4-46 Service Manual
7558-xxx
Developer carrier removal and replacement
Note: The following procedure can be applied to the C, M, Y, and K developer carriers.
Warning: Always perform the sensor (ATC sensor) setup and adjustment if required or print quality
problems may occur. Go to “Sensor (ATC) setup” on page 4-457.
1. Remove the appropriate developer housing. See “Developer housing (C) removal” on page 4-49,
“Developer housing (M) removal” on page 4-61, “Developer housing (Y) removal” on page 4-67, or
“Developer housing (K) removal” on page 4-55.
2. Remove the printer front door. See “Printer front door removal” on page 4-13.
3. Remove the transfer belt cleaner. See “Transfer belt cleaner removal” on page 4-178.
4. Remove the waste toner box.
5. Remove the four photoconductor units.
6. Remove the four toner supplies.
Note: When removing the toner supply cartridges, ensure that all toner spillage and contamination is
completely removed using an approved toner vacuum.
7. Remove the operator panel left cover. See “Operator panel left cover removal” on page 4-10.
8. Remove the operator panel right cover. See “Operator panel right cover removal” on page 4-11.
9. Remove the operator panel front cover. See “Operator panel front cover (MFP) removal” on page 4-8.
10. Remove the printhead retract door. See “Printhead retract door removal” on page 4-145.
11. Remove the inner cover. See “Inner cover removal” on page 4-4.
12. Remove the inner plate. See “Inner plate removal” on page 4-98.
13. Using a prying tool, gently release the two hooks securing the top cover (A) to the assembly.