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MX-7500N  TROUBLESHOOTING  7 – 61

L1DF004_NL2

Vertical transport sensor 4 (1-series) not-reached 
JAM (Multi-stage LCT tray 2 paper feed)

L1DF004_SL2

Vertical transport sensor 4 (1-series) remaining 
JAM (Multi-stage LCT tray 2 paper feed)

L1DF004_NL3

Vertical transport sensor 4 (1-series) not-reached 
JAM (Multi-stage LCT tray 3 paper feed)

L1DF004_SL3

Vertical transport sensor 4 (1-series) remaining 
JAM (Multi-stage LCT tray 3 paper feed)

L1DF004_NL4

Vertical transport sensor 4 (1-series) not-reached 
JAM (Multi-stage LCT tray 4 paper feed)

L1DF004_SL4

Vertical transport sensor 4 (1-series) remaining 
JAM (Multi-stage LCT tray 4 paper feed)

L1DF004_NLM

Vertical transport sensor 4 (1-series) not-reached 
JAM (Multi-stage LCT manual paper feed)

L1DF004_SLM

Vertical transport sensor 4 (1-series) remaining 
JAM (Multi-stage LCT manual paper feed)

L1DF005_NL1

LCT paper exit sensor (1-series) not-reached JAM 
(Multi-stage LCT tray 1 paper feed)

L1DF005_SL1

LCT paper exit sensor (1-series) remaining JAM 
(Multi-stage LCT tray 1 paper feed)

L1DF005_NL2

LCT paper exit sensor (1-series) not-reached JAM 
(Multi-stage LCT tray 2 paper feed)

L1DF005_SL2

LCT paper exit sensor (1-series) remaining JAM 
(Multi-stage LCT tray 2 paper feed)

L1DF005_NL3

LCT paper exit sensor (1-series) not-reached JAM 
(Multi-stage LCT tray 3 paper feed)

L1DF005_SL3

LCT paper exit sensor (1-series) remaining JAM 
(Multi-stage LCT tray 3 paper feed)

L1DF005_NL4

LCT paper exit sensor (1-series) not-reached JAM 
(Multi-stage LCT tray 4 paper feed)

L1DF005_SL4

LCT paper exit sensor (1-series) remaining JAM 
(Multi-stage LCT tray 4 paper feed)

L1DF005_NLM

LCT paper exit sensor (1-series) not-reached JAM 
(Multi-stage LCT manual paper feed)

L1DF005_SLM

LCT paper exit sensor (1-series) remaining JAM 
(Multi-stage LCT manual paper feed)

L1DF006_NL3

Horizontal transport sensor 1 not-reached JAM 
(Multi-stage LCT tray 3 paper feed)

L1DF006_SL3

Horizontal transport sensor 1 remaining JAM 
(Multi-stage LCT tray 3 paper feed)

L1DF006_NL4

Horizontal transport sensor 1 not-reached JAM 
(Multi-stage LCT tray 4 paper feed)

L1DF006_SL4

Horizontal transport sensor 1 remaining JAM 
(Multi-stage LCT tray 4 paper feed)

L1DF007_NL3

Horizontal transport sensor 2 not-reached JAM 
(Multi-stage LCT tray 3 paper feed)

L1DF007_SL3

Horizontal transport sensor 2 remaining JAM 
(Multi-stage LCT tray 3 paper feed)

L1DF007_NL4

Horizontal transport sensor 2 not-reached JAM 
(Multi-stage LCT tray 4 paper feed)

L1DF007_SL4

Horizontal transport sensor 2 remaining JAM 
(Multi-stage LCT tray 4 paper feed)

L1DF008_NL3

Horizontal transport sensor 3 not-reached JAM 
(Multi-stage LCT tray 3 paper feed)

L1DF008_SL3

Horizontal transport sensor 3 remaining JAM 
(Multi-stage LCT tray 3 paper feed)

L1DF008_NL4

Horizontal transport sensor 3 not-reached JAM 
(Multi-stage LCT tray 4 paper feed)

L1DF008_SL4

Horizontal transport sensor 3 remaining JAM 
(Multi-stage LCT tray 4 paper feed)

L1DF009_NL3

Horizontal transport sensor 4 not-reached JAM 
(Multi-stage LCT tray 3 paper feed)

L1DF009_SL3

Horizontal transport sensor 4 remaining JAM 
(Multi-stage LCT tray 3 paper feed)

L1DF009_NL4

Horizontal transport sensor 4 not-reached JAM 
(Multi-stage LCT tray 4 paper feed)

L1DF009_SL4

Horizontal transport sensor 4 remaining JAM 
(Multi-stage LCT tray 4 paper feed)

L1DF010_NL3

Horizontal transport sensor 5 not-reached JAM 
(Multi-stage LCT tray 3 paper feed)

L1DF010_SL3

Horizontal transport sensor 5 remaining JAM 
(Multi-stage LCT tray 3 paper feed)

L1DF010_NL4

Horizontal transport sensor 5 not-reached JAM 
(Multi-stage LCT tray 4 paper feed)

L1DF010_SL4

Horizontal transport sensor 5 remaining JAM 
(Multi-stage LCT tray 4 paper feed)

L2DF101_NL3

Paper exit sensor 3cs not-reached JAM 
(Multi-stage LCT tray 3 paper feed)

L2DF101_SL3

Paper exit sensor 3cs remaining JAM 
(Multi-stage LCT tray 3 paper feed)

L2DF201_NL4

Paper exit sensor 4cs not-reached JAM 
(Multi-stage LCT tray 4 paper feed)

L2DF201_SL4

Paper exit sensor 4cs remaining JAM 
(Multi-stage LCT tray 4 paper feed)

L2DF001_NL3

Vertical transport sensor 1 (2-series) not-reached 
JAM (Multi-stage LCT tray 3 paper feed)

L2DF001_SL3

Vertical transport sensor 1 (2-series) remaining 
JAM (Multi-stage LCT tray 3 paper feed)

L2DF002_NL3

Vertical transport sensor 2 (2-series) not-reached 
JAM (Multi-stage LCT tray 3 paper feed)

L2DF002_SL3

Vertical transport sensor 2 (2-series) remaining 
JAM (Multi-stage LCT tray 3 paper feed)

L2DF003_NL3

Vertical transport sensor 3 (2-series) not-reached 
JAM (Multi-stage LCT tray 3 paper feed)

L2DF003_SL3

Vertical transport sensor 3 (2-series) remaining 
JAM (Multi-stage LCT tray 3 paper feed)

L2DF004_NL3

Vertical transport sensor 4 (2-series) not-reached 
JAM (Multi-stage LCT tray 3 paper feed)

L2DF004_SL3

Vertical transport sensor 4 (2-series) remaining 
JAM (Multi-stage LCT tray 3 paper feed)

L2DF004_NL4

Vertical transport sensor 4 (2-series) not-reached 
JAM (Multi-stage LCT tray 4 paper feed)

L2DF004_SL4

Vertical transport sensor 4 (2-series) remaining 
JAM (Multi-stage LCT tray 4 paper feed)

L2DF005_NL3

LCT paper exit sensor (2-series) not-reached JAM 
(Multi-stage LCT tray 3 paper feed)

L2DF005_SL3

LCT paper exit sensor (2-series) remaining JAM 
(Multi-stage LCT tray 3 paper feed)

L2DF005_NL4

LCT paper exit sensor (2-series) not-reached JAM 
(Multi-stage LCT tray 4 paper feed)

L2DF005_SL4

LCT paper exit sensor (2-series) remaining JAM 
(Multi-stage LCT tray 4 paper feed)

STOP_JAM

Emergency stop request JAM (Controller request)

SPPD1_N

SPPD1 not-reached JAM

SPPD1_S

SPPD1 remaining JAM

SPPD2_N

SPPD2 not-reached JAM

SPPD2_S

SPPD2 remaining JAM

SPPD3_N

SPPD3 not-reached JAM

SPPD3_S

SPPD3 remaining JAM

SPPD4_N

SPPD4 not-reached JAM

SPPD4_S

SPPD4 remaining JAM

SPPD5_N

SPPD5 not-reached JAM

SPPD5_S

SPPD5 remaining JAM

SPOD_N

SPOD not-reached JAM

SPOD_S

SPOD remaining JAM

SPSD_SCN

Exposure start notification timer end

P_SHORT

Short size JAM

SDFS_S

Double feed detection JAM/Accompanied feed JAM

ICU_REQ

ICU factor stop JAM

MX-7500N  TROUBLESHOOTING  7 – 62

After completion of communication, the communication report
table, the communication management table, and the protocol are
described on the communication report column.

The communication report code is composed as follows:

Communication report: XX (XXXX)

The upper 2 digits of the communication report code:
Communication report code of 00 to 99 (Refer to communication
report main code.)

The lower 4 digits of the communication report code:
Used by the serviceman.

The upper 2 digits: Communication report sub code 1 (Refer to
communication report sub code 1.)

The lower 2 digits: Communication report sub code 2 (Refer to
communication report sub code 2.)

CAUTION: The communication report sub code 1 and sub code 2

are in hexadecimal notation. (The others are in decimal
notation.)

CAUTION: The communication report sub code 1 is not used in the

these models.

CAUTION: For report codes 16 to 31, V.34 MODE COMMUNICA-

TION.

0

Abnormal signal

Abnormal signal

1

NSF, DIS

(SID), (SUB), NSS, DCS

2

CFR

(PWD), (SEP), NSC, DTC

3

FTT

EOP

4

MCF

EOM

5

PIP, PIN

MPS

6

RTN,  RTP

PRI-Q

7

No signal, DCN

DCN

8

PPR

PPS-EOP

9

PPS-EOM

10

PPS-MPS, PPS-NULL

11

RNR

RR

12

CTR

CTC

13

ERR

EOR-Q

14

PPS-PRI-Q

16

Abnormal signal

Abnormal signal

17

NSF, DIS

SID, SUB, NSS, DCS

18

CFR

PWD, SEP, NSC, DTC

19

FTT

PPS-EOP

20

MCF

PPS-EOM

21

PIP, PIN

PPS-MPS, PPS-NULL

22

RTN, RTP

PRI-Q

23

No signal, DCN

DCN

24

PPR

25

RNR

RR

26

CTR

CTC

27

ERR

EOR-Q

28

PPS-PRI-Q

29

V.8 Phase-1

V.8 Phase-1

30

V.8 Phase-2

V.8 Phase-2

31

V.8 Phase-3

V.8 Phase-3

MX-7500N  TROUBLESHOOTING  7 – 63

0 to 31

Refer to “previous table”.

Depends on the point of communication interruption. For 16 or later, V.34 mode communication.

33

BUSY

The calling side cannot establish connection with the remote party.

34

CANCEL

A communication interruption command is made during sending/receiving. The interruption key is pressed for 
interruption of input. <Send/Receive/Polling/Bulletin board>

35

NG35 XXXX

Power is failed during sending/receiving. <Send/Receive/Polling/Bulletin board>

36

(No record paper)

37

(Record paper jam)

38

MEM. FULL

Memory over during reception. <Receive/Polling>
Print is not made during reception in acting reception inhibit. <Receive/Polling>

39

(Number of paper 
unmatched)

40

(Relay not received)

41

LENGTH OVER

The send data length of one page exceeds the limit (2m) in sending. <Send/Bulletin board>

42

LENGTH OVER

The receive data length of one page exceeds the limit. <Receive/Polling>

43

(Communication) (OK)

Speaking before data transmission

44

ORIGINAL ERROR

A document jam occurs in direct sending. <Send>

45

(Picture quality error)

46

NO RESPONSE

The FAX signal from the remote party is not detected within T1 time. <Send/Polling>
(When in recall, however, the recall setting in case of a communication error is valid.)

47

TX DECODE ERROR

A decode error occurs in the FAX board. <Send/Bulletin board>

48

OK

Normal end of communication

OK REPLY RECEIVE

OK in Internet FAX send with reception confirmation.

49

NO RX POLL

The called side does not have polling function in polling reception. <Polling>
The called side has no data to send. <Polling>

50

RX POLL FAIL

In polling reception, DCN is received for DTC. <Polling>
In polling sending, there is no send data. <Bulletin board>

51

PASS # NG

In poling sending, the allow number is not matched. <Bulletin board>
In polling sending, the system number is not matched. <Bulletin board>

52

(No confidential function in 
remote party)

In confidential sending, the remote party does not have confidential function. <Send>
(Including other company's machines)
1)

The NSF signal has not "Confidential function" bit.

2)

The NSF is not a Sharp machine. 

53

(Confidential not received)

1)

In confidential sending, DCN is received for NSS. <Send>

54

(Confidential BOX NO NG)

1)

In confidential reception, a confidential box number which is not registered is specified.

55

(No relay function in 
remote party)

In relay command sending, the remote machine has no relay function. <Send>
(Including other company's machine)
1)

The NSF signal has not "Confidential function" bit.

2)

The NSF is not a Sharp machine.

56

NO REL RX

1)

In relay command sending, DCN is received for NSS. <Send>

2)

In relay command reception, a remote station number which is not registered is specified. <Receive>

3)

In F code relay broadcasting, an F code relay command is received.<Receive>

57

(Relay ID unmatched)

1)

In relay command reception, the relay ID does not match. <Receive>

58

REJECTED

In reception, data are sent from a remote machine of receive inhibit number. <Receive>
(Not rejected in the bulletin board send or the F code bulletin board send.)

59

RX NO F-CODE POLL

In F code polling (calling), the remote machine has no DIS bit 47 (polling function). <Polling>
In F code polling (calling), the called side has no send data. (DIS bit 9 is 0.)<Polling>

60

NO F-CODE POLL

In F code polling (calling), DCN is received for SEP. <Polling>
In bulletin board, there is no send data for SEP. <Bulletin board>

61

RX POLL # NG

In bulletin board, the sub address (bulletin board number (SEP)) is not matched. <Bulletin board>

62

F POLL PASS # NG

In bulleting board, the pass code (PWD) is not matched. <Bulletin board>

63

NO F FUNC

In F code sending, the remote machine has no DIS bit 49 (sub address function). <Send>
(Check that the remote machine conforms to F code.)

64

NO F-CODE

In F code sending : <Send>
1)

DCN is received for SUB. --- Check the box number.

2)

DCN is received for SID. --- Check the box number and pass code.

In F code receiving : <Receive>
"F code relay broadcasting" or "F code confidential reception" is "Inhibited with soft SW."

67

F PASS # NG

In F code receiving, the pass code (SID) is not matched. <Receive>

68

BOX NO. NG

In F code reception, a box number which is not registered is specified. (SUB is not matched.) <Receive>

69

MEMORY OVER

Memory over in quick online sending <Send>

70

(JOB MEMORY OVER)

In PC-FAX reservation, the number of remote parties is exceeded. <Send>

71

NG71 XXXX 

*1

In PC-FAX reservation, data sent from PC includes some errors. <Send>

72

(NG72 XXXX) 

*1

In department management setting on the machine side:
-  In reservation from PC-FAX or PC-Internet FAX, a department number which is not registered on the 

machine side is specified. <Send>

-  In reservation from PC-FAX or PC-Internet FAX, the department number is not specified. <Send>

73

NG73 XXXX 

*1

In reservation from PC-FAX or PC-Internet FAX, the use quantity limit is exceeded. <Send>

MX-7500N  TROUBLESHOOTING  7 – 64

*1: For a job status result in "Display in the column of result," "NG 

 XXXX" is displayed. "

" is the code number. 

For a communication result, "Communication error 

 (XXXX)" is displayed.

*2: The error code of Scan To USB is specified only in the job log.

-  When the communication result is OK, the communication sub code 1 and the communication sub code 2 are "0000."

-  Errors in (  ) are not used.

74

NG74 XXXX 

*1

When reserving specified filing in document filing in PC-FAX or PC-Internet FAX;
-  The pass-code for the folder is set on the machine side and the pass-code from PC-XXX does not match 

with it. <Send>

-  The pass-code for the folder is set on the machine side and no pass-code is specified by PC-XXX. <Send>

75

NG75 XXXX 

*1

-  Reservation cannot be made due to machine busy. (Reservation of PC-FAX cannot be accepted.)
-  When "PC-FAX or PC-internet FAX send inhibit" is set on the machine side.

76

NG76 XXXX 

*1

Reserved with receive confirmation request in PC-Internet FAX, but the Internet FAX sender is not registered 
on the machine side. <Send>

77

NG77 XXXX 

*1

In reserving specified filing in PC-FAX or PC-Internet FAX, the machine has no filing function.

78

NG78 XXXX 

*1

The filing function is inhibited on the machine side when filing specification is reserved by PC-FAX or PC-
Internet FAX.

79

NG79 XXXX 

*1

An authentication error occurs when PC-FAX or PC-Internet FAX is reserved.

80

NG80 XXXX 

*1

NIC connect failure (network abnormality)
-  Check for disconnection of cables.
-  A network trouble (CE-XX) occurs.
-  The port is set to DISABLE.
-  Authentication of the POP server is failed when POP before SMTP is enabled.
-  When an error other than the communication result code 93 or 94 in D-SMTP send (including error response 

of 5XX)

81

NG REPORT

In Internet FAX send, reply of receive confirmation of the remote machine is not normal. (Including PC-Internet 
FAX). 
-  Error of the disposition-modifier.
-  The disposition modifier is not in an error, and the disposition type is other than displayed, dispatched, or 

processed. 

82

NO REPORT

In Internet FAX send, time-out occurs in waiting for receive confirmation from the remote machine. (Including 
PC-Internet FAX).
-  In a case where send confirmation wait time-out time is other than 0, when send confirmation reply from an 

Internet FAX destination is not received.

-  Recalls of the set number of recalls are performed, but send confirmation reply from an internet FAX 

destination is not received.

83

NG LIMIT

In E-mail/FTP, Internet FAX send, the send data size exceeds the upper limit of send data.

84

REJECTED

In e-mail receive, a sender is registered in receive reject address/domain. <Receive>

85

NG85 XXXX 

*1

In e-mail receive, an error occurs in communication with POP3 server.
-  Header acquisition error.
-  Time-out during mail receive

86

RECEIVED

In e-mail receive, an unsupported attached file is received.
Only the TIFF-F type is supported for attached files.
-  The TIFF-F type of the attached file cannot be recognized.
-  There is no attached file. 

87

NG87 XXXX 

*1

In e-mail receive, an attached file cannot be stored in memory.
-  Memory over

88

NG88 XXXX 

*1

In SMTP e-mail receive, an attached file cannot be stored in memory.
-  Cannot be stored in memory.
-  The number of items of acting receive data is the maximum, and an additional data cannot be stored. 

89

NG89 XXXX 

*1

In SMTP e-mail receive, an error occurs in communication with the mail server.
-  Time-out occurs during e-mail receive.

90

NG90 XXXX 

*1

When image conversion for image send cannot be made after send reservation.

91

NG91 XXXX 

*1

 

*2

Data cannot be written to the memory device when Scan To USB is executed.
-  The memory device is disconnected during writing to the memory device.
-  An error occurs due to a memory device trouble.

92

NG92 XXXX 

*1

 

*2

The USB device memory overflows during writing data into the memory device when "Scan to USB" is 
executed.

93

NG93 XXXX 

*1

When error in D-SMTP send (with recall)
-  An error response of 4XX occurs during communication with the SMTP server.
-  Time out occurs after establishment of connection with the SMTP server.

94

NG94 XXXX 

*1

When busy in D-SMTP send
Time out occurs during establishment of connection with the SMTP server.

95

NG95 XXXX 

*1

When the path is too long in execution of Scan To USB.

96

NG96 XXXX 

*1

When the normal process is not executed in the secure mail sending.

98

NG98 XXXX 

*1

The copy inhibit pattern is detected when scanning a document.

99

NG99 XXXX 

*1

A document which is inhibited to be copied such as a banknote is scanned.