,000 lines.

The thermal head and platen can be cleaned by opening the platen unit with the release lever.

•To clean the thermal head heating elements, wipe with a cotton swab dampened with an alcohol based cleaner

(such as ethanol or methanol). Also, do not apply excessive force when doing so. Wipe the heating elements

gently. After cleaning, check that the alcohol has completely evaporated before closing the platen unit.

•Use a soft, dry cotton swab to clean the platen. Wipe away the dirt while rotating the platen.

Also, complete wipe away all of the paper dust on the rubber platen. If the cleaning is incomplete, there may

be problems in paper feeds.

1-2. Handling Paper Jams

If recording paper should become jammed, open the platen unit and remove the jammed paper.

Never pull on the jammed paper unnecessary while the printer unit is closed because this can damage the drive

system parts.

Fig. 2-1 shows the locations to operate (levers/knob) when paper becomes jammed. Remove jammed paper

according to the following procedures.

Procedure 1. Remove the right and left lock levers.

2. Open the platen unit (including the presenter unit) using the release lever.

3. Rotate the knob to remove the jammed paper.

4. Close the platen unit (including the presenter unit) and lock the left and right lock levers.

Procedure 1. Open the platen unit using the release lever.

2. Rotate the knob to remove the jammed paper.

3. Close the platen unit. Check that it has been completely closed at this time.

Notes 1) Whenremovingthejammedpaper,nevermoveyouhandsnearthetearbarortheauto-cutterbecauseitisvery

dangerous. Also, when opening or closing the rotating portions, be careful not to get your hands or fingers

caught.

2) Whenlocking the cutter blades, do not forcefullyrotate the platen unit (or the presenterunit) because this can

be the cause of machine failure.

See the following pages for releasing the cutter lock and opening the platen unit.

3) Fig.2-1 is aconceptual view of amodel equipped witha presenter. On modelsnot equipped with apresenter,

operate only the release lever to open the platen unit.

–7 –

1-3. How to Release the Cutter Lock

Use the following procedures to release the auto-cutter lock if trouble occurs, such as when paper becomes chewed.

Procedure 1. Turn the apparatus power off.

2. Rotatetheemergencyknobsinthedirectionofthearrowsonthetopoftheauto-cutterunitcasetoreturn

the cutter blades to their home position.

The emergency knob should be rotated using a tweezers, screwdriver or ball-point pen to prevent

accidents.

Lock lever

Knob Release lever

Fig. 2-1 Handling Paper Jams

–8 –

2. Lubrication

Lubrication is very important to maintain optimum performance and to prevent trouble.

2-1. Lubricant

The type of lubricant greatly affects the performance and durability of the printer, especially in a low temperature

environment. We recommend use of the grease listed below for this printer.

Type of oil Product name Maker

Grease Molykote EM-30L Dow Corning Corporation

2-2. Lubricating Method

When lubrication is carried out in assembly and disassembly, wash parts well to remove dust and dirt before lubrication.

Lubrication must be carried out regularly once every 6 months or after 1 million lines have been printed. Lubrication is

necessary irrespective of the regular lubrication whenever lubricant becomes deficient after cleaning or whenever parts

have been disassembled or replaced.

2-3. Lubricated Areas

NO. Lubricating Point Grease/Oil

1Rubbing surfaces of Lock shaft and Platen holder EM-30L

2Rubbing surfaces of Lock shaft and Base Frame Unit EM-30L

3Rubbing surfaces of Platen Pivot and Base Frame Unit EM-30L

4Rubbing surfaces of Gear and Gear EM-30L

5Rubbing surfaces of Gear and Shaft EM-30L

6Rubbing surfaces of Shaft and Holder roller EM-30L

7Rubbing surfaces of PF roller bearing and Shaft EM-30L

8Rubbing surfaces of Rear guide and Paper holder EM-30L

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