Sharp SF-7300 - Self-Diagnosis

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[14] SELF-DIAGNOSIS AND TEST FUNCTIONS
1.Testcommandfunctions
Test functions are used to clarify and pinpointmalfunctionsin ac-
cordame withthe status cdes and to manipulateoperationsin the
machineby enteringan appropriatetest command.me statuscode
‘-G-G--l*[~:M
can be checked, changed, or canceled by the test command fun~,
tion. In addkion,variousch~-out functbne maybe performed. L-~~~~--d
(1) Actuation of the test command functions
1) DepressCLEAR,ZERO,
ZERO,ad CLEARkeys. All of tie im r~yg-~~~n-l
dkators (except copy ratio indicator,automatic exposure copy I ~m= P
!~~=~sz:;
density indicator)on the o~ration pane! wiiI ao
out. and the L=----J
)
2)
3)
4)
1
5)
)
-.
machinewillbe ready to accept testcommands.
L
r--------z
F
J
If ya do not cornpkte the entering of CLEAR, ZERO, ZERO, ~ 1-’0- ~
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P* Psw.
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4
CLEAR keys with in 5 seconds, the copier will not go into the
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test mode. You willhave to performthe commanden~ again. ~y
btiw
If a key en~ was made whilethe machineis runningorcopying,
—ad ~.
the message in the mutiple copy numberdisplaywirrdowgoes r-–-–---–~
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out to indicatethat the machine is ready to accept a test com 1 lti~-im~ I
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Pti-~*.
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mand.
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If it was done while the machine is running,itgoes intothe test
wfi~ ,* fw
command mode after the drum cfeaning cycle has been com
d~~mh.
pkted.
If done while the machine is copying,the test commandmode is
establishedafter the copyoperationhasbeen completed.
Programthe test command by entefing the twodigit command
code. AWough any number of digitscan be entered throughthe
ke@oard, on~ the lasttwodgits are effecttie.
The testcommandis executd by pressingthe PSW.
To change the command, pre~ the CLEAR key. The test
programunder executionis terminatesand all of the frontpand
indkatorswillgo out.The controlreturnsto Step (2) and isready
for a new entry.
To terminatethe test mode, press the clear key twice for all test
commandsexceptthe folbwing.
The copierwillreturnto the operatiorrdmode.
NOTE:
● Test programs,21 or 24.
1. Power switch off, except for the case that the power is
turned off tih a misfeed existing in the test command
mode 21 or 24, toner in empty condition,waste tonerbottte
ful~ contained,and withthe statusP blinking.
2. Press CLWR, ZERO, ZERO, CLEAR, CLEAR CLEAR
keys.
● Test commands13 and 14.
As the test commands, 13 and 14, are used to cksr the com
tents of the setidiagnoeis (Ul, H3, H4) mmory stored in the
LSI, the prcgram willbe cbared automatbally upn the con
pktion of the test program13 or 14.
After this, the machine will go to the ordina~ ~erationd
mode.
● Test mode is automaticd~ canceledafter the executionof the
test command90.
14– I
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