Feed idle gear and drive sprocket timing marks aligned on a straight line

Noritsu V50 (QSF) — Adjusting the Pitch of the Processing Rack

Adjusting the pitch of the processing rack When to use this: only if you removed the drive sprocket or feed idle gear from their shafts inside a processing rack (CD/BL/FIX/STB) — not needed if you only removed/reinstalled the whole rack, and not needed if you only replaced a GUIDE, FILM part without taking a gear off its shaft. Source: Noritsu QSF service manual, §2101 “Rack Unit — Adjusting the Pitch of the Processing Rack” (V30/V50/V100), p. 71 ...

September 14, 2026 · 3 min · NordicLab
Both GUIDE, FILM (A239395-01) parts, close-up, seated in their plastic comb holder

Noritsu V50 (QSF) — Replacing the GUIDE, FILM Part in Rack 1 (CD)

Replacing the GUIDE, FILM part in Rack 1 (CD) Part name: GUIDE, FILM Part number: A239395-01 (there are two identical ones per rack) Where it’s used: Rack 1 (CD), mounted in the plastic comb/holder C102717-01 Source: Noritsu QSF parts list, section 19 “RACK (No.1)”, p. 53 This is the small plastic “fork” piece with two prongs that clips into the rack. 1. Where it sits in the rack The circled area below is the section of Rack 1 where this part lives — a comb-shaped plastic holder mounted between two roller/gear pairs, roughly in the middle length of the rack. ...

September 13, 2026 · 5 min · NordicLab
Removing the Noritsu V50 processing rack and squeegee rack from the tank

Noritsu V50 (QSF) — Rack 1 (CD) Disassembly: Stuck Leader Card

Disassembly and Maintenance of Rack 1 (CD) — Removing a Stuck Leader Card + Processing Rack Cleaning Procedure Equipment: Noritsu V50 (QSF-V30/V50/V100 family, negative color film processor) Unit: Rack 1 = CD rack (Color Developer) — the first and longest rack in the developer section chain Situation: a leader card is stuck in the middle of the rack, the rack is still sitting in the tank with working CD solution Sources: Noritsu QSF maintenance manual (§2.2, §8.2), QSF service manual, QSF installation manual, QSF operator’s manual (Basic) ...

September 11, 2026 · 8 min · NordicLab