MX-5001N  SELF DIAG AND TROUBLE CODE  7 – 3
{ : Operation enabled,  ✕ : Operation disabled
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
{{
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