MX-C250, MX-C250E, MX-C250F, MX-C250FE, MX-C250FR, MX-C300F, MX-C300W, MX-C300WE, MX-C300A, MX-C300WR (serv.man74). Bulletin for ROM Update 01.10.E1.00 - Sharp Copying Equipment Technical Bulletin (repair manual). Page 3

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No. Item 
Details 
21 Printer 
When CMYK Simulation is ON, the specific image occasionally collapsed.      This 
problem has been corrected.
 
22 Printer 
If the timing of sending the print job coincides with the timing of redisplaying the WEB 
screen, PRI jam occurs.    This problem has been corrected. 
23 Printer 
Print data with single page/multiple set being specified is printed out with duplex.    This 
problem has been corrected. 
24 Main 
unit 
Modification has been made to reduce the noise due to FAN factor by changing the 
control sequence of each FAN. 
25 Main 
unit 
Machine locks up, displaying "Warming Up." and cannot be in Ready.     
This problem is corrected. 
26 Main 
unit 
After the machine stops due to JAM with FAX job and then JAM is cleared, when printing 
another job within 4 pages, the blank page will be output.    This problem has been 
corrected.  
27  Main unit 
When using IE10, Device Cloning will be unavailable. 
28 Main 
unit 
If the job mode which is set changes in the course of the job, DRUMJAM will occasionally 
occur.    This problem has been corrected. 
29 Main 
unit 
If the security setting and IP filter setting are set up, the machine will occasionally lock 
up.    This problem has been corrected. 
30 Main 
unit 
There are some cases where the machine cannot process the job requested during the 
transition to Power Save Mode.    This problem has been corrected. 
31 Main 
unit 
If the operation of entering to/recovering from Power Save Mode is repeated, the amount 
of the usable memory will be decreasing.    This problem has been corrected.   
32 Main 
unit 
If the operation of entering to/recovering from Power Save Mode is repeated, the 
displayed time will gain approx. average of 0.5-sec.    This problem has been corrected. 
33 Main 
unit 
In some cases, U2-00 will appear at start up of the machine.    This problem has been 
corrected. 
34 Main 
unit 
In some cases, the void areas at the leading edge will be gone when printing in B/W 
mode.    This problem has been corrected. 
35 Main 
unit 
In some cases, the machine is recovering from Power Save Mode although no one did 
anything.    This problem has been corrected. 
36  Main unit 
Modification has been made to indicate Total Count in B/W and Color separately. 
37 
Main unit 
Modification has been made to change the gear ratio for reducing RSPF noise. 
38  Wireless 
Modification has been made to indicate the wireless LAN with radio field strength. 
39 Wireless 
Modification has been made to send the packets regularly when the wireless 
infrastructure mode is selected so that the wireless connection to the access point will 
not be disconnected. 
40 Wireless 
On the wireless access point mode, IP which is out of the bound will be assigned to the 
slave device.    This problem has been corrected. 
 
 
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