5-2
XEROX DFC165 & DWC165c Service Manual
5.1.1 Description of the Self-Diagnostic Program
Diagnostic step
Error message
1) The facsimile machine is pow-
ered on: the error LED lights up.
2) The EPROM is tested.
3) The keyboard RAM is tested.
4) The keyboard EPROM is tested.
5) The display is tested.
6) Communication between the key-
board and motherboard is tested.
7) Printer startup: check that the
print carriage is reset.
8) The paper edge sensor is tested.
9) The position of the print carriage
is tested.
10) The facsimile machine enters
stand-by mode: the error LED
gets off.
(*) This error also occurs if the print head is mounted the wrong way round, that is, with
the contacts facing the rear; consequently, start by checking that the print head is
positioned correctly.
SYSTEM ERROR 93
SYSTEM ERROR 06
SYSTEM ERROR 07
SYSTEM ERROR 08
SYSTEM ERROR 09
SYSTEM ERROR 03
SYSTEM ERROR 05
SYSTEM ERROR 04
(*)
AUTOMATIC RX
09-05-95 14:58
