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Simulated workplace
Scenario · Press Room

Troubleshoot colour drift on digital press 1

You are a digital press operator.

Intermediate2 to 3 hours7 tasks
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The situation

What has happened

Digital press 1 is producing cookbook sample pages that are visibly warmer than the approved proof, with magenta running high. The press has just had a black toner change, the room temperature has risen with the afternoon sun and the last linearisation recorded in the Machine Maintenance Log was three weeks ago. A 3,000 copy cookbook reprint is due to start on the press tomorrow and Tom Ngata needs the fault understood and either fixed or escalated today. The colour management procedure, the press manual and the retained proof are available.

Your brief. Work through a structured troubleshooting process to find the cause of the colour drift, correct it by calibration or consumable change if possible, verify the result against the target chart and proof, and record every step in the maintenance log and on the ticket.
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Tasks

Deliverables

  • Troubleshooting record with causes ruled in and out
  • Before and after colour measurements
  • Machine Maintenance Log entry
  • Job ticket note on the sample comparison

Documents to use

Systems to use

Machine Maintenance Log

The record of scheduled maintenance, faults, tag outs and repairs for presses, finishing machines, wide format devices and forklifts.

Paper and Consumables Stock

The stock record for paper, board, substrates, inks and consumables held in the warehouse and the Geelong studio.

Job Ticket Register

The live list of quotes and jobs with their specification, stage and due date, shared by every department.

For trainers and assessors

Units of competency

Current on training.gov.au for the Printing and Graphic Arts as at 10 September 2026.

ICPPRN3860Troubleshoot digital media
ICPPRN3870Use colour management for production
ICPSUP2820Undertake basic machine maintenance
ICPPRN3820Produce and manage complex digital print

Qualifications

ICP31220Certificate III in Printing
Assessor notes

What to look for

Evidence guide

The student must show a systematic approach rather than immediately recalibrating: readings before and after, consumables and environment checked and documented, and a clear statement of the cause. The maintenance log entry must be complete enough for another operator to follow. Verification against both the target chart and the approved proof is required.

The student's evidence summary lists every record they created or changed in the systems named above, their notes and the tasks they ticked. Verify it against the deliverables and your own assessment tool.