Sharp MX 3501N - Color Laser - Copier, Service Manual

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MX3500N SELF DIAG AND TROUBLE CODE 8 – 10
E7-00 System memory access error
* 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)
E7-01 System data trouble
E7-03 HDD trouble
E7-05 Local memory access error
* Combination where local memory Slot 4 (inside) and Slot 3 (out-
side) operate normally (Refer to E7-09) but a hard error occurs.
E7-06 Decode error trouble: Compression
decode error (A compression file
cannot decompressed.)
E7-08 Local memory specifications error
* The error occurs when a DIMM which is not recommended by
Sharp.
Trouble content System memory trouble (Tandem memory cannot be
guaranteed.)
Access to system memory cannot be made.
Section MFP
Case 1 Cause Expansion memory instillation error
Check
and
remedy Check installation of the system expansion memory.
Case 2 Cause Garbled data
Check
and
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 Clean the memory pin with alcohol.
No.
System memory Operation guarantee
When turning
on the power
Slot2
(Inside)
Slot1
(Outside)
Hard Soft
1 – –
✕ ✕
Since the
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 ICU data trouble occurs.
Section MFP
Case 1 Cause ICU image transfer trouble
Check
and
remedy 1) Check the connection state of the MFPcnt PWB
connector.
2) Replace the MFPcnt PWB.
Trouble content HDD connection trouble
File control area data trouble (when FAT is broken)
Section MFP
Case 1 Cause The HDD is not properly installed to the MFPcnt PWB
Check
and
remedy 1) Check installation of the HDD of the MFPcnt
PWB.
2) Check connection of the harness of the MFPcnt
PWB.
3) Use SIM62-2 and -3 to check read/write from/to
the HDD.
Case 2 Cause The HDD does not work properly.
Check
and
remedy Replace the HDD.
Case 3 Cause MFPcnt PWB trouble
Check
and
remedy Replace the MFPcnt PWB.
Trouble content Local memory cannot be accessed.
Section MFP
Case 1 Cause Local memory installation abnormality
Check
and
remedy Check the installing state of the local memory.
Case 2 Cause Dirt on local memory pin
Check
and
remedy Clean the local memory pin with alcohol.
Case 3 Cause Garbled data
Check
and
remedy 1) Use SIM60-01 to check memory read/write.
2) Replace the 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 1) Check the installing state 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.
3) Replace the MFPcnt PWB.
Case 2 Cause HDD connection abnormality
Check
and
remedy Check the HDD connection.
Case 3 Cause Data are garbled in image compression/send.
Check
and
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.
3) Replace the MFPcnt PWB.
Case 4 Cause MFPcnt PWB abnormality
Check
and
remedy Replace the MFPcnt PWB.
Case 5 Cause Local memory access trouble
Check
and
remedy Check and execute remedy similarly to E7-05.
Trouble content DIMM of different specification is detected in the local
memory slot.
Section MFP
Case 1 Cause DIMM of different specification is installed to the local
memory slot.
Check
and
remedy Check the installed DIMM.