Sharp FO-2970M Service Manual - Page 8

] Diagnostics and service soft switches

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FO-2970MU [2] Diagnostics and service soft switches 1. Operating procedure Two kinds of diagnoses are supported. 1-1. Fax diagnosis This diagnosis is concerned with the main body of fax which is used for production and service support. Entering the diagnostic mode Press FUNC 9 8 7 , and the following display will appear. DIAG MODE ROM: FBF0 Then press the START key. Select the desired item with the key and the key or select with the rapid key. Enter the mode with the START key. (Diag • specifications) FUNC 9 8 7 ROM: FBF0 START 01 START SOFT SWITCH MODE 02 START ROM & RAM CHECK 03 START AGING MODE 04 START PANEL KEY TEST 05 START OPTICAL ADJUST MODE 06 START CHECK PATTERN MODE 07 START SIGNAL SEND MODE 08 START MEMORY CLEAR MODE 09 START AUTO FEEDER MODE 10 START MOTOR AGING MODE 11 START TEL. NUMBER SET 12 START SIGNAL SEND MODE 2 1-2. Print diagnosis This diagnosis is concerned with the print which is used for production and service support. Entering the diagnostic mode Press FUNC 9 8 6 , and the following display will appear. PRINT DIAG MODE PRESS START KEY Then press the START key. Select the desired item with the key and the key or select with the rapid key. Enter the mode with the START key. (Diag • specifications) FUNC 9 8 6 PRINT DIAG MODE START 01 START AREA PRINT MODE 02 START CHECK PATTERN 1 03 START CHECK PATTERN 2 04 START CHECK PATTERN 3 05 START PAPER FEED AGING 06 START LIFE SET MODE 07 START LIFE ALL CLEAR 08 START LIFE ENTRY MODE 09 START TOP ADJUST MODE 10 START LIFE CLEAR MODE 11 START MAIN CHARGER ADJUST Memory clear when power is turned on Pressing the START and STOP keys, turn on the main power, and the following message will be displayed. MEMORY CLEAR? YES: START Press START key, the memory will be cleared to be ready for operation. Press COPY key, the memory will be cleared to be ready for process check. If press the other keys, it will continue ready for operation as it is. 2 - 4

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FO-2970MU
2 – 4
[2] Diagnostics and service soft switches
1. Operating procedure
Two kinds of diagnoses are supported.
1-1. Fax diagnosis
This diagnosis is concerned with the main body of fax which is used
for production and service support.
Entering the diagnostic mode
1-2. Print diagnosis
This diagnosis is concerned with the print which is used for
production and service support.
Entering the diagnostic mode
Memory clear when power is turned on
Pressing the START and STOP keys, turn on the main power, and the
following message will be displayed.
Press START key, the memory will be cleared to be ready for operation.
Press COPY key, the memory will be cleared to be ready for process
check.
If press the other keys, it will continue ready for operation as it is.
Press
, and the following
display will appear.
FUNC
9
8
6
PRINT DIAG MODE
PRESS START KEY
(Diag
•
specifications)
FUNC
9
8
6
START
01
AREA PRINT MODE
START
02
CHECK PATTERN 1
START
03
CHECK PATTERN 2
START
04
CHECK PATTERN 3
START
05
PAPER FEED AGING
START
06
LIFE SET MODE
START
07
LIFE ALL CLEAR
START
START
08
LIFE ENTRY MODE
START
09
TOP ADJUST MODE
START
START
Then press the
key. Select the desired item with
the
key and the
key or select with the rapid key.
Enter the mode with the
key.
START
10
LIFE CLEAR MODE
START
11
MAIN CHARGER ADJUST
PRINT DIAG MODE
MEMORY
CLEAR?
YES: START
FUNC
9
8
7
START
01
SOFT SWITCH MODE
START
02
START
03
ROM & RAM CHECK
START
04
AUTO FEEDER MODE
START
05
AGING MODE
START
07
PANEL KEY TEST
OPTICAL ADJUST MODE
CHECK PATTERN MODE
START
08
START
06
START
09
START
10
SIGNAL SEND MODE
START
11
MOTOR AGING MODE
MEMORY CLEAR MODE
TEL. NUMBER SET
START
12
SIGNAL SEND MODE 2
START
ROM: FBF0
FUNC
9
8
7
Press
, and
the
following
display
will appear.
DIAG
MODE
START
Then press the
key. Select
the desired
item with the
key
and the
key or select with the rapid key.
Enter the mode with the
START
key.
(Diag
•
specifications)
ROM: FBF0