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). Page 3

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)

{

{

{

{

{

{

{

{

{