To complete the unit requirements safely and effectively, the individual must:
identify WHS concerns when operating the reel transportation system
explain what can cause the reel to wander
explain what can cause the web to break at the unwind unit
describe the difference between a ‘lying paster’ and ‘zero speed’ type reel-stand
list print faults that can result from the reel being run out of centre
outline possible faults in the unwind section that can cause a web break
identify WHS concerns of operating the sheet transportation system
describe the result of worn suckers at the feeder suction head
describe sheet detection types on this machine
describe the amount of movement the sheet should have when being registered by the side lay
explain what causes a miss-register of the sheet at the feeder
outline visible signs of the sheet being registered in the feeder
explain how gripper malfunction can affect sheet control and transfer
describe when sheet transfer mechanisms require adjusting
outline what can cause the feeder stack to become uneven
describe the result of the feeder stack being loaded unevenly
explain how unevenness of the feeder stack can be rectified
identify WHS risks associated with rewinding and sheeting
describe a safety feature in the delivery system for when the web jams up
explain why a sheet cut-off might wander
outline the effect of poorly adjusted nip rollers when rewinding and sheeting
describe further operations required for printed reels on removal from the printing machine
explain how the printed job should be stored after removal from the printing machine
explain the need to label each printed reel
outline the effect machine speed has on sheet delivery
explain the advantage of spraying moving sheets with anti-set off powder in delivery
identify items in delivery that cause marking of the printed image
describe remedial steps to eliminate marking of the printed image
describe the function of a sheet de-curler fitted to the delivery of some machines
provide a list of faults from incorrectly set grippers in the transfer section of a machine
describe what can happen if the plate develops a crack at the grip edge during a print run
outline the effect of a sticky blanket surface
list print faults from the blanket not being tensioned correctly
explain the cause of blanket packing creep during printing
describe the effect of ink build-up on the impression cylinder on the printed product
explain what can cause ink to lie back in the duct
explain what can cause ink stripping on the inking rollers
describe print faults that result from excessive use of fountain solution on the plate
demonstrate knowledge of the recommended pH range for fountain solutions
explain what can cause conductivity of the fountain solution to change over an eight-hour shift
identify problems that can be caused by excessive conductivity of the fountain solutions
explain risks of eating or drinking near the machine when using UV inks
describe link between driers and set off and marking
explain what causes UV ink to dry
explain what can cause the substrate to blister
outline the effect in the chillers if the drying temperature is too low
describe the effect of incorrect drying temperature on the finished product
describe the effect of inadequate communication within the work team on a lithographic printing machine
identify safety features within the organisation that aid in maintaining effective production
outline the ramifications if machine guards are removed and/or micro switches are disconnected on a machine
identify who is held legally responsible for removal of machine guards and/or disconnection of micro switches
describe the disadvantage of using a closed looped system for automatic control of the printed product
list alternative measurement, besides optimum solid ink density, to assess print quality
explain the most accurate method of checking register during a production run
explain the need to take immediate action when production problems are anticipated
outline what to do to eliminate further processing of unacceptable printed product
explain how a stack of paper is affected if the relative humidity is increased in the press room
explain the procedure to care for a newly delivered skid of paper to the press room
explain why waste should be sorted
list advantages of keeping reusable waste
list industry standards to enhance effective communication with clients
describe the necessary procedures clients should follow to approve a printed product
outline when to call service personnel to correct a machine problem
describe enterprise procedures in place to report any machine operating problems
outline the result if correct shutdown procedures are not followed
explain the need for correct shutdown procedures conducted with fellow workers
describe the advantages of proper labelling and storage of excess inks and materials
explain the use of completed records in final analysis of the job
outline the benefits of comprehensive records when considering production of future jobs
locate machine manuals, safety and other documentation relevant to this task, and outline included information.