Introduction
This chapter documents removal and replacement of field replaceable units (FRUs) only.Removal and replacement strategy
Replace parts in the reverse order of their removal. Directions for difficult or critical replacement procedures are included.
/^ WARNING! The sheet-metal edges of the product can be sharp. Use caution when working on the product.
NOTE: Note the length, diameter, color, type, and location of each screw. Be sure to return each screw to its original location during reassembly.
Incorrectly routed or loose wire harnesses can interfere with other internal components and can become damaged or broken. Frayed or pinched harness wires can be difficult to locate. When replacing wire harnesses, always use the provided wire loops, lance points, or wire-harness guides.
Electrostatic discharge
/ CAUTION: The product contains parts that are sensitive to electrostatic discharge (ESD). Always service the product at an ESD-protected workstation, or use an ESD mat.
Watch for the ESD symbol to identify the parts that are sensitive to ESD. Protect these parts by using an ESD wrist strap and by placing ESD-sensitive parts into protective ESD pouches.
Required tools
The following tools are needed to service this product:
• #2 Phillips screwdriver with magnetic tip
Small flat-blade screwdriver
Small needle-nose pliers
• ESD mat
Penlight
CAUTION: A pozidrive screwdriver can damage the screw heads on the product. Use a #2 Phillips screwdriver.
If you use a multispeed screwdriver, use a torque limiter.
Before performing service
Follow the pre-service procedures before you perform service.Pre-service procedures
1. Remove all media from the product.
Place the product on an ESD mat. If an ESD mat or an ESD-protected workstation is not available, discharge body static and ground the product chassis before servicing the product.
3. Remove the print cartridge.
Unplug the power cord and the interface cable. 5. Lift the printer off optional tray 3 (if tray 3 is installed).
Parts removal order
Use the following diagram to determine which parts must be removed before removing other parts.
Left-side cover — Formatter
— Right-side cover
-Back cover
Top cover
—Control panel Laser/scanner
—Memory-tag-reader assembly — Interlock assembly Fan
— Main drive assembly
—Tray 1 pickup roller —Tray 2 pickup roller
— Formatter
Fuser
Interlock assembly
I ECU
Main motor
Cartridge door
Transfer roller Registration assembly
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