MX-4100N, MX-4101N, MX-5000N, MX-5001N (serv.man15). Service Manual-Section 7-Self Diag and Trouble Code - Sharp Copying Equipment Service Manual (repair manual)

mx-4100n, mx-4101n, mx-5000n, mx-5001n (serv.man15) service manual
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MX-4100N MX-4101N MX-5000N MX-5001N (serv.man15)
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Copying Equipment / Service Manual-Section 7-Self Diag and Trouble Code
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MX-4101N  SELF DIAG AND TROUBLE CODE  7 – 1
MX-4101N
Service Manual
 
[7] SELF DIAG AND TROUBLE 
CODE
1.  Self diag
When a trouble occurs in the machine or when the life of a consum-
able part is nearly expired or when the life is expired, the machine
detects and displays it on the display section. This allows the user
and the serviceman to take the suitable action. In case of a trou-
ble,this feature notifies the occurrence of a trouble and stops the
machine to minimize the damage.
A. Function and purpose
1)
Securing safety. (The machine is stopped on detection of a
trouble.)
2)
The damage to the machine is minimized. (The machine is
stopped on detection of a trouble.)
3)
By displaying the trouble content, the trouble position can be
quickly identified. (This allows to perform an accurate repair,
improving the repair efficiency.)
4)
Preliminary warning of running out of consumable parts allows
to arrange for new parts in advance of running out. (This
avoids stopping of the machine due to running out the a con-
sumable part.)
B. Self diag message kinds
The self diag messages are classified as shown in the table below.
C. Self diag operation
(1) Self diag operation and related work flow
The machine always monitors its own state.
When the machine recognizes a trouble, it stops the operation and
displays the trouble message.
A warning message is displayed when a consumable part life is
nearly expired or is expired.
When a warning message is displayed, the machine may be or
may not be stopped.
The trouble messages and the warning messages are displayed by
the LCD and lamp.
Some trouble messages are automatically cleared when the trou-
ble is repaired. Some other troubles must be cleared by a simula-
tion.
Some warning messages of consumable parts are automatically
cleared when the trouble is repaired. Some other warning mes-
sages must be cleared by a simulation.
Class 1
User
Warning of troubles which can be recovered by the 
user. (Paper jam,consumable part life expiration, 
etc.)
Service
Warning of troubles which can be recovered only by 
a serviceman. (Motor trouble, maintenance, etc.)
Others
-
Class 2
Warning
Warning to the user, not a machine trouble 
(Preliminary warning of life expiration of a 
consumable part, etc.)
Trouble
Warning of a machine trouble. The machine is 
stopped.
Others
-
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࠙࣬
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ZFT
OP
Monitors the machine
conditions.
Detects/analyzes
the content.
Trouble/Warning
Trouble/Warning
Repair
Troubleshoot the cause.
Standby state
The machine is stopped.
The content is displayed.
Warning
Warning
Trouble
No
YES
Trouble
Reset
Replace or supply
the consumable part.
Cancel the selfdiagnostic
message with the diag-
nostics (test commands).
A consumable
part has reached
its lifetime
MX-4101N  SELF DIAG AND TROUBLE CODE  7 – 2
D. Breakdown sequence
(1) Breakdown mode processing
a. 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
Scan 
pull
ScanTo
HDD
FAX
Send
FAX 
print
Print
List 
print
FAST
Notifica-
tion to 
host
FAX board trouble
MFP
F6 (1 line)
{
{
{
{
U 1
U 1
{
{
U 1
HDD trouble
HDD-ASIC self test 
trouble
E7 (03, 04)
SCU communication 
trouble
E7 (80)
A0 (02)
{
{
{
{
PCU communication 
trouble
E7 (90)
A0 (01)
{
Power controler trouble
L8 (01, 20)
{
Backup battery voltage 
fall
U1 (01)
{
Controller fan motor 
trouble
L4 (30)
Connection trouble (MFP 
detection)
E7 (60, 61, 65)
A0 (10 - 12, 20)
Serial number 
discrepancy
U2 (30)
Vendor machine error
U7 (50, 51)
{
Memory error (included 
not installed the 
expansion RAM)
U2 (00, 05, 10, 11, 22, 
23, 24)
{
HDD registration data 
sum error
U2 (50)
{
Image memory trouble, 
decode error
E7 (01, 05, 06, 08, 09, 
42, 46, 48, 49)
{
Special function error
U2-60
{
{
{
{
{
{
{
{
{
Personal counter 
installation trouble
PC (--)
{
Laser trouble
PCU
E7 (20, 28, 29), 
L6 (10)
*10
{
Connection trouble (PCU 
detection)
E7 (50)
A0 (21)
F1 (50)
PCU section troubles 
(motor, fusing, etc.)
C1 (10, 14), 
C4 (excluding 10), 
E7 (21, 22, 23), 
F2 (22, 40, 64, 70, 74), 
H2, H3, H4, H5, H7, 
L4 (excluding 30), 
L8 (01, 02), 
U2 (90, 91),
*10
{
Paper feed tray 1 trouble
F3 (12)
U 3
{
{
{
{
U 3
*10
U 3
U 3
{
Paper feed tray 2 trouble
F3 (22)
U 3
{
{
{
{
U 3
*10
U 3
U 3
{
Paper feed tray 3 trouble
U6 (01)
U 3
{
{
{
{
U 3
*10
U 3
U 3
{
Paper feed tray 4 trouble
U6 (02)
U 3
{
{
{
{
U 3
*10
U 3
U 3
{
Paper feed tray 5 trouble
U6 (09, 20, 21, 22, 51)
U 3
{
{
{
{
U 3
*10
U 3
U 3
{
Paper feed tray other 
troubles
U6 (00, 10, 50)
U 11
{
{
{
{
U 11
*10
U 11
U 11
{
Staple trouble
F1 (08, 10)
U 4
U 4
U 4
U 4
U 4
U 4
*10
U 4
U 4
{
Saddle stitch section 
trouble
F1 
(21,31,41,43,45,47)
U 4
U 4
U 4
U 4
U 4
U 4
*10
U 4
U 4
{
After-process trouble
F1 
(00,03,11,15,19,20,32,
33,34,36,37,38,39)
U 4
U 4
U 4
U 4
U 4
U 4
*10
U 4
U 4
{
Other troubles
EE (EL, EU)
{
{
{
{
{
{
{
{
{
MX-4101N  SELF DIAG AND TROUBLE CODE  7 – 3
{
 : Operation enabled,  ✕ : Operation disabled
U 1 : The operation is enabled in a line other than the trouble line.
U 3 : When detected during other than a job, the operation is enabled with a tray other than the trouble tray.
U 4 : When detected during other than a job, the operation is enabled in a section other than the trouble paper exit section. 
U 6 : When detected during other than a job, the operation is enabled in the OC mode.
U 9 : When detected during other than a job, the operation is enabled in the black and white mode.
*  10 : Since communication is enabled, reception can be transferred.
U 11 : When detected during other than a job, the operation is enabled in other than the DESK.
*  11 : When the color mode is inhibited in "Color mode inhibit" setting of the system setting, the operation is performed in the monochrome
mode.
*  12 : Trouble display is message of  2 lines. (Example: Ready to copy. F2 trouble)
*  16 : Print is enabled. Displays "Call for service. CODE: **-**".
* Trouble mode process
• Machine operation enabled under some conditions.
A dialog is displayed when a trouble occurs. For the mode where operations are enabled, [OK] button is added to the message. When oper-
ations are disabled, [OK] button is not displayed, and the message is displayed until the trouble is cancelled.
* For U3, 6 perform the following procedures.
• When a trouble is detected during a job, the machine operation is terminated. (Trouble display/without [OK] key)
• When trouble is detected other than during the JOB operating, the trouble display is not made and the JOB that relates to the trouble part
cannot be selected. 
• Troubles which disable the machine operations
The trouble display is always made.
* Writing to the trouble memory
Writing of a same trouble to the trouble memory can be selected with SIM 26-35.
(Sim.26-35)
0: ONCE; If same as the previous one, it is not saved. (Default)
1: ANY; Though same as the previous one, it is saved.
General PCU color 
system trouble
PCU
E7 (21 - 23), 
F2 (23 - 25, 41 - 43, 
65 - 67, 71 - 73, 
75  - 77) 
*11
*11
*11
*11
*11
*11
*11
*11
{
Process control trouble 
(PCU detection)
F2 
(22, 23, 24, 25, 39, 58)
{
*12
{
{
{
{
{
{
{
{
PCU section error
C4 (10)
{
*16
{
*16
{
*16
{
*16
{
*16
{
*16
{
*16
{
*16
{
*16
Connection trouble (SCU 
detection)
SCU
A0 (22)
SCU color system 
troubles (SCU detection)
UC (02)
U 9
U 9
U 9
U 9
U 9
{
{
{
{
Anti copy system
UC (20)
{
{
{
{
EEPROM faction
U2 (80, 81)
{
{
{
{
Scanner section troubles 
(mirror motor, lens, copy 
lamp)
L1,L3
{
{
{
{
CCD troubles
(shading, etc.)
E7 (10, 11, 14)
{
{
{
{
RSPF/DF trouble
U5
U 6
U 6
U 6
U 6
U 6
{
{
{
{
General troubles in the 
SPF back surface 
scanning section
E6 (10, 11, 14)
{
{
{
{
{
{
{
{
{
Kind of trouble
Judgment 
block
Trouble code
Operatable mode
Copy scan
(including 
interruption)
Scan 
push
Scan 
pull
ScanTo
HDD
FAX
Send
FAX 
print
Print
List 
print
FAST
Notifica-
tion to 
host
MX-4101N  SELF DIAG AND TROUBLE CODE  7 – 4
(2) Power ON trouble detection sequence.
2.  Trouble code list
(Power ON sequence)
(Trouble cancel sequence)
H3, H4, U1, U2, U6, PF, F3 trouble check
When executing SIM 13, 14, 15, 16, 17
Trouble check is made in each block when initializing
and data are sent to the MFP PWB.
H3, H4, H5
Saved in the PCU
U1
Saved in the MFP.
U2
Saved in each block.
PF
Saved in the MFP.
U6-09
Saved in the PCU
SIM 13: U1 trouble cancel
SIM 14: H3, H4, H5 (Color mode
inhibition) cancel
SIM 15: LCC (U6) trouble cancel
F3-12, F3-22 cancel
SIM 16: U2 trouble cancel
SIM 17: PF trouble cancel
sim task
(To the corre-
sponding block)
MFP event
manager
Communication of trouble status
[Trouble code] [Trouble status]
Trouble cancel command
Trouble cancel status
is communicated.
Each block
When the power is turned
on, check is made in each
block.
Trouble cancel
(The trouble memory
is initialized.)
Trouble code
Trouble code content
Trouble 
detection
Mecha
nism
Option
Electri
city
FAX
Supply
Main 
code
Sub 
code
C1
10
Main charger trouble (BK)
PCU
{
14
Main charger trouble (Color)
PCU
{
C4
00
PTC trouble
PCU
{
02
PTC heater open trouble
PCU
{
03
PTC heater short trouble
PCU
{
10
PTC no control
PCU
{
E6
10
Shading error (Black correction)
SCU
{
11
Shading error (White correction)
SCU
{
14
CCD-ASIC error
SCU
{
E7
01
MFP image data error
MFP
{
03
HDD trouble
MFP
{
04
HDD-ASIC error
MFP
{
05
Standard/Extension memory R/W error (MFP PWB)
MFP
{
06
Image data decode error
MFP
{
08
MFP memory compatibility error (MFP PWB)
MFP
{
09
Wrong memory size (Std./Ext. memory) (MFP PWB)
MFP
{
10
Shading error (Black level)
SCU
{
11
Shading error (White level)
SCU
{
14
CCD-ASIC error
SCU
{
20
LSU laser detection error (K)
PCU
{
21
LSU laser detection error (C)
PCU
{
22
LSU laser detection error (M)
PCU
{
23
LSU laser detection error (Y)
PCU
{
28
LSU-PCU connection error
PCU
{
29
LSU ASIC frequency error
PCU
{
42
Date error (ACRE ASIC)
MFP
{
46
Decode error (ACRE ASIC)
MFP
{
48
Memory error (ACRE ASIC)
MFP
{
49
Water Mark data error
MFP
{
50
Engine connection trouble
PCU
{
55
PWB information sum error (Engine detection)
PCU
{
60
Combination error between the MFP PWB and other PWB, firmware
MFP
{
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