ProcedureElectronicsReplacement/FRUReplacement
Replace the safety switch
Swap the DryStar 5300's Safety switch (spare part CM+343354.X) by working through the Top cover, the Hold-down bracket, and the Thermal print head (TPH) unit to reach it behind the TPH cooling fan.
Applies to
Drystar 5300, Type 5365/100 (source Chapter 3.5, Repair and Service: Replacement of Parts, Edition 1, Revision 7, 2005-08-05) — replacement procedure for the Safety switch, spare part CM+343354.X, reached behind the Hold-down bracket and the Thermal print head unit.
Personnel
1 technician · Basic-to-intermediate field-service skill — open two hinged access panels, remove and refit 2 screws (A) on the TPH cooling fan, unplug and replug 2 connectors, and snap-fit the replacement switch into the square hole. No calibration, software step, or special test equipment is involved.
Steps
17 steps
Source
DD+DIS270.05E — Drystar 5300, Repair and Service: Replacement of Parts, Chapter 3.5/24-28 (document p.298-302), Edition 1, Revision 7 (2005-08-05)
Tools & parts
| Item | Part number | Qty |
|---|---|---|
| Safety switch | CM+343354.X | 1 |
| Crosshead screwdriver | — | 1 |
Full step-by-step for Replace the safety switch
All 17 steps are documented in the FSELIB DryStar 5300 service manual — re-authored, web-first, with the real figures from the source.
Open the full procedureRelated Electronics guides
Replace the compact flash card0 stepsReplace the keypad & display module0 stepsReplace the main board cooling fan18 stepsReplace the main board (VILIS - Themis)20 stepsReplace the OSB switch board12 stepsReplace the power supply16 steps
View all DryStar 5300 guidesSource: DD+DIS270.05E — Drystar 5300, Repair and Service: Replacement of Parts, Chapter 3.5/24-28 (document p.298-302), Edition 1, Revision 7 (2005-08-05). Preview re-authored by FSELIB — the full procedure with figures and steps is in the paid service manual.