kiểm tra hệ thống in offset

Preventive Maintenance

Inspect ink rollers for wear and tear

Check tension on paper feed rollers

Verify proper lubrication of moving parts

Check and clean ink fountains and ductor rollers

Inspect and clean blanket cylinders

Monitor and adjust water balance in dampening system

Inspect and clean impression cylinders

Check and adjust register settings

Inspect and clean plate cylinders

Monitor and replace worn or damaged parts as needed

Ink System

Check ink levels in ink fountains

Inspect ink ducts for cleanliness

Ensure proper ink viscosity and color consistency

Monitor ink temperature to ensure it is within the recommended range

Check for any ink leaks or spills in the ink system

Verify that the correct ink type is being used for the job

Conduct regular checks on ink agitators to ensure proper mixing of the ink

Clean and maintain ink rollers to prevent any buildup or contamination

Printing Press Calibration

Verify correct pressure settings on impression cylinders

Check blanket and plate cylinder alignment

Ensure proper tension on paper feed

Conduct ink density tests on printed samples to ensure consistency

Verify proper registration of colors on printed samples

Check and adjust fountain roller settings for even ink distribution

Calibrate ink fountain settings for accurate color reproduction

Verify proper roller settings for consistent ink transfer

Color Management

Calibrate color profiles on printing press

Check color density and dot gain

Perform color matching with approved color swatches

Ink Transfer

Inspect ink transfer rollers for proper ink distribution

Verify ink key settings for consistent ink coverage

Check for any ink smudging or ghosting issues

Quality Control

Inspect printed samples for color accuracy and registration

Check for any print defects such as banding or streaking

Ensure final print quality meets industry standards

Cleaning and Maintenance

Clean ink rollers and blankets regularly

Inspect and clean impression cylinders

Check for any buildup of paper dust or debris

Documentation and Reporting

Record maintenance activities and ink usage

Document any issues or concerns with printing press

Prepare maintenance reports for management review