Read Sharp MX-1800N (serv.man16) Service Manual online
MX-1800N SELF DIAG AND TROUBLE CODE 8 – 2
D. Breakdown sequence
(1) Breakdown mode list
There are following cases of the breakdown mode.
Kind of trouble
Judgment
block
Trouble code
Operatable mode
Copy scan
(including
interruption)
Scan
push
push
Scan pull
Scan
To
HDD
FAX
send
FAX
print
Print
List
print
Notification
to FAST
host
FAX board trouble (1 line)
ICU
F6
{
{
{
{
1
1
{
{
1
HDD trouble
E7 (03)
{
SCU communication
trouble
trouble
E7 (80), A0-02
{
{
{
{
PCU communication
trouble
trouble
E7 (90), A0-01
L8-20
L8-20
{
Backup battery voltage fall
U1 (01)
{
Controller fan motor
trouble
trouble
L4-30
Connection trouble (ICU
detection)
detection)
E7 (60 – 65),
A0 (10 – 12, 20)
A0 (10 – 12, 20)
Serial number
discrepancy
discrepancy
U2 (30)
Memory error (included
not installed the expansion
RAM)
not installed the expansion
RAM)
U2 (00, 05, 10,
11, 22, 23, 24,
25)
11, 22, 23, 24,
25)
{
HDD registration data sum
error
error
U2 (50)
{
Image memory trouble,
decode error
decode error
E7 (00, 01, 05,
06, 08, 09)
06, 08, 09)
{
Network error
CE
{
{
Operatable
but send
NG
{
Operatable
but send
NG
{
{
{
{
{
Process control trouble
(Only history is left.) (ICU
detection)
(Only history is left.) (ICU
detection)
F2 (80 – 87)
{
{
{
{
{
{
{
{
{
Laser trouble
PCU
E7 (20, 28, 29),
L6 (10)
L6 (10)
* 7
{
Connection trouble (PCU
detection)
detection)
E7 (50, 55),
A0 (21)
A0 (21)
PCU section troubles
(motor, fusing, etc.)
(motor, fusing, etc.)
H2, H3, H4, H5,
L4 (excluding L4-
30), U2 (90, 91),
F2 (40, 64, 70,
74), L8 (01, 02)
L4 (excluding L4-
30), U2 (90, 91),
F2 (40, 64, 70,
74), L8 (01, 02)
* 7
{
PCU color system
troubles
troubles
E7 (21), F2 (41 –
43, 65 – 67, 71 –
73, 75 – 77)
43, 65 – 67, 71 –
73, 75 – 77)
* 6
* 6
* 6
* 6
* 6
* 6
* 6
* 6
* 7
* 7
{
Paper feed tray 1 trouble
F3-12
2
{
{
{
{
2
2
2
* 7
{
Paper feed tray 2 trouble
F3-22
2
{
{
{
{
2
2
2
* 7
{
Paper feed tray 3 trouble
U6-01
2
{
{
{
{
2
2
2
* 7
{
Paper feed tray 4 trouble
U6-02
2
{
{
{
{
2
2
2
* 7
{
Paper feed tray other
troubles
troubles
U6 (00, 10, 50)
8
{
{
{
{
8
8
8
* 7
{
Staple trouble
F1 (10)
3
3
3
3
3
3
3
3
* 7
{
After-process trouble
F1 (excluding 10)
3
3
3
3
3
3
3
3
* 7
{
Other troubles
EE (EL, EU, EC)
{
{
{
{
{
{
{
{
{
Process control trouble
(PCU detection)
(PCU detection)
F2 (39, 44, 45,
49, 51, 58, 78)
49, 51, 58, 78)
{
* 9
{
{
{
{
{
{
{
{
Connection trouble (SCU
detection)
detection)
SCU
E7 (70, 75),
A0 (22)
A0 (22)
SCU color system
troubles
troubles
UC (02)
{
{
{
{
Document control trouble
UC (20)
{
{
{
{
EEPROM system
U2 (80, 81)
{
{
{
{
Scanner section troubles
(mirror motor, lens, copy
lamp)
(mirror motor, lens, copy
lamp)
L1, L3
{
{
{
{
CCD troubles (shading,
etc.)
etc.)
E7 (10, 11, 14)
{
{
{
{
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