Editing Apple Personal LaserWriter 300 (section)

=== Canon LBP-PX Fuser Maintenance ===

The Personal LaserWriter 300's fuser operates at lower temperature than other models:

'''LBP-PX Fuser Specifications:'''
* '''Operating temp:''' 180°C (356°F) vs 200°C in other models
* '''Warm-up time:''' 30 seconds from cold
* '''Power consumption:''' 280W during fusing
* '''Roller diameter:''' 20mm (smaller than LBP-LX)

'''Fuser Service Procedure:'''

# '''Accessing the fuser:'''
## Remote plastic facade (4 screws under the toner cover), pull the plastic cover forward and up at the corners.
## Remove two screws at rear panel
## Pull straight back (not up)

# '''Upper roller inspection:'''
## Should be light tan color
## No black streaks or gouges
## Slight texture acceptable
## Replace if shiny/glazed

# '''Lower roller check:'''
## Red silicone rubber
## Must spring back when pressed
## No flat spots or cuts
## Clean with alcohol only

# '''Thermistor cleaning:'''
## Small white component touching upper roller
## Clean with cotton swab
## Use 99% isopropyl alcohol

# '''Exit roller service:'''
## Two small rubber rollers
## Check "fingers" for wear
## Common failure at 75,000 pages
## Can trim worn fingers as temporary fix