4-84 MFP Service Manual
7500-432, -632, and -832
Switch (PC cartridge interlock) removal
1. Remove the printer front left cover. See “Printer front left cover removal” on page 4-3.
2. Remove the top cover assembly. See “Top cover assembly removal” on page 4-5.
3. Remove the PC cartridge.
4. Remove the toner cartridge.
5. Remove the printer front door assembly. See “Printer front door assembly removal” on page 4-6.
6. Remove the front inner cover. See “Front inner cover removal” on page 4-8.
7. Remove the HVPS card assembly. See “High voltage power supply (HVPS) card removal” on
page 4-115.
8. Remove the toner cartridge guide assembly. See “Toner cartridge guide assembly removal” on
page 4-95.
9. Remove the rear lower cover. See “Rear lower cover removal” on page 4-12.
10. Disconnect the two connectors P403 and P404 from the printer engine card assembly (A).
11. Open the printer left door assembly.
12. Remove the registration roll assembly. See “Registration roll assembly removal” on page 4-79.
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