Sharp ER-1910 Service Manual page 11

ER-2395
3) Test No.3: Display buzzer test
@) Key operation
rs eae aan
-@-Description ~
sCennguaus — and d aisplay are 2 tested
. State of display
Fig. 7-6
@) Termination
The beep stops with any key depression and the display returns
to show 0. —
Termination print 03
4) Test No.4: Receipt on/off switch test
@) Key operation
4—[TlfCAAT]
@ Description.
The. following is displayed AesordinG to the location of the
receipt on/off switch.
- Receipt off (contacts closed)
Receipt on (contacts open)
, End
Fig. 7-7
@) Termination
With depression of any key, the display shows 0.
Termination print 04
5) Test No.5: Drawer open test
~@ Key operation ~
sa
5 [iJor[ewarT]
—@ Description
- With this test, the drawer opens: and 'its elalc™ is Giepiyo in
the following manner:
'Drawer open ——>"
_ Drawer closed —> c | :
AGS displayed for the model that has no drawer sensor switch.
@) Termination: —
_ With depression of any key, the display shows 0.
~ - Termination print 05
6) Test No.6: Continuous print test"
| @ Key operation
9 ->[TiJor[GAIAT] 2
(2) Description - >
Receipt switch at OFF: ontauous printing is done.
Receipt switch at ON: After a cycle of printing, the operation
terminates. automatically. -
@® Termination
When the receipt switch is turned from OFF to ON position
-while printing is continuing, the test termination after a cycle
of printing. |
rie
[A continuous print example]
LN Zee e fh @
wkKAK KHZ ND
o0000000K<
111111118
97200100 00
@
+ <> CG
+ RA
oon PO
2 <———> VD
| : a
Printed at the termination
Fig. 7-8
7) Test No.7: ROM test
@)-Key operation
CPU internal system ROM (0000H~ OFFFH)
1 0 [TLJor[CA/AT]
CPU internal application ROM (8000H~FF7FH) |
or 27256 SOS ROM
11 —[TL]or[CA/AT]
27128/SOS ROM (2000H~3FFFH)
12 —[TLor CA/AT]
@ Test results
_ Termination print
Normal end ' At error
Oe | Se ee ee 10E
| —---~-—-—-11E
12 o------ 125
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