Avery Berkel CX20 SERIES, Service Manual

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20 — Label and Receipt Printer
20–7 CX20/CX30/CX34 Service Manual
20.3.3 Removing the printer (CX34)
To remove printer complete with unit spine, proceed as follows:
1 Switch off machine and isolate it from the mains power supply.
2 Remove front housing (refer to Section 3).
3 Disconnect the following electrical connections on main PCB:
PL3, printer data supply
PL7, printer motor supply
PL16, microswitch
4 Ease free end of electrical looms and cables through hole in chassis (to
printer side).
5 Remove printer and unit spine by removing two bolts, shakeproof
washers and plain washers securing spine to chassis.
20.3.4 Fitting the printer (CX34)
To fit printer complete with unit spine, proceed as follows:
1 Fit printer and unit spine to chassis by fitting two bolts, shakeproof
washers and plain washers.
2 Carefully ease free end of electrical looms and cables through hole in
chassis (to main PCB side).
3 Connect following electrical connections on main PCB and ensure a
natural positioning of all cables without mechanical strain:
PL3, printer data supply
PL7, printer motor supply
PL16, microswitch
4 Fit front housing (refer to Section 3).
20.3.5 Cleaning the print head
To clean the print head use the special cleaning kit (see Parts List for Part
Number of kit) and carefully follow the instructions provided with the kit.
20.3.6 Changing the take–up motor
To change the take–up motor, proceed as follows:
1 Remove printer as detailed in Sections 20.3.1 and 20.3.3, as
appropriate.
2 Remove drive cone by removing Posidrive screw and shakeproof
washer set within bore of drive cone.
3 Disconnect take–up motor loom at the interconnection.
4 Remove take–up motor/gearbox by removing three sets of Posidrive
screws and shakeproof washers from stand–off pillars.