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SF-73QQ
SF-7350
Ty~s of test commandsandtheirfunctions
Teat commend
01
02
03
04
05
06
07
08
09
10
12
13
14
16
18
19
20
Funtin
The mirrorbase will pedorm forwad and rev-e movem~~ ati~at~~~, to ch-k the mirrorbase action. At the
same time, action of the senaom (MHpS, MORS) can also ~ ch~k~. wl~ the
SF-7350 the mirrorbase may be
movedfmard in the speed ofdesird magnificationratiointhistestc~md. whenthe magnficatiorrratiok chosen
before depressingthe
PSW.
~ ON whenthe mirrorhomepositbn
~. — ON whenthe mirroroverrun
● 8+
●
sensor(MHPS) is acttie.
. . .
sensor(MORS) is adive.
The mirrorbase =n be moved manuallyto CM a~vation of h s~=r (MHPS. MORS) on the dispky. The prm
dure is ident~ to the testcommand1.
Otioff adion of sensorawitchea(PPD. PSD, POD, PID) can be ch~~ on the display.The indtior turnsON when
the reewe switchisa~ive.
● 84—
PPD (P~er passdet-or)
.
●
— PSD (Papw separationd-or)
.“.O.
...
— POD (Paper exitdetector)
.
●
G.
● .
.:?.. —
PID (Manualfeed paper entrydetector)
Otioff
actionof the full waste toner box sensor TFD) and cassette detectorcan be checked on the die~ay. The in-
dicatorturnsON whenthe respectiveswitchis active.
● 8% —
CD
(Cassettedetector)
.. .
●
G“
—
TFDToner fulldetector)
All indicatorson the ~eration panel are turnedon for a perii of 5
secondsto &eck for a lamp fa.lureor a refatedcir-
cuit.
The heater lamp isturnedon andofffive timesfora periodof 0.5 second.
Heater lamp turned,onfm 0.5 second+ Heater lampturned?ff for0.5 second
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Used to checkthe heaterlampdtie circuit.
If the heater lamp flashesduting the above cyck withthe status“Ha or ~. ondisplay,the fatire is in the LSI input
line, notthe outputlines.(ProbaNythermistoror LSI failure).
If the lampsstay ON orOFF continuous~,there may be a failureinthe triao, heaterkmp, or the LSI outputlines.
The copy lamp is turnedon for 5
seconds.Iftheexposuremode eekt switchis depressed before pressingthe PSW,
the copy lamp activatesin the automaticexposuremode. Otherwfse,the copy lamp a~vates .mthe manual exposure
mode. (Copylampintensitycan be adjustedusingthe manual copydenaityadjustmentprocedure).
The vokage of the CLC PWB canbe checkedwhik the copylamp is actfie.
Devdoping bias isturnedon for30 seconds.
The bias vdage and mainPWB linesignalchtis may be made withthistestcommand.
MHVG isturnedonfor30 seconds.
This teat command allowsperformanceof the currentadjustmentfor the MHVG, main P~ s~nal checks, or proper
functbningof the MHVG.
THVG is turnedon for30 seconds.
This teat commandalfowschtiing ofthe main PWB vokage orproperfunctioningofthe THVG.
Bbnk lamp
anddiachargelamp turnon for 30 seconds. In the case of the SF-735O, sefectingthe magnficatkm ratio
with the magnificationsdect key before the PSW is prsed a~atee the SL1 (aide lamp 1) at the same time as the
above lampsin the xO.80(xO.75)modeorthe SL1 and SL2 (side lamp 2) m the xO.70(xO.=). Note thatthe bfanklamp
conskts ofthe
voidlampand sidelamp.ad hat tti SF-73Q0do= ~t inc~te ~ sue lamP.
Used to cancelthe statuacode U1.
Used to cancelthe statuscode H3.
Used to check the maintenancepresetcountercontents,Set to 30,000 and itscontentswill be displayedon the multi-
copy numberdisplayinthree cycbs toindicatea whok number,Wo dig~sat a time.
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Used tod~ the machine’stotalcopy=unt.
Will be displayedinthe same manneras (16) above.
Adual copycountinthe maintenancemunter isdisplayed.
Will bedis#ayed inthe same manneras (16) above.
Used to resetthe maintenancecounterto zero afterthe completionof ma~ine maintenance.
This teat commandmustbe executedaftercompletionof machinemaintenance.
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