Specifications

Flowcharts and TablesTroubleshooting
Yes
START
No
1. Switch off the printer and disconnect it from the
Macintosh computer.
2. Remove the top cover, rear cover, and side covers.
3. Remove the I/O shield and I/O board.
4. Plug in and switch on the printer.
Does
the fan
come on?
Does the
fuser bulb glow every
few seconds during
startup?
Go to Table 2,
No Power to Fan.
Go to Table 3,
Fuser Assembly
Failure.
No
Yes
Does the
main motor
rotate sometime
after startup?
Initiate a service test page.
Go to Table 1,
Main Motor
Failure.
Yes
No
A
LaserWriter Select 300 Flowchart 2