Sharp FO-1660, Service Manual

Page: 17 / 116

[2] Diagnostics and service soft switch
2. Diagnostic items
ITEM
No.
DIRECT
key
Contents Function
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.
5 5 CHECK PATTERN Check pattern is output.
6 6 SIGNAL SEND MODE Various signals of FAX communication are output.
7 7 MEMORY CLEAR Back-up memory is cleared, and is set at delivery.
8 8 CCD ADJUST MODE Optical system is adjusted.
9 9 ALL BLACK PRINT 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 11 ENTRY DATA SEND Registered content is sent.
12 12
ENTRY DATA RECEIVE
Registered content is received, and its list is output.
13 13 RS232C CHECK Checks RS232C interface box.
1. Operating procedure
(1) Entering the diagnostic mode
Press FUNC
→
9
→ →
8
→
#
→
7 , and the following display will appear.
ROM Ver. FHH0 After 2 sec: DIAG MODE
FHH0
Then press the START key and country name selected by country select will appear. 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)
FUNC Ver. FHH0 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
START 6
Signal send mode
START
START
KEY
STOP
KEY
+ +
"Power ON"
Memory clear
(Work + Backup)
"Power ON" and keep the STOP key pressed
while "WAIT A ...." is indicated.
Press the START key when "MEMORY CLEAR?" appears.
START 12
START 11
All black print
START 10
Auto feeder mode
START 9
Entry data send
Entry data receive
CCD adjust mode
START 8
Memory clear
START 7
START 13
RS232C check
If the dial mode cannot be set, repeat the dial mode operation, per-
forming the following operation.
After the power is turned on and "WAIT A MOMENT" is indicated,
press the STOP key.
UX-600MU/MC
FO-1660U/C
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