After toner spilled inside the imageCLASS model MF3110, I took it for cleaning. Upon start up, it printed all black pages. So, they took it apart again to check connections & alignments. Now, the printer receives the print job, but won't print. The repairman said the printer has unknown "problems". I see the document leave the computer print queue (also, the scanner will copy) & the print job displays in the printer LCD, but no printout. No error codes. No normal printer sounds of the motor, gears, paper pickup, etc.
Per the manual, I performed DRAM TEST, no errors; PRINT TEST, selected “BLK”, & “00000” displayed in LCD, no printout; selected PRINT TEST again, then selected “ENDUR”, & “00000” displayed in LCD, no printout. Attempted SENSOR TEST and LCD shows: 6-3 : SENSOR [1]---[4]. No response when selecting 1, 2, or 3 to test the sensors. Nothing happens! All Operation Panel tests are ok.
Please help me determine why the print mechanism won't activate.
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