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Service Manual

A+

The Premium Class.

Label Printer

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Summary of Contents for A Series

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

Page 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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