Sharp MX-5500N / MX-6200N / MX-7000N (serv.man47) Service Manual ▷ View online
MX-7000N SELF DIAG AND TROUBLE CODE 8 – 9
C4-00
PTC (Pre-Transfer Charger) high
voltage output trouble
voltage output trouble
C4-01
PTC (Pre-Transfer Charger) cleaner
trouble
trouble
CE-00
Communication error other than
CE-01 – 08
CE-01 – 08
CE-01
Network controller trouble
CE-02
Not-specified mail/FTP server error
CE-03
Communication error in image send
CE-04
FTP server account name or
authentication password input error
authentication password input error
Trouble content
A trouble signal is detected during PTC high
voltage output.
voltage output.
Section
PCU
Case 1
Cause
Charger wire breakage
Check and
remedy
remedy
Check the charger unit.
Case 2
Cause
PTC high voltage PWB trouble
Check and
remedy
remedy
Replace the PTC high voltage PWB.
Case 3
Cause
PCU PWB trouble
Check and
remedy
remedy
Replace the PCU PWB.
Case 4
Cause
Connector and harness connection trouble
Check and
remedy
remedy
Check connection of the connector and the
harness.
harness.
Trouble content
Shifting the PTC cleaner is not completed within
the specified time.
the specified time.
Section
PCU
Case 1
Cause
Cleaner mechanism trouble
Check and
remedy
remedy
Check the cleaner mechanism.
Case 2
Cause
HP sensor trouble
Check and
remedy
remedy
Replace the HP sensor.
Case 3
Cause
Cleaner motor trouble
Check and
remedy
remedy
Replace the cleaner motor.
Case 4
Cause
PCU PWB trouble
Check and
remedy
remedy
Replace the PCU PWB.
Case 5
Cause
Connector and harness connection trouble
Check and
remedy
remedy
Check connection of the connector and the
harness.
harness.
Trouble content
Another communication error occurs.
Section
MFP
Case 1
Cause
Network cable connection trouble
Check and
remedy
remedy
Check to insure that the network cable is securely
connected.
connected.
Trouble content
Network controller and its peripheral circuit trouble
Section
MFP
Case 1
Cause
Network controller and its peripheral circuit trouble
Check and
remedy
remedy
1)
Check the network controller and its
peripheral circuit.
peripheral circuit.
2)
Output the NIC Config Page and check the
NIC version.
NIC version.
3)
Replace the MFPcnt PWB.
Trouble content
The specified mail server, FTP server, and SMB
server are not found
server are not found
Section
MFP
Case 1
Cause
Network cable connection trouble
Check and
remedy
remedy
Check to insure that the network cable is securely
connected.
connected.
Case 2
Cause
Network setup trouble
Check and
remedy
remedy
1)
Check that the connected network supports
TCP/IP protocol.
TCP/IP protocol.
2)
Check from Web page that the Primary/
Secondary E-mail Server Address or the FTP
server/Desktop PC/SMB server address as
the destination is properly set.
Secondary E-mail Server Address or the FTP
server/Desktop PC/SMB server address as
the destination is properly set.
3)
When the above address is described with
the Hostname, check that the DNS server is
properly set or not.
the Hostname, check that the DNS server is
properly set or not.
Case 3
Cause
SMTP server/FTP server/NST/SMB server trouble
Check and
remedy
remedy
Check the SMTP server/FTP server/NST/SMB
server for any trouble.
server for any trouble.
Trouble content
The specified server does not respond during
image send.
image send.
Section
MFP
Case 1
Cause
Network cable connection trouble
Check and
remedy
remedy
Check to insure that the network cable is securely
connected.
connected.
Case 2
Cause
SMTP server/FTP server/NST/SMB server trouble
Check and
remedy
remedy
Check the SMTP server/FTP server/NST/SMB
server for any trouble.
server for any trouble.
Trouble content
The entered FTP server account name or the
authentication password is invalid.
The entered SMB server log-in name or the
password is invalid.
authentication password is invalid.
The entered SMB server log-in name or the
password is invalid.
Section
MFP
Case 1
Cause
Network cable connection trouble
Check and
remedy
remedy
Check to insure that the network cable is securely
connected.
connected.
Case 2
Cause
The FTP server account name registered as the
destination or the password for the account is
incorrect.
destination or the password for the account is
incorrect.
Check and
remedy
remedy
Check to insure that the FTP server account name
registered as the destination or the password for
the account is correct.
registered as the destination or the password for
the account is correct.
Case 3
Cause
The SMB server account name registered as the
destination or the password for the account is
incorrect.
destination or the password for the account is
incorrect.
Check and
remedy
remedy
Check to insure that the SMB server account name
registered as the destination or the password for
the account is correct.
registered as the destination or the password for
the account is correct.
MX-7000N SELF DIAG AND TROUBLE CODE 8 – 10
CE-05
FTP server directory input error
CE-06
POP3 server access error
CE-07
POP3 server authentication check
error
error
CE-08
POP3 server timeout error
E6-10
Back-face shading trouble (Black
correction) (DSPF)
correction) (DSPF)
E6-11
Shading trouble (White correction)
(DSPF)
(DSPF)
E6-14
Back-face SCAN-ASIC trouble (DSPF)
E7-00
System memory access error
Trouble content
The entered FTP server directory is invalid.
The entered SMB server folder is invalid.
The entered SMB server folder is invalid.
Section
MFP
Case 1
Cause
Network cable connection trouble
Check and
remedy
remedy
Check to insure that the network cable is securely
connected.
connected.
Case 2
Cause
The FTP server account name registered as the
destination or the password for the account is
incorrect.
destination or the password for the account is
incorrect.
Check and
remedy
remedy
Check to insure that there exits the FTP server
directory registered as the destination.
directory registered as the destination.
Case 3
Cause
The SMB server account name registered as the
destination or the password for it is incorrect.
destination or the password for it is incorrect.
Check and
remedy
remedy
Check to insure that there exists the SMB server
folder registered as the destination.
folder registered as the destination.
Trouble content
The specified mail server (POP3) is not found.
(POP3 server access error)
(POP3 server access error)
Section
MFP
Case 1
Cause
Network cable connection trouble
Check and
remedy
remedy
Check to insure that the network cable is securely
connected.
connected.
Case 2
Cause
Network setup error
Check and
remedy
remedy
1)
Check that the connected network supports
TCP/IP protocol.
TCP/IP protocol.
2)
Check the Web page to insure that the POP3
server address is correctly set.
server address is correctly set.
3)
If the above address is described in
Hostname, check to insure that the DNS
server is correctly set.
Hostname, check to insure that the DNS
server is correctly set.
Case 3
Cause
POP3 server trouble
Check and
remedy
remedy
Check the POP3 server for any trouble.
Trouble content
The entered POP3 server account name or the
authentication password is invalid. (POP3 server
authentication check error)
authentication password is invalid. (POP3 server
authentication check error)
Section
MFP
Case 1
Cause
Network cable connection trouble
Check and
remedy
remedy
Check to insure that the network cable is securely
connected.
connected.
Case 2
Cause
The POP3 server account name or the password
registered for the account is incorrect.
registered for the account is incorrect.
Check and
remedy
remedy
Check to insure that the POP3 server account
name or the password for the account is correct.
name or the password for the account is correct.
Trouble content
The specified mail server (POP3) does not
respond. (POP3 server timeout error)
respond. (POP3 server timeout error)
Section
MFP
Case 1
Cause
Network cable connection trouble
Check and
remedy
remedy
Check to insure that the network cable is securely
connected.
connected.
Case 2
Cause
POP3 server trouble
Check and
remedy
remedy
Check the POP3 server for any trouble.
Trouble content
CCD black scan level abnormality when the copy
lamp is turned off.
lamp is turned off.
Section
SCU
Case 1
Cause
Installation error of the CCD unit flat cable
Check and
remedy
remedy
Check the installing state of the flat cable to the
CCD unit.
CCD unit.
Case 2
Cause
CCD unit abnormality
Check and
remedy
remedy
Check the CCD unit.
Case 3
Cause
DSPF PWB abnormality
Check and
remedy
remedy
Check the DSPF PWB.
Trouble content
CCD white scan level abnormality when the copy
lamp is on.
lamp is on.
Section
SCU
Case 1
Cause
Installation error of the CCD unit flat cable
Check and
remedy
remedy
Check the installing state of the flat cable to the
CCD unit.
CCD unit.
Case 2
Cause
Dirt on the mirror, the lens, or the reference white
plate.
plate.
Check and
remedy
remedy
Clean the mirror, the lens, or the reference white
plate.
plate.
Case 3
Cause
Copy lamp lighting trouble
Check and
remedy
remedy
Check the installing state of the flat cable to the
copy lamp unit.
copy lamp unit.
Case 4
Cause
CCD unit abnormality
Check and
remedy
remedy
Check the CCD unit.
Case 5
Cause
DSPF PWB abnormality
Check and
remedy
remedy
Check the DSPF PWB.
Trouble content
Written register value cannot be read correctly
Section
SCU
Case 1
Cause
DSPF PWB abnormality
Check and
remedy
remedy
Check the DSPF PWB.
Trouble content
System memory trouble (Tandem memory cannot
be guaranteed.)
Access to system memory cannot be made.
be guaranteed.)
Access to system memory cannot be made.
Section
MFP
Case 1
Cause
Expansion memory installation error
Check and
remedy
remedy
Check installation of the system expansion
memory.
memory.
Case 2
Cause
Garbled data
Check and
remedy
remedy
1)
Use SIM60-01 to check memory read/write
2)
Replace the expansion memory (if installed.)
3)
Replace the MFPcnt PWB.
Case 3
Cause
Dirt on the memory pin
Check and
remedy
remedy
Clean the memory pin with alcohol.
MX-7000N SELF DIAG AND TROUBLE CODE 8 – 11
* When E7-00 is in the following combination where system mem-
ory Slot 2 (inside) and Slot 1 (outside) operate normally but a
hard error occurs.
(Combination of system memory (Slot 1, Slot 2)
hard error occurs.
(Combination of system memory (Slot 1, Slot 2)
E7-01
System data trouble
E7-03
HDD trouble
E7-04
HDD-ASIC trouble (DSK model only)
E7-05
Local memory access error
* Combination where local memory Slot operate normally (Refer to
E7-09) but a hard error occurs.
E7-06
Decode error trouble: Compression
decode error (A compression file
cannot decompressed.)
decode error (A compression file
cannot decompressed.)
E7-09
Local memory combination error
* When the following combination (E7-09) where operation is not
performed properly is used.
No.
System memory
Operation guarantee
When turning
on the power
Slot 2
(Inside)
Slot 1
(Outside)
Hard
Soft
1
–
–
✕
✕
Since the
machine is not
booted, the
trouble display is
not made.
machine is not
booted, the
trouble display is
not made.
2
256MB
–
{
{
Normal operation
3
512MB
–
{
{
Normal operation
4
256MB
256MB
{
{
Normal operation
5
512MB
256MB
{
{
Normal operation
6
256MB
512MB
{
{
Normal operation
7
512MB
512MB
{
{
Normal operation
8
–
256MB
{
{
Normal operation
9
–
512MB
{
{
Normal operation
Trouble content
MFP data trouble occurs.
Section
MFP
Case 1
Cause
MFP image transfer trouble
Check and
remedy
remedy
1)
Check the connection state of the MFPcnt
PWB connector.
PWB connector.
2)
Replace the MFPcnt PWB.
Trouble content
HDD connection trouble
File control area data trouble (when FAT is broken)
File control area data trouble (when FAT is broken)
Section
MFP
Case 1
Cause
The HDD is not properly installed to the MFPcnt
PWB
PWB
Check and
remedy
remedy
1)
Check installation of the HDD of the MFPcnt
PWB.
PWB.
2)
Check connection of the harness of the
MFPcnt PWB.
MFPcnt PWB.
3)
Use SIM62-2 and -3 to check read/write from/
to the HDD.
to the HDD.
Case 2
Cause
The HDD does not work properly.
Check and
remedy
remedy
Replace the HDD.
Case 3
Cause
MFPcnt PWB trouble
Check and
remedy
remedy
Replace the MFPcnt PWB.
Trouble content
An error occurs in the HDD-ASIC self test when
booting.
booting.
Section
MFP
Case 1
Cause
HDD-ASIC abnormality
Check and
remedy
remedy
Check installation of the HDD-ASIC on the MFPcnt
PWB.
Replace the MFPcnt PWB.
PWB.
Replace the MFPcnt PWB.
Trouble content
Local memory cannot be accessed.
Section
MFP
Case 1
Cause
Local memory installation abnormality
Check and
remedy
remedy
Check the installing state of the local memory.
Case 2
Cause
Dirt on local memory pin
Check and
remedy
remedy
Clean the local memory pin with alcohol.
Case 3
Cause
Garbled data
Check and
remedy
remedy
1)
Use SIM60-01 to check memory read/write.
2)
Replace the local memory.
3)
Replace the MFPcnt PWB.
Trouble content
A decode error occurs when forming an image.
Section
MFP
Case 1
Cause
Compression data abnormality
Check and
remedy
remedy
1)
Check the installing state of the PWB. (PCI
bus)
bus)
2)
When an error occurs during a FAX job,
check the installation of the FAX PWB. In the
other cases, check the installation of the
MFPcnt PWB and HDD.
check the installation of the FAX PWB. In the
other cases, check the installation of the
MFPcnt PWB and HDD.
3)
Replace the MFPcnt PWB.
Case 2
Cause
HDD connection abnormality
Check and
remedy
remedy
Check the HDD connection.
Case 3
Cause
Data are garbled in image compression/send.
Check and
remedy
remedy
1)
Check the installation of the PWB. (PCI bus)
2)
When an error occurs during a FAX job,
check the installation of the FAX PWB. In the
other cases, check the installation of the
MFPcnt PWB and HDD.
check the installation of the FAX PWB. In the
other cases, check the installation of the
MFPcnt PWB and HDD.
3)
Replace the MFPcnt PWB.
Case 4
Cause
MFPcnt PWB abnormality
Check and
remedy
remedy
Replace the MFPcnt PWB.
Case 5
Cause
Local memory access error
Check and
remedy
remedy
Check and execute remedy similarly to E7-05.
Trouble content
Combination error of installation of local slot
memory
memory
Section
MFP
Case 1
Cause
DIMM of other than 1GB is installed to the slot.
Check and
remedy
remedy
Check the combination of installed DIMM.
No.
Local memory
Operation guarantee
When turning on
the power
Slot 4
Hard
Soft
1
–
✕
✕
E7-09
2
256MB
{
✕
E7-09
3
512MB
{
✕
E7-09
4
1GB
{
{
Normal operation
5
1GB or more
✕
✕
E7-09
MX-7000N SELF DIAG AND TROUBLE CODE 8 – 12
E7-10
Shading trouble (Black correction)
E7-11
Shading trouble (White correction)
E7-14
SCAN-ASIC trouble
E7-20
LSU BD detection trouble
E7-21
LSU LD deterioration trouble
E7-28
LSU control ASIC connection
abnormality
abnormality
E7-29
LSU-ASIC frequency abnormality
E7-50
Engine connection trouble
Trouble content
CCD black scan level abnormality when the copy
lamp is turned off.
lamp is turned off.
Section
SCU
Case 1
Cause
Installation error of the CCD unit flat cable
Check and
remedy
remedy
Check the installing state of the flat cable to the
CCD unit.
CCD unit.
Case 2
Cause
CCD unit abnormality
Check and
remedy
remedy
Check the CCD unit.
Case 3
Cause
SCU PWB abnormality
Check and
remedy
remedy
Check the SCU PWB.
Trouble content
CCD white reference plate scan level abnormality
when the copy lamp is on.
when the copy lamp is on.
Section
SCU
Case 1
Cause
Installation error of the CCD unit flat cable
Check and
remedy
remedy
Check the installing state of the flat cable to the
CCD unit.
CCD unit.
Case 2
Cause
Dirt on the mirror, the lens, or the reference white
plate.
plate.
Check and
remedy
remedy
Clean the mirror, the lens, or the reference white
plate.
plate.
Case 3
Cause
Copy lamp lighting trouble
Check and
remedy
remedy
Check the installing state of the flat cable to the
copy lamp unit.
copy lamp unit.
Case 4
Cause
CCD unit abnormality
Check and
remedy
remedy
Check the CCD unit.
Case 5
Cause
SCU PWB abnormality
Check and
remedy
remedy
Check the SCU PWB.
Trouble content
Written register value cannot be read correctly
Section
SCU
Case 1
Cause
SCU PWB abnormality
Check and
remedy
remedy
Check the SCU PWB.
Trouble content
LSU BD signal is not detected.
Section
PCU
Case 1
Cause
Disconnection or improper connection of harness
and connector between LD/BD PWB and LSUcnt
PWB
and connector between LD/BD PWB and LSUcnt
PWB
Check and
remedy
remedy
Check connection of the harness of each PWB
inside the LSU.
inside the LSU.
Case 2
Cause
1)
Optical axis shift
2)
BK laser deterioration, power reduction
3)
BD PWB trouble
Check and
remedy
remedy
1)
Use SIM61-1 to check the LSU operation.
2)
Replace the LSUcnt/BD PWB.
3)
If the trouble cannot be removed by the
above 1) to 2), replace the LSU.
above 1) to 2), replace the LSU.
Trouble content
The color laser does not light up normally.
Section
PCU
Case 1
Cause
Disconnection or improper connection of harness
and connector between LD PWB and LSUcnt PWB
and connector between LD PWB and LSUcnt PWB
Check and
remedy
remedy
Check connection of the harness of each PWB
inside the LSU.
inside the LSU.
Case 2
Cause
Y/M/C laser deterioration
Check and
remedy
remedy
1)
Use SIM61-1 to check the LSU operation.
2)
Replace the LSUcnt PWB.
3)
If the trouble cannot be removed by the
above 1) to 2), replace the LSU.
above 1) to 2), replace the LSU.
Trouble content
Access error between the CPU of the PCU PWB
and the LSU control ASIC
and the LSU control ASIC
Section
PCU
Case 1
Cause
Communication connector connection trouble
between the PCU PWB and the LSUcnt PWB
(interface PWB), or harness trouble
between the PCU PWB and the LSUcnt PWB
(interface PWB), or harness trouble
Check and
remedy
remedy
Check the connector connection between the PCU
PWB and the LSUcnt PWB (interface PWB), or
check the harness.
PWB and the LSUcnt PWB (interface PWB), or
check the harness.
Case 2
Cause
PCU PWB or LSUcnt PWB (interface PWB)
trouble
trouble
Check and
remedy
remedy
Replace the PCU PWB or the LSUcnt PWB
(interface PWB).
(interface PWB).
Trouble content
Oscillation trouble of the external oscillator used in
LSU-ASIC and the internal oscillation circuit
LSU-ASIC and the internal oscillation circuit
Section
PCU
Case 1
Cause
Trouble of the oscillator on the LSU-ASIC PWB,
the resistor and capacitor for the oscillation circuit,
and the LSU-ASIC itself.
the resistor and capacitor for the oscillation circuit,
and the LSU-ASIC itself.
Check and
remedy
remedy
Replace the LSUcnt PWB.
Trouble content
Unknown PWB identification information is
detected in the PCU PWB.
detected in the PCU PWB.
Section
PCU
Case 1
Cause
A PWB which is incompatible with the machine
specifications is connected.
specifications is connected.
Check and
remedy
remedy
1)
Replace the PCU PWB.
2)
Replace the LSU PWB.
Case 2
Cause
A firmware which is incompatible with the machine
specifications is used.
specifications is used.
Check and
remedy
remedy
Check the kind and the version of the firmware.
Case 3
Cause
LSU PWB connection trouble
Check and
remedy
remedy
Check the LSU PWB connection.
Case 4
Cause
LSU PWB trouble
Check and
remedy
remedy
Replace the LSU PWB.
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