Diagnostics And Service Soft Switch - Sharp UX-B700 Service Manual

[2] Diagnostics and service soft switch

1. Operating procedure
(1) Entering the diagnostic mode
Press FUNC 9 8
TA77 or TA95 / TA71
contorol PWB ROM
TA77 (UX-B700U)
TA95 (FO-B1600U)
printer PWB ROM
TA71 (UX-B700U/FO-B1600U)
Then press the START key. Select the desired item with the up key or the down key or select with the rapid key. Enter the mode with the START key.
(Diag specifications)
FUNC 9 8 7
Soft switch mode
ROM & RAM check
Aging mode
Panel key test
Check pattern
Signals send mode
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.
"Power ON"
2. Diagnostic items
ITEM No. Rapid No.
1 Rapid 1 SOFT SWITCH MODE
2 Rapid 2 ROM & RAM CHECK
3 Rapid 3 AGING MODE
4 Rapid 4 PANEL KEY TEST
5 Rapid 5 CHECK PATTERN
6 Rapid 6 SIGNALS SEND MODE
7 Rapid 7 MEMORY CLEAR
8 Rapid 8 SHADING MODE
9 Rapid 9 AUTO FEEDER MODE
10 Rapid 10 ENTRY DATA SEND
11 Rapid 11 ENTRY DATA RECEIVE
# 7 , and the following display will appear.
After 2 sec: DIAG MODE
DIAG MODE
TA77 or TA95 /TA71
Rapid1
START
START Rapid2
START Rapid3
START Rapid4
START Rapid5
Rapid6
START
START/
+
MEMORY
STOP START
KEY KEY
Contents
START
Rapid11
Rapid10
Rapid9
Rapid8
Rapid7
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.
Soft switches are displayed and changed. List can be output.
ROM is sum-checked, and RAM is matched. Result list is output.
10 sheets of check patterns are output every 5 minutes per sheet.
Panel keys are tested. Result list is output.
Check pattern is output.
Various signals of FAX communication are output.
Back-up memory is cleared, and is set at delivery.
Shading compensation is performed in this mode.
Insertion and discharge of document are tested.
Registered content is sent.
Registered content is received, and its list is output.
2 – 3 2 – 3
Entry data receive
START
START Entry data send
Auto feeder mode
START
START Shading mode
Memory clear
START
Function
UX-B700U
FO-B1600U