Diagnostics And Service Soft Switch; Fo-90Ra - Sharp FO-90 Service Manual

FO-90RA

[2] Diagnostics and service soft switch

1. Operating procedure
(1) Entering the diagnostic mode
Press FUNC → 9 → → 8 → # → 7 , and the following display will appear.
ROM Ver. FPT0 After 2 sec: DIAG MODE
FPT0
Then press the START key and country name selected by country select will appear. Select the desired item with the
with the direct key. Enter the mode with the START key.
(Diag•specifications)
FUNC 9 8
If the diag mode cannot be set, repeat the diag mode operation, per-
forming the following operation.
After the power is turned on and "WAIT A MOMENT" is indicated, press
the STOP key.
2. Diagnostic items
ITEM DIRECT
No. key
1 —
2 A
3 —
4 —
5 B
6 C
7 —
8 —
9 D
10 E
11 —
12 —
13 —
14 —
15 —
FPT0
7
Soft switch mode
ROM & RAM check
Aging mode
Panel check mode
Check pattern
Signal send mode
Memory clear
Shading mode
STOP
KEY
+
"Power ON"
Memory clear
(Work + Backup)
Contents
SOFT SWITCH MODE Soft switches are displayed and changed. List can be output.
ROM & RAM CHECK ROM is sum-checked, and RAM is matched. Result list is output.
AGING MODE 10 sheets of check patterns are output every 5 minutes per sheet.
PANEL CHECK MODE Panel keys are tested. Result list is output.
CHECK PATTERN 2 sheets of check patterns are output.
SIGNAL SEND MODE Various signals of FAX communication are output.
MEMORY CLEAR Back-up memory is cleared, and is set at delivery.
SHADING MODE Shading compensation is performed in this mode.
ALL BLACK PRINT To check the print head, whole dots are printed over the interval of 2 m.
AUTO FEEDER MODE Insertion and discharge of document are tested.
ENTRY DATA SEND Registered content is sent.
ENTRY DATA RECEIVE Registered content is received, and its list is output.
FLASH MEMORY CHECK Checks flash memory write/read.
FLASH MEMORY CLEAR Checks flash memory clearing.
CUTTER AGING Recording paper is successively cut.
DIAG MODE START
START —
START A
START —
START —
START B
START C
START —
START —
START
KEY
In relation with the process response (request from Production
Engineering) "WAIT A MOMENT" clock indication may appear depending
on STOP key timing. If the STOP key is held down, "MEMORY CLEAR?"
appears.
2 – 2
key or the # key or select
—
START
—
START
— START Flash memory check
— START
— START
E START
D START
Function
Cutter aging
Flash memory clear
Entry data receive
Entry data send
Auto feeder mode
All black mode