Breakdown Sequence; Breakdown Mode List - Sharp MX-2300 G Service Manual

D. Breakdown sequence

(1) Breakdown mode list

There are following cases of the breakdown mode.
Judgment
Kind of trouble
block
FAX board trouble (1 line) ICU
FAX board trouble (2
lines)
HDD trouble
SCU communication
trouble
PCU communication
trouble
Backup battery voltage fall
Controller fan motor
trouble
Connection trouble (ICU
detection)
Serial number
discrepancy
Memory error (included
not installed the expansion
RAM)
HDD registration data sum
error
Image memory trouble,
decode error
Network error
Process control trouble
(Only history is left.) (ICU
detection)
Laser trouble PCU
Connection trouble (PCU
detection)
PCU section troubles
(motor, fusing, etc.)
PCU color system
troubles
Paper feed tray 1 trouble
Paper feed tray 2 trouble
Paper feed tray 3 trouble
Paper feed tray 4 trouble
Paper feed tray 5 trouble
Paper feed tray other
troubles
Staple trouble
After-process trouble
Other troubles PCU
Process control trouble
(PCU detection)
Copy scan
Trouble code
(including
interruption)
F6
F7
E7 (03) ✕
E7 (80), A0-02 ✕
E7 (90), A0-01 ✕
L8-20
U1 (01) ✕
✕
L4-30
✕
E7 (60 – 65),
A0 (10 – 12, 20)
✕
U2 (30)
✕
U2 (00, 05, 10,
11, 22, 23, 24,
25)
U2 (50) ✕
E7 (00, 01, 05, ✕
06, 08, 09)
CE
F2 (80 – 87)
✕
E7 (20, 28, 29),
L6 (10)
✕
E7 (50, 55),
A0 (21)
✕
H2, H3, H4, H5,
L4 (excluding L4-
30), U2 (90, 91),
F2 (40, 64, 70,
74), L8 (01, 02)
✕
E7 (21), F2 (41 –
43, 65 – 67, 71 – * 6
73, 75 – 77)
F3-12 2
F3-22 2
U6-01 2
U6-02 2
U6 (09, 20 – 22, 2
51)
U6 (00, 10, 50) 8
F1 (10) 3
F1 (excluding 10) 3
EE (EL, EU, EC)
F2 (39, 44, 45,
49, 51, 58, 78) * 9
MX-2300/2700 N/G SELF DIAG AND TROUBLE CODE 8 – 2
Operatable mode
Scan
Scan
Scan pull To
push
HDD
✕ ✕ ✕
✕ ✕ ✕
✕ ✕ ✕
✕ ✕ ✕
✕ ✕ ✕
✕ ✕ ✕
✕ ✕ ✕
✕ ✕ ✕
✕ ✕ ✕
✕ ✕ ✕
Operatable Operatable
but send but send
NG NG
✕ ✕ ✕
✕ ✕ ✕
✕ ✕ ✕
✕ ✕ ✕
* 6 * 6 * 6
3 3 3
3 3 3
Notification
FAX FAX List
Print to FAST
send print print
1 1
1 1
✕ ✕ ✕ ✕
✕
✕ ✕ ✕ ✕
✕ ✕ ✕ ✕
✕ ✕ ✕ ✕
✕ ✕ ✕ ✕
✕ ✕ ✕ ✕
✕ ✕ ✕ ✕
✕ ✕ ✕ ✕
✕ ✕ ✕ ✕
✕ ✕ ✕ ✕
* 7
✕ ✕ ✕ ✕
✕ ✕ ✕ ✕
* 7
✕ ✕ ✕ ✕
* 6 * 6 * 6 * 6
* 7
2 2 2
* 7
2 2 2
* 7
2 2 2
* 7
2 2 2
* 7
2 2 2
* 7
8 8 8
* 7
3 3 3 3
* 7
3 3 3 3
* 7
host
1
1
✕
✕
✕
✕
✕