7.7 Replacement Of Fuser Unit - NEC Super Script 4400 Maintenance Manual

7.7 Replacement of Fuser Unit

[Layout of Fuser Unit Parts]
F.Cover (L)
F.Terminal (L)
Thermister Cover
F.Cover B
Caution!
1. Fuser unit consists of important parts in terms of the safety. Therefore, replacement of parts or
disassembly and maintenance work should be done at the appropriate facilities by skillful service personnel
acquainted with electrical safety. After the assembling work, the product safety should be reconfirmed.
2. Since the fuser unit is very hot, make sure that the fuser unit and perimeter is well cooled down prior to
starting the replacement of parts. Otherwise, you may get burn when touching the hot areas.
3. Fuser unit contains the silicone oil. Care not to drop the silicone oil on the floor, otherwise, the floor is very
slippery and dangerous.
196 SuperScript 4400 — Maintenance Guide
Cleaning Roller
Frame
Thermistor Ass'y
F.Terminal (R)
Oil Pan
Back-up Roller
Low Guide
Fusing Roller
F Cover (R)
Fusing Heater