Service manual

UX-340L/UX-345L
UX-330L
[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. FNQ0 (FNR0 , FPL0 ) After 2 sec: DIAG MODE
FNQ0 (UX-340L)
FNR0 (UX-345L)
FPL0 (UX-330L)
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 Check pattern is output.
6 — SIGNAL SEND MODE Various signals of FAX communication are output.
7 — MEMORY CLEAR Back-up memory is cleared, and is set at delivery.
8 — SHADING MODE Shading compensation is performed in this mode.
9 — ALL BLACK PRINT To check the print head, whole dots are printed over the interval of 2 m.
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.
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
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
9 8 7
START 1Soft switch mode
START
2ROM & RAM check
START
3Aging mode
START
4Panel key test
START
5Check pattern
START —Signal send mode
Shading mode
START
START
All black mode
START
—
Auto feeder mode
START
—
Entry data send
Entry data receive
START
START
START
KEY
STOP
KEY
+
"Power ON"
Memory clear
(Work + Backup)
FNR0
Memory clear
START
—
—
—
—
FNQ0
FPL0