Sharp MX-M550N

MX-M700N SELF DIAG AND TROUBLE CODE 8 – 2
D. Breakdown sequence
(1) Breakdown mode list
There are following cases of the breakdown mode.
(The machine cannot be operated.)
* For FAX communication, refer to the sheet of "(3) Call request and Callin."
* The machine may be operated under some conditions.
U1: When detected except when in a job, the machine can be operated in the OC mode.
U2: Can be operated except in the staple mode.
U3: When detected except in a job, the machine can be operated except with the breakdown tray.
U4: Can be operated with some restriction on the image quality depending on the destination. (Low density print)
* Refer to the process control trouble operation table below.
U5: When detected except in a job, can be operated except in the trouble paper exit section.
U6: When detected except in a job, can be operated in the single surface scan mode.
U7: Can be operated except in the inserter tray, if the error is detected in the standby mode.
* Process control trouble operation table
kind of trouble
Judgment
block
Trouble code
Operation enable mode
Copy read
(including
interrupt)
FAX
send
Email
receive
FAX
print
Print
List
print
Notification
to
FASThost
(DSPF breakdown) Scanner U5 U 1 U 1 U 1 {{ { {
Scanner section breakdowns
(Mirror motor, lens, copy
lamp)
Scanner L1, L3, U2 (80, 81) ✕✕✕{{ { {
FAX board breakdown MFP control/
FAX
F6, F7 { ✕ { ✕ {{ ✕
FAX power OFF MFP control { ✕ { ✕ {{ ✕
Network error MFP control CE {{✕ {{ { ✕
Staple breakdown MFP control F1 (10) U 2 {{U 2 U 2 U 2 {
Paper feed tray breakdown PCU F3, U6 (LCC) U 3 {{U 3 U 3 U 3 {
(Process control breakdown) PCU F2 (31, 32, 37) U 4 {{U 4 U 4 U 4 {
PCU section breakdowns
(Motor, fusing section, etc.)
PCU C1, C2, C3, H2, H3, H4, H5, L4
(excluding L4-30), L8, U2
(90, 91), F2, F4
✕ {{✕✕ ✕ {
After-process breakdown PCU F1 U 5 {{
U 5 U 5 U 5 {
Inserter trouble (excluding
communication trouble)
PCU F1 (61, 62) U 7 {{U 7 U 7 U 7 {
Laser breakdown PCU E7 (02 only), L6 ✕ {{✕✕ ✕ {
HDD breakdown MFP control E7 (03) ✕ ✕ ✕✕✕✕ {
CCD breakdowns
(Shading, etc.)
Scanner E7 (10, 11, 12, 14) U 6 U 6 U 6 {{ { {
CIS breakdowns
(Shading, etc.)
Scanner E6 (10, 11, 14) ✕✕✕{{ { {
Scanner communication
trouble
MFP control E7 (80) ✕ ✕ ✕✕✕✕ {
PCU communication trouble MFP control E7 (90) { ✕✕{{ { {
FAX backup battery voltage
fall
MFP control U1 (01, 02) { ✕✕{{ { {
HDD registration data sum
error
MFP control U2 (50) { { {{{{ {
Thermistor trouble (trouble
history)
PCU F2 (39, 46, 47, 48) { { {{{{ {
Memory MFP control U2 (00, 11, 12, 22, 23) ✕ ✕ ✕✕✕✕ {
External communication
disable (RICA)
MFP control U7, PF ✕ ✕ ✕✕✕✕ {
Image memory trouble,
decode error
MFP control E7 (01, 06) ✕ ✕ ✕✕✕✕ {
Incompatibility check error MFP control/
PCU
E7 (50, 55, 56, 57, 60, 65, 66, 67) ✕ ✕ ✕✕✕✕ {
Controller fan motor trouble MFP control L4-30 ✕ ✕ ✕✕✕✕ ✕
Troubl
e
code
Error content
Operation
/SEC
F2-31 Process control sensor gain adjustment failure Machine stop
F2-32 Mark detection failure Low density
copy
F2-37 Mark sensor gain
adjustment failure
Machine stop