Gestetner A265, Service Manual

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Trouble-
shooting
SERVICE CALL CONDITIONS
SM 7-15 A265/A267
SC921: EMB (Copier feature expander) hardware error
Definition: [B]
The hardware of the MSU is defective.
Possible Causes:
•
EMB (Copier feature expander) defective
•
BICU defective
SC980: Program loading error
Definition: [A]
The program cannot load properly.
Possible Causes:
•
The connection between the BICU and the Memory Card is poor.
•
BICU board defective
•
Memory Card or the program defective
NOTE: This SC should be cleared by trying to download again from a memory
card.
SC981: NVRAM error
Definition: [B]
The NVRAM is defective.
Possible Causes:
•
NVRAM is defective.
•
BICU is defective.
SC990: Communication error between BICU and IOB
Definition: [B]
The BICU board cannot communicate with the IOB.
Possible Causes:
•
The connection between the BICU board and the IOB is poor.
•
BICU board defective
•
IOB defective
SC999: Program version error
Definition: [B]
An incorrect type of main software was downloaded.
Possible Causes:
•
The main software for another machine was downloaded to this machine.
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Rev. 03/2000
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