Sharp FO-375, Service Manual

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UX-108U/178U/188U
FO-375U
[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. FWR0 (FWS0 ) After 2 sec: DIAG MODE
FWR0 (UX-108U)
FWS0 (UX-178U/188U/FO-375U)
Then press the START key. Select the desired item with the key or the # key or select with the rapid key. Enter the mode with the START key.
(Diag
•
specifications)
2. Diagnostic items
ITEM DIRECT
Contents Function
No. key
1 1 SOFT SWITCH MODE Soft switches are displayed and changed. List can be output.
2 2 ROM & RAM CHECK ROM is sum-checked, and RAM is matched. Result list is output.
3 3 AGING MODE 10 sheets of check patterns are output every 5 minutes per sheet.
4 4 PANEL KEY TEST Panel keys are tested. Result list is output.
5 5 CHECK PATTERN MODE Check pattern is output.
6 6 SIGNAL SEND MODE Various signals of FAX communication are output.
7 7 MEMORY CLEAR MODE Back-up memory is cleared, and is set at delivery.
8 8 SHADING MODE Shading compensation is performed in this mode.
9 9 ALL BLACK MODE To check the print head, whole dots are printed over the interval of 2 m.
10 10 AUTO FEEDER MODE Insertion and discharge of document are tested.
11
−
ENTRY DATA SEND Registered content is sent.
12
−
ENTRY DATA RECEIVE Registered content is received, and its list is output.
13
−
CUTTER AGING Recording paper is successively cut. (Cutter model only)
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 – 2
FUNC
DIAG MODE
9 8 7
START 1 Soft switch mode
START 2 ROM & RAM check
START 3 Aging mode
START 4 Panel key test
START 5 Check pattern mode
START 6 Signal send mode
START 7 Memory clear mode
Shading mode
START
START
All black mode
START 10 Auto feeder mode
START 9
Entry data send
Entry data receive
START
START 8
START
KEY
STOP
KEY
+ +
"Power ON"
Memory clear
(Work + Backup)
FWR0 ,FWS0
START
Cutter aging
(Cutter model only)
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.