Hitachi CML176SXW, Service Manual, Page: 43 / 59

11.2 Electrostatics Discharge (ESD)
E.S.D Test
This test follow the IEC 61000-4-2
Discharge Voltage Level :
Criteria Contact Discharge (KV) Air Discharge (KV)
Class C ±4 ±4
Class B ±6 ±8
Class A ±8 ±15
Class A
:
Temporary degradation or loss of function or performance which requires
operator Intervention or system reset.
Class B
:
Temporary degradation or loss of function or performance which is self-
recoverable
Class C
:
Normal performance within the specification limits
Discharge times: 20 times for each discharge point, time interval 1 second.
In the case of acceptance tests, the test program and the interpretation of the test results are
subject to
agreement between manufacturer and user.
The test documentation shall include the test conditions and the test results.
43