Sharp Mx 2300n Service Manual

MX-2300/2700 N/G  ADJUSTMENTS  6 – 57 If a considerable time has passed after completion of the color bal-
ance adjustment (Manual) with SIM 67-25, the color balance of the
adjustment pattern at the time of adjustment differs from the color
balance of the adjustment pattern printed after a considerable time.
Never use such a pattern for the adjustment.
The correctness of the service color balance target data can be
judges as follows.
Select the service color balance target with SIM 67-24 and execute
the...

MX-2300/2700 N/G  ADJUSTMENTS  6 – 58
* When the MFP PWB is replaced.
* When the EEPROM on the MFP PWB is replaced.
b. Setting procedure
1) Enter the SIM 26-54 mode.
2) Select ENABLE or DISABLE with 10-key.
When disabling, set to 0 (NO).
When enabling, set to 1 (Yes).
3) Press [OK] key.
When set to DISABLE, the menu of the user auto color calibra-
tion (automatic adjustment of printer color balance and den-
sity) is not displayed in the user program mode.
(Auto color calibration by the user (Auto color...

MX-2300/2700 N/G  ADJUSTMENTS  6 – 59 Slowly tilt the document detection arm unit in the arrow direc-
tion. Loosen the original cover switch actuator adjustment
screw so that the display OCSW is returned to the normal dis-
play when the height of the arm unit top from the table glass is
32 ± 0.5mm. Slide the actuator position and adjust. (If the ON
timing of the original cover switch is shifted, the document
detection function may malfunction.)
 23-B Document size sensor sensitivity adjust-
ment
1) Enter...

MX-2300/2700 N/G  ADJUSTMENTS  6 – 60 2) Set the manual paper feed guide to the maximum width posi-
tion.
3) Press [EXECUTE] key.
[EXECUTE] key is highlighted. Then it returns to the normal
display.
The maximum width position detection level of the manual
paper feed guide is recognized.
4) Set the manual paper feed guide to the A4 size.
5) Press [EXECUTE] key.
[EXECUTE] key is highlighted. Then it returns to the normal
display.
The A4 size width position detection level of the manual paper
feed guide is...

MX-2300/2700 N/G  ADJUSTMENTS  6 – 61
 27-A Print image main scanning direction image
magnification ratio automatic adjustment
1) Enter the SIM50-28 mode.
2) Select [BK-MAG ADJ] with the key button.
3) Select the paper feed tray with paper in it with the key button.
(Any paper size will do.)
4) Press [EXECUTE] key.
The adjustment pattern is printed out.
5) Set the adjustment pattern on the document table. (Any direc-
tion)
Note: Fit the adjustment pattern correctly with the document
guide.
6) Press...

MX-2300/2700 N/G  ADJUSTMENTS  6 – 62 5) Press [EXCUTE] key.
The adjustment pattern is printed out.
6) Set the adjustment pattern on the document table. (Any direc-
tion)
Note: Fit the adjustment pattern correctly with the document
guide.
7) Press [EXCUTE] key.
The following items are automatically adjusted.
* Print image lead edge image position adjustment
* Print image off-center adjustment
8) Press [OK] key.
The adjustment result becomes valid.
Perform procedures 4) to 7) for each paper feed tray....

MX-2300/2700 N/G  SIMULATION  7 – 1 MX2700N
Service Manual [7] SIMULATION
1. General
There are the following simulation functions for grasping the
machine operating conditions, troubleshooting, early detection of
trouble causes, speedy setting and adjustments, and improve-
ments in servicing.
1) Various adjustments
2) Setting of the specifications and functions
3) Canceling troubles
4) Operation check
5) Counters check, setting, clear
6) Machine operating conditions (operation hysteresis), data
check,...

MX-2300/2700 N/G  SIMULATION  7 – 2 Basic operation flowchart
YES
NO
NOYES
YES
YES NO
NO
NO YES
NO
YESYES NO NOYES YESNOStandby for entry of SIM
sub code
Enter SIM sub code with
the 10-key.
Press the START button.
The display is made according
to the selected mode and the item.START (Copy mode)
Press the Program key.
Press the asterisk (*) key.
Press the clear key.
Press the Program key.
Standby for entry of
SIM code.
Enter the main code of
SIM with the 10-key.
The main code of SIM
is displayed.
Press...

MX-2300/2700 N/G  SIMULATION  7 – 3
2. List of simulation codes
Code
Function (Purpose) Section Purpose
Main Sub
1 1 Used to check the operations of the scanner unit and its control circuit. Optical (Image scanning) Operation test/check
2 Used to check the operation of sensor and detector in the scanning (read) 
section and the related circuit.Optical (Image scanning) Operation test/check
5 Used to check the operations of the scanner unit. Optical (Image scanning) Operation test/check
2 1 Used to check...

MX-2300/2700 N/G  SIMULATION  7 – 4
22 10 Used to check the system configuration (option, internal hardware).  – Adjustment/Setup/Operation 
data check
11 Used to check the use frequency (send/receive) of FAX. (Only when FAX is 
installed)FAX Adjustment/Setup/Operation 
data check
12 Used to check the RSPF misfeed positions and the number of misfeed at each 
position. (When the number of misfeed is considerably great, it can be judged as 
necessary for repair.)RSPF Adjustment/Setup/Operation 
data check...