Heidelberg SM 74 Yellow Oscillating Ink Form Roller New Style (Exchange)

Heidelberg SM 74 Yellow Oscillating Ink Form Roller New Style

The Heidelberg SM 74 has one (1) Yellow Oscillating Ink form per unit.

Part number: M4.009.231F

SM 74, 2/C, 4/C, 5/C & 6/C SERIAL # 627.456 AND AFTER

PM 74, 2/C, 4/C, 5/C & 6/C SERIAL # PM740 915 AND AFTER

Exchange Roller – Return core within 30 days to avoid additional charges.

The Yellow Oscillating Ink Form Roller on the Heidelberg SM 74 performs a dual function in the ink train — as a form roller it contacts the printing plate directly to transfer ink, and as an oscillating roller it moves laterally to spread the ink film evenly across the full roller width. This combined action is essential for both proper ink transfer to the plate and uniform lateral ink distribution throughout the SM 74 ink system, preventing ink stripes, ghosting, and uneven ink density across the press sheet.

When the Yellow Oscillating Ink Form Roller wears, hardens, or glazes over time, ink transfer to the plate becomes inconsistent, leading to low ink density, mottle, and difficulty achieving solid, even ink coverage. A worn oscillating covering also reduces lateral ink spreading effectiveness, which can compound ink density variations. Replacing a worn roller with a precision-recovered New Style unit restores accurate ink application and even lateral distribution on your SM 74, reducing waste and improving print quality.

Supplied as an exchange unit — return your worn core within 30 days to avoid additional charges. All rollers are precision-ground and recovered to OEM specifications for a drop-in fit with no press modification required.

Compatible Press: Heidelberg SM 74
Part Number: M4.009.231F-1
Version: New Style
Program: Exchange (return core within 30 days)
Condition: Reground and recovered to OEM spec