4-104 Printer Service Manual
5057-XXX
16. Remove the CMYK toner add motor assembly (A).
CMYK transfer HVPS card assembly removal
1. Remove the rear cover assembly. See “Rear cover assembly removal” on page 4-5.
2. Remove the rear upper cooling fan bracket assembly. See “Rear upper cooling fan bracket assembly removal”
on page 4-111.
3. Remove the rear left middle cover. See “Rear left middle cover removal” on page 4-6.
4. Remove the developer / transfer roll HVPS card assembly. See “Developer / transfer roll HVPS card assembly
removal” on page 4-112.
5. Remove the 24V LVPS card bracket assembly. See “24V LVPS card bracket assembly removal” on page 4-96.
6. Disconnect the two connectors from the CMYK transfer HVPS card assembly (A).
7. Disconnect the four faston connectors from the CMYK transfer HVPS card assembly (A).
8. Remove the two screws securing the CMYK transfer HVPS card assembly (A) to the machine.
9. Remove the CMYK transfer HVPS card assembly (A).
Printhead assembly removal
Warning: When removing the printhead assembly, be careful not to drop it, or damage will occur.
Warning: Always perform color registration adjustment when reinstalling the printhead, NVM initialization, or
developer interlock plate assembly.
1. Detach the finisher if equipped. Refer to the MFP or the Printer Finisher Service Manual.