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Troubleshooting and Error Treatment

5.1

Failure of Device Functions

Functional error

Possible remedy

Medium is not transported

Check electrical connections between PCB CPU and motor

Check drive mechanism

Replace the PCB CPU

Replace the motor

No print image with medium
transport

Check plug connections at the printhead

Examine printhead cable for damage and replace if necessary

Replace the printhead

Replace the PCB CPU

Display and navigator pad are
not functioning

Check whether LED1 (green) is illuminating on the PCB CPU



Fig. 29 on page 32:

LED1 is not illuminating: The power supply unit or CPU PCB is defective.
Replace PCB CPU or Power supply unit.

LED1 flashes: Firmware update unsuccessful.

Reload the firmware



Configuration Manual

•

Check cable connection between PCB CPU and control panel

Check whether the correct voltages are active at the 3,3 V and 5 V measurement
points on the PCB CPU



Fig. 30 on page 33

No voltage at either measurement point: The power supply unit may be
defective. Replace the power supply unit

No voltage at one measurement point: The PCB CPU may be defective.
Replace the PCB CPU.

•

Replace LCD Display cpl.

Replace PCB Navi Button assem.

The display is not functioning,
but the navigator pad is
functioning

Replace LCD Display cpl.

The navigator pad is not
functioning, but the display is
functioning

Check the cable connection between LCD Display cpl. and PCB Navi Button
assem. and replace if necessary

Replace PCB Navi Button assem.

Replace LCD Display cpl.

Communication via an interface
is not functioning

Check whether the interface configurations of the printer and computer match

For an Ethernet connection, check the validity of the IP address and the subnet
mask

Check the interface cable and replace it if necessary

If all functionality of the interface has been lost, replace the PCB CPU

A peripheral device is not
functioning

Check whether the peripheral device is activated via programming

Check the USB cable of the peripheral device and replace it if necessary

Check the peripheral device

Replace the PCB CPU

Table 3

Failure of device functions

Содержание A Series

Страница 1: ...Service Manual A The Premium Class Label Printer...

Страница 2: ...the constant further development of our products discrep ancies between documentation and product can occur Please check www cabgmbh com for the latest update Terms and conditions Deliveries and perf...

Страница 3: ...g the Label Sensor 15 3 6 1 Replacing Standard Label Sensor A 15 3 6 2 Replacing Label Sensor A4 M 16 3 7 Replacing the PCB CPU 17 3 8 Replacing the Power Supply Unit 18 4 Adjustments 19 4 1 Measuring...

Страница 4: ...ct with the device Do not wear clothing with metal parts Do not wear jewelry Do not wear spectacles with metal frames Warning Items of clothing drawn into the device by moving parts can lead to injuri...

Страница 5: ...circuits in the device Test the zero potential of the device parts Check the working area for possible sources of danger such as wet floors defective extension cables defective protective conductor c...

Страница 6: ...de the label sensor assembly onto the tab 5 toward the rear cover until it stops Unplug the cable 2 from the plug on the rear end of the label sensor 1 Press the latch 6 and slowly pull label sensor o...

Страница 7: ...e guide profile toward the chassis Slide out the label sensor assembly 2 toward the back side cover Clean label sensor and sensor units 2 with brush or cotton swab soaked in pure alcohol Push label se...

Страница 8: ...er Attention The plastic cover can be damaged via careless handling Do not use force Do not twist the plastic cover when removing it or pressing it on Fig 3 Removing and installing the plastic cover R...

Страница 9: ...3 Plug connection 4 Screw 5 Printing line 6 Pins 7 Printhead Fig 4 Structure of the printhead A2 A4 A4 3 A4 M Attention The printhead 7 is adjusted on a head plate 1 and precisely aligned at the fact...

Страница 10: ...bracket 9 in such a way that the pins 6 are secured in the corre sponding holes in the printhead mounting bracket 9 Lightly keep printhead mounting bracket 9 on the print roller with one finger and ch...

Страница 11: ...sen both plug connections 2 3 on the printhead 10 7 10 11 6 11 6 Fig 8 Installing the printhead A6 A8 Installing the printhead Attach plug connections 2 3 Swing the adjustment elements 11 sidewards to...

Страница 12: ...jaw wrench Remove side plate 2 1 2 3 4 5 6 Fig 9 Removing the side plate 7 8 9 10 1 Removing and installing rollers Pull print roller 7 and rewind assist roller 8 from the shafts 9 10 on the housing...

Страница 13: ...g 11 Slipping clutches Danger Risk of death via electric shock Before opening the housing cover disconnect the device from the mains supply and wait at lease one minute until the power supply unit has...

Страница 14: ...ard the cover side as far as possible and install the rear cover of the printer Installing the brake on the transfer ribbon supply hub 12 7 11 9 4 10 4 Snap ring 7 Winder axis 9 Brake 10 Lever 11 Pin...

Страница 15: ...the cable 2 from the plug on the rear end of the label sensor 1 Unscrew the screws 5 with an Allen key and remove the side plate 7 Pull out the label sensor 1 via the tab 4 toward the cover side At A6...

Страница 16: ...o the guide profile toward the chassis Slide out the label sensor assembly 2 toward the back side cover Installing the label sensor Push label sensor back toward the print head side of printer so you...

Страница 17: ...6 7 8 Fig 16 Removing the PCB CPU 4 5 6 7 8 9 10 Fig 17 Used connectors on the PCB CPU 4 Control panel 5 Peripheral port 6 Sensors 7 Printhead signals 8 Printhead power supply 9 Power supply unit 10 S...

Страница 18: ...lug the plug at the power supply unit output 1 Remove the two screws on the back of the printer 7 Hold the power supply unit firmly at the metal bracket 4 and remove the two screws 2 Remove the power...

Страница 19: ...ns The measured clockwise torque is the sum of the coupling torque and the torque of the brake Only the torque of the brake is measured when the winding axis is rotating counter clockwise For this rea...

Страница 20: ...e power supply unit has discharged Unplug the printer from the electrical outlet Remove the rear cover Remove the transfer ribbon from the printer Attach the test collar 3 to the winder 4 Turn the knu...

Страница 21: ...e device from the mains supply and wait at lease one minute until the power supply unit has discharged 3 1 2 4 Unplug the printer from the electrical outlet Remove the rear cover Remove the label medi...

Страница 22: ...unit has discharged 2 1 Unplug the printer from the electrical outlet Remove the rear cover Press the knurled ring 1 of the slipping clutch toward the housing wall The lock 2 of the knurled ring is r...

Страница 23: ...mechanism comprises the following procedures in the order specified Prepare the label printer for adjustment 4 2 1 on page 21 Adjust the position of the printhead 4 2 2 on page 24 Adjust the printhead...

Страница 24: ...at A6 A8 at the slides 5 If the printhead is not aligned properly loosen the screw 3 about one quarter turn If the printhead is not aligned properly use the screws 2 to align at A2 A4 A4 3 the lines o...

Страница 25: ...barely recognizable Under these conditions inaccuracies become clearly visible during adjustment Create print samples with the test function Test grid Configuration Manual or a similar print pattern...

Страница 26: ...roll is from the disk of the supply hub If the ribbon runs inward or outward turn the corre sponding screw 3a or 3b clockwise in small increments Wait until the ribbon feed path has stabilized after e...

Страница 27: ...ub against the label sensor during printing which would damage the belt Tension the toothed belt in such a way that it cannot rub against the label sensor 3 4 2 1 Unplug the printer from the electrica...

Страница 28: ...e power supply unit has discharged 1 2 3 2 3 Unplug the printer from the electrical outlet Remove the rear cover Lock printhead Slightly loosen the fixing screws 3 of the head switch 2 Move the head s...

Страница 29: ...surement point The power supply unit may be defective Replace the power supply unit No voltage at one measurement point The PCB CPU may be defective Replace the PCB CPU Replace LCD Display cpl Replace...

Страница 30: ...age too low Replace the power supply unit Voltage is correct Replace the PCB CPU 24 V 24 V too low Check voltage at measurement point 24V Fig 30 on page 33 Voltage too low Replace the power supply uni...

Страница 31: ...98 5954090 300M 5954072 5954067 5954066 5946208 5954099 5958670 600 600P 5954077 5954067 5954066 5946208 5954098 5954090 600M 5954077 5954067 5954066 5946208 5954099 5958670 A4 3 200 200P 5954085 5954...

Страница 32: ...32 32 7 Layout Diagram PCB CPU Fig 29 Layout diagram PCB CPU components side...

Страница 33: ...33 7 Layout Diagram PCB CPU Fig 30 Layout diagram PCB CPU soldering side...

Страница 34: ...que 21 L Label sensor cleaning 6 7 replacement 15 Layout diagram PCB CPU 32 M Maintenance work 5 P Printhead replacing 9 Procedure in case of accidents 5 Protective devices 4 Pulling force 19 21 R Rem...

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