Notations In The Disassembly Text; Fastener Types - Xerox Paser 7400 Service Manual

Notations in the disassembly text

The notation "(item X)" points to a numbered callout in the illustration
corresponding to the you disassembly procedure being performed.
The notation "PLX.X.X" indicates that this component is listed in the FRU Parts
List.
Bold arrows in an illustration show direction of movement when removing or
replacing a component.
Replacement Note
Underneath the lower output tray are are three spare k-clips of various sizes.
These clips are small and easy to lose. Keep them in a location near your
work area in case you need them.

Fastener Types

The following table lists the primary types of Posi-Drive screws used to assemble the
printer. The procedures provide dimensional specifications for screws being removed.
Posi-Drive Screw Types used in the Printer
Type Application
Self-tapping,
plastic
Parts etc
Sheet Metal,
silver
Parts etc
Sheet Metal.
with flange
Parts etc
Caution
Use care when installing self-tapping screws in plastic. To properly start the
screw in plastic, turn the screw counter-clockwise in the hole until you feel the
screw engage the threads, and then tighten as usual. Failure to properly align or
over tighten the screw can result in damage to previously tapped threads.
Service Parts Disassembly
Shape
Plastic
Sheet metal
Sheet metal
Characteristics
1. Black colored
2. Screw thread is coarse
compared to metal screw.
Coarse
3. Screw tip is thin.
1. Silver colored
2. Diameter is uniform.
3. Typically 6 mm in length
1. Silver colored
2. It has a flange.
3. Diameter is uniform.
5-3