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Action
Yes
No
Step 3
Replace the UICC. Go to
Did this fix the problem?
The problem is
solved.
Go to step 4.
Step 4
Replace the controller board. Go to
Did this fix the problem?
The problem is
solved.
Contact the next
level of support.
Control panel service check
Warning—Potential Damage:
Do not replace the operator panel and controller board at the same time. Each
card contains the printer settings. When either of these cards is new, it obtains some of the settings from the
other card. Settings are lost when both are new and replaced at the same time.
Action
Yes
No
Step 1
Check the UICC cable for proper connection to the UICC and to
the controller board.
Are they properly connected?
Go to step 2.
Reseat the cable.
Step 2
Is the control panel display blank?
Go to step 3.
The problem is
solved.
Step 3
Replace the UICC. Go to
Did this fix the problem?
The problem is
solved.
Replace the
controller board. Go
to
Toner starvation service check
Action
Yes
No
Step 1
a
Check if the toner cartridge is a supported and genuine
Lexmark supply. If not, then replace it.
b
Make sure that the toner cartridge is properly installed.
c
Check the toner cartridge and toner cartridge button for
damage. Replace if necessary.
d
Make sure that the latest firmware is installed.
Does the problem remain?
Go to step 2.
The problem is
solved.
4514-330
Diagnostics and troubleshooting
155
Summary of Contents for MS312
Page 11: ...Part number index 335 Part name index 339 4514 330 Table of contents 11 ...
Page 12: ...4514 330 Table of contents 12 ...
Page 182: ...4514 330 182 ...
Page 214: ...5 Remove the three screws B and then remove the left front mount B 4514 330 Parts removal 214 ...
Page 230: ...5 Remove the four screws B and then remove the right front mount B 4514 330 Parts removal 230 ...
Page 234: ...b Set the spring over the plunger 4514 330 Parts removal 234 ...
Page 240: ...3 Squeeze the latches B to release the left and right links B 4514 330 Parts removal 240 ...
Page 267: ...11 Disconnect the two springs D D 4514 330 Parts removal 267 ...
Page 284: ...3 Swing the right cover backward to remove 4 Remove the screw D 4514 330 Parts removal 284 ...
Page 286: ...4514 330 286 ...
Page 291: ...4514 330 291 ...
Page 293: ...Assembly 1 Covers 4514 330 Parts catalog 293 ...
Page 295: ...Assembly 2 Electronics 1 1 2 3 4 5 7 8 9 6 4514 330 Parts catalog 295 ...
Page 297: ...Assembly 3 Electronics 2 4 3 2 1 6 5 4514 330 Parts catalog 297 ...
Page 299: ...4514 330 Parts catalog 299 ...
Page 300: ...Assembly 4 Frame 2 5 6 9 10 11 13 14 12 8 1 4 4 3 7 4514 330 Parts catalog 300 ...
Page 302: ...4514 330 Parts catalog 302 ...
Page 303: ...Assembly 5 Option trays 3 4 5 6 1 2 4514 330 Parts catalog 303 ...
Page 306: ...4514 330 Parts catalog 306 ...
Page 308: ...4514 330 308 ...
Page 312: ...4514 330 312 ...
Page 314: ...4514 330 314 ...
Page 326: ...4514 330 326 ...
Page 338: ...4514 330 Part number index 338 ...
Page 342: ...4514 330 Part name index 342 ...