Diagnostics And Service Soft Switch - Sharp UX-470 Service Manual

UX-470ES/SE/AT
FO-880ES/AT

[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. FLN0 (FMM0 , FMH0 , FLP0 , FMI0 ) After 2 sec: DIAG MODE
FLN0 (UX-470ES)
FMM0 (UX-470SE)
FMH0 (UX-470AT)
FLP0 (FO-880ES)
FMI0 (FO-880AT)
Then press the START key. Select the desired item with the
(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 DIRECT
No. key key
(UX-470) (FO-880)
1 1 1
2 2 2
3 3 3
4 4 4
5 5 5
6 — 6
7 — 7
8 — 8
9 — —
10 — —
11 — —
12 — —
13 — —
14 — —
FLN0 FMM0
7 FLP0 DIAG MODE
FMH0
FMI0
Soft switch mode START
ROM & RAM check START
Aging mode START
Panel key test START
Check pattern START
Signal send mode START
Memory clear START
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 KEY TEST Panel keys are tested. Result list is output.
CHECK PATTERN Check pattern is 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.
MESSAGE PRINT The display message of each language is printed out together with the English equivalent.
RING & DIAL FREE Allows CI detection of 13Hz or more. Eliminates dial tone detection in auto dial.
FLASH MEMORY CHECK Checks flash memory write/read.
FLASH MEMORY CLEAR Checks flash memory clearing.
key or the # key or select with the rapid key. Enter the mode with the START key.
START
1
2
3
4
5
6
7
START
In relation with the process response (request from Production
KEY
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
— Flash memory clear
START
— START Flash memory check
— START Ring & Dial free
— START
Message print
Auto feeder mode
— START
All black mode
— START
Shading mode
8 START
Function