5.1.1 Electrical shock
Electrical shock hazard
*Remove grounding wrist straps before servicing this unit while the FAX's power is
on. Otherwise, electrical shock may occur.
bower supply unit
When power is supplied to this unit, 120 VAC will be supplied to the primary side.
If a telephone line is connected to this unit, 48 VDC will be supplied by this line.
When a call signal is received, a voltage of 90 VAC Vrms will be supplied.
5.1.2 High-temperature parts
To prevent skin burns, disconnect the powcr cord and let this unit stand for at least
Heat of about 122°F or more causes burns. Also, the longer the contact, the mow
severe the burn.
When treating a burn, the first minute after receiving the burn is the most .
important. Cool the burn immediately with cold running water. In case of a
serious burn, seek medical attention immediately.
The parts which get hot during operation are indicated. For the location of thcsc
parts, refer to the figures.
(Ambient temperature 95°F (35°C) continuous copy operation)
Paper feed motor (approx. - 132°F (55.6"C))
Carriage motor (approx. - 145.2-F (62.9"C))
Power supply unit (Max. - 185°F (85.2%))
PCNT board assrmbly (approx. - 173.1"F (78.4"C))
feed motor (approx. - 113.9"F (45.5"C))
Chapter 7: Genera/ Description