Sharp UX-A1000, Service Manual

Page: 15 / 128

UX-A1000U
2 – 3
2. Diagnostic items
1 Rapid 1 SOFT SWITCH MODE Soft switches are displayed and changed. List can be output.
2 Rapid 2 ROM & RAM CHECK ROM is sum-checked, and RAM is matched. Result list is output.
3 Rapid 3 AGING MODE 10 sheets of check patterns are output every 5 minutes per sheet.
4 Rapid 4 PANEL KEY TEST Panel keys are tested. Result list is output.
5 Rapid 5 CHECK PATTERN Check pattern is output.
6 Rapid 6 SIGNALS SEND MODE Various signals of FAX communication are output.
7 Rapid 7 MEMORY CLEAR Back-up memory is cleared, and is set at delivery.
8 Rapid 8 SHADING MODE Shading compensation is performed in this mode.
9 Rapid 9 AUTO FEEDER MODE Insertion and discharge of document are tested.
10 Rapid 10 ENTRY DATA SEND Registered content is sent.
11 Rapid 11 ENTRY DATA RECEIVE Registered content is received, and its list is output.
12 Rapid 12 FLASH MEMORY CHECK Checks flash memory write/read.
13 Rapid 13 FLASH MEMORY CLEAR Checks flash memory clearing.
[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.
TC02 / TA71 After 2 sec: DIAG MODE
contorol PWB ROM
TC02
printer PWB ROM
TA71
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)
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.
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.
FUNC DIAG MODE
TC02 /TA71
9 8 7
START Soft switch mode
Rapid2
Rapid1
ROM & RAM check
Rapid3 Aging mode
Rapid4 Panel key test
Rapid5 Check pattern
Rapid6 Signals send mode
Shading mode
Rapid11
Rapid10
Rapid9
Auto feeder mode
Entry data send
Entry data receive
START
Rapid8
START
KEY
STOP
KEY
+
"Power ON"
Memory clear Rapid7
START
START
START
START
START
START
Rapid12
Flash memory check
START
Rapid13
Flash memory clear
START
START
START
START
START
START/
MEMORY
ITEM No. Contents
Function
Rapid No.
2 – 3