Special Service Tool - Sharp ER-04RP Service Manual

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11-8. Line inspection program (SW1-2:OFF,
SWI-3:OFF, SW1-4:OFF)
The diagnostic programs of the printer are sequentially performed to
test the hardware functions.
(Test sequence)
(1) Printout test
(2) Dip switch read test
(3) ROM/RAM test
(4) Host terminal emulation mode
The line inspection program can be terminated by turning power off.
Host terminal emulation mode (4) is continuously performed until the
power is turned off.
12. Special service tool
12-1. Disassembly of the control PWB and the
1)
2)
3)
SRN interface PWB
Remove the rear cover.
Disconnect all the connectors. (7 positions)
Remove the four fixing screws of the PWB and one fixing screw of
the connector cover. Then the PWB'S can be removed.
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4) Attach the UKOG-6669RCZi! to the ER-04RP body so that it
ER-04RP
5)
Insert the connectors (which were disconnected in procedure 1))
r
to the UKOG-6669RCZZ.
comes in the position of the printer control PWB. Use the screw
removed in procedure 1) for fixing.
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