Lexmark C736 Service Manual
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Diagnostic information2-65 5026 Go Back Previous Next 81. Replace the fuser. See “Fuser removal” on page 4-104. 2. Bring the printer up in Diagnostics Menu (turn off the printer, press and hold and . and turn on the printer). 3. Select SENSOR TESTS, and press Select(). 4. Select Dynamic Sensors, and press Select(). 5. Select Fuser Exit, and press Select(). 6. Open the front access door and top access cover. 7. Activate the fuser exit sensor. 8. Did the fuser exit sensor change from Open to Closed?Problem resolved. Replace the system board. See “Fuser removal” on page 4-104. Step Questions / actions Yes No
2-66Service Manual 5026 Go Back Previous Next 230.03, 230.05—Paper Jam error service check Step Questions / actions Yes No 1Is the paper fan-folded? Replace the front door assembly. See “Front door assembly removal” on page 4-93. Go to step 2. 21. Turn the printer off 2. Remove the rear frame cover. See “Rear frame cover removal” on page 4-33. 3. Check the MPF/duplex motor cable in connector JDX1 (A) for proper connection to the system board, cable pinch points, and any other damage to the cable or connector. Is the cable damaged?Replace the fuser DC cable. See “Fuser DC cable removal” on page 4-106. Go to step 3. 3Measure the resistance across fuse F13 on the system board. Is the fuse blown?Replace the system board. See “System board removal” on page 4-153. Go to step 4. 4Is the front door assembly damaged? Replace the front door assembly. See “Front door assembly removal” on page 4-93. Go to step 5. 1JSB1JBIN1 JFAN1JFUSER1 JBOR1JHVPS1 JMIRR1JBLW1 JCVR1 JLVPS2 JCARTP1 JCARTS1 JCARTS2 JCARTP2 JDVR1 JTPS1 JOPT1 JFDS1 JINT1 JFDPCK1JTRAY1JSEC1 JDX1 JT12J5 JDIMM1JOPP1 JT1 JUSB1 JBOOT1 JFMUSB1 J49 JTWF1 JTDBUG1 1111 11 1 11 1 1 1 1 1 1 1 1 1 11 1 1111 JTLBT1 JPH1 F5F6F7 F9 F10F12F13F141 1J1011 A 1JSB1JBIN1 JFAN1JFUSER1 JFUSER1 JBOR1JHVPS1 JMIRR1JBLW1 JCVR1 JCVR1 JLVPS2 JCARTP1 JCARTS1 JCARTS2 JCARTP2 JDVR1 JTPS1 JOPT1 JFDS1 JINT1 JFDPCK1 JFDPCK1JTRAY1JSEC1 JDX1 JT12J5 JDIMM1JOPP1 JT1 JUSB1 JBOOT1 JFMUSB1 JFMUSB1 J49 JTWF1 JTDBUG1 1111 11 1 11 1 1 1 1 1 1 1 1 1 11 1 1111 JTLBT1 JPH1 F5F6F7 F9 F10F12F13F141 1J1011 A
Diagnostic information2-67 5026 Go Back Previous Next 5Check the MPF/duplex gear assembly for damage. Are the gears damaged?Replace the MPF/duplex gear assembly. See “Multipurpose feeder (MPF)/duplex gear and housing removal” on page 4-116. Go to step 6. 6Replace the MPF/duplex motor assembly. See “Multipurpose feeder (MPF)/duplex motor assembly removal” on page 4-118. Does the error clear?Problem resolved. Go to “Input sensor service check” on page 2-128. Step Questions / actions Yes No
2-68Service Manual 5026 Go Back Previous Next 242.02—Paper Jam service check Step Questions / actions Yes No 1Has paper been fed from an input option before?Go to step 4. Go to step 2. 21. Turn the printer off. 2. Remove the rear frame cover. See “Rear frame cover removal” on page 4-33. 3. Remove the right cover. See “Right cover removal” on page 4-37. 4. Check the cable in connector JOPT1 (A) for proper connection to the system board, cable pinch points, and any other damage to the cable or connector. Is the cable damaged?Replace the option cable. See “Option cable removal” on page 4-125. Go to step 3. 3Carefully lift the printer off the option, and lay the printer on its back. Check the option connector for damage. Is the option cable connector or cable damaged?Replace the option cable. See “Option cable removal” on page 4-125.Go to step 4. 4Replace the complete tray 2 option. Does the error clear?Problem resolved. Replace the system board. See “System board removal” on page 4-153. 1JSB1JBIN1 JFAN1JFUSER1 JBOR1 JBOR1JHVPS1 JHVPS1 JMIRR1JBLW1 JCVR1 JLVPS2 JCARTP1 JCARTS1 JCARTS2 JCARTP2 JDVR1 JTPS1 JOPT1 JFDS1 JINT1 JFDPCK1JTRAY1JSEC1 JDX1 JT12J5 JDIMM1 JDIMM1JOPP1 JT1 JUSB1 JBOOT1 JFMUSB1 J49 JTWF1 JTDBUG1 JTDBUG1 1111 11 1 11 1 1 1 1 1 1 1 1 1 11 1 1111 JTLBT1 JPH1 F5F6F7 F9 F10F12F13F141 1J1011 A
Diagnostic information2-69 5026 Go Back Previous Next 242.03, 242.11—Paper Jam service check Step Questions / actions Yes No 11. Bring the printer up in Diagnostics Menu (turn off the printer, press and hold and . and turn on the printer). 2. Select PRINT TESTS, and press Select(). 3. Select a tray below tray 2, and press Select() 4. Select Single, and press Select(). Did the page feed correctly?Problem resolved. Go to step 2. 21. Turn the printer off. 2. Open the front access door, and turn the transport belt gear clockwise. Did the transport belt move?Go to step 3. Replace the transport belt. See “Transfer module removal” on page 4-168 31. Bring the printer up in Diagnostics Menu (turn off the printer, press and hold and . and turn on the printer). 2. Select MOTOR TESTS, and press Select(). 3. Select Align Motor Test, and press Select(). Can you hear the align motor run?Go to step 4. Replace the paper pick mechanism. See “Paper pick mechanism assembly removal” on page 4-127. 4Is tray 2 a high-capacity input tray (2,000- sheet feeder)?Replace the HCIT top plate. See “Top plate assembly removal” on page 4-204. Replace the entire tray 2 option.
2-70Service Manual 5026 Go Back Previous Next 242.05—Paper Jam service check Step Questions / actions Yes No 1Has the paper been fed from an input option before?Go to step 5. Go to step 2. 21. Bring the printer up in Diagnostics Menu (turn off the printer, press and hold and . and turn on the printer). 2. Select PRINT TESTS, and press Select(). 3. Select a tray below tray 2, and press Select(). 4. Select Single. Did the page feed correctly?Problem resolved. Go to step 3. 31. Turn the printer off. 2. Remove the rear frame cover. See “Rear frame cover removal” on page 4-33. 3. Remove the right cover. See “Right cover removal” on page 4-37. 4. Check the cable in connector JOPT1 (A) for proper connection to the system board, cable pinch points, and any other damage to the cable or connector. Is the cable damaged?Replace the option cable. See “Option cable removal” on page 4-125. Go to step 4. 1JSB1JBIN1 JFAN1JFUSER1 JBOR1JHVPS1 JMIRR1JBLW1 JCVR1 JLVPS2 JCARTP1 JCARTS1 JCARTS2 JCARTP2 JDVR1 JTPS1 JOPT1 JFDS1 JINT1 JFDPCK1JTRAY1JSEC1 JDX1 JT12J5 JDIMM1JOPP1 JT1 JUSB1 JBOOT1 JFMUSB1 J49 JTWF1 JTDBUG1 1111 11 1 11 1 1 1 1 1 1 1 1 1 11 1 1111 JTLBT1 JPH1 F5F6F7 F9 F10F12F13F141 1J1011 A
Diagnostic information2-71 5026 Go Back Previous Next 242.10—Paper Jam service check 4Carefully lift the printer off the option, and lay the printer on its back. Check the option connector for damage. Is the connector damaged?Replace the option cable. See “Option cable removal” on page 4-125.Go to step 5. 5Is tray 2 a high-capacity input tray (2,000- sheet feeder)?Go to step 7. Go to step 6. 6Replace the tray 2 option. Does the error clear?Problem resolved. Replace the system board. See “System board removal” on page 4-153. 7Replace the HCIT top plate. See “Top plate assembly removal” on page 4-204.Problem resolved. Replace the system board. See “System board removal” on page 4-153. Step Questions / actions Yes No 11. Bring the printer up in Diagnostics Menu ((turn off the printer, press and hold and . and turn on the printer). 2. Select PRINT TESTS, and press Select(). 3. Select a tray below tray 2, and press Select(). 4. Select Single, and press Select(). Did the page print correctly?Problem resolved. Replace the complete tray 2 option. Step Questions / actions Yes No
2-72Service Manual 5026 Go Back Previous Next 242.17—Paper Jam service check Step Questions / actions Yes No 1Has paper been fed from an input option before?Go to step 4. Go to step 2. 21. Turn the printer off 2. Remove the rear frame cover. See “Rear frame cover removal” on page 4-33. 3. Remove the right cover. See “Right cover removal” on page 4-37. 4. Check the cable in connector JOPT1 (A) for proper connection to the system board, cable pinch points, and any other damage to the cable or connector. Is the cable damaged?Replace the option cable. See “Option cable removal” on page 4-125. Go to step 3. 3Carefully lift the printer off the option, and lay the printer on its back. Check the option connector for damage. Is the option cable connector or cable damaged?Replace the option cable. See “Option cable removal” on page 4-125.Go to step 4. 4Is tray 2 an high-capacity input tray (HCIT)? Replace the HCIT top plate. See “Top plate assembly removal” on page 4-204.Replace the complete tray 2 option. 1JSB1JBIN1 JFAN1JFUSER1 JBOR1JHVPS1 JMIRR1JBLW1 JCVR1 JLVPS2 JCARTP1 JCARTS1 JCARTS2 JCARTP2 JDVR1 JTPS1 JOPT1 JFDS1 JINT1 JFDPCK1JTRAY1JSEC1 JDX1 JT12J5 JDIMM1JOPP1 JT1 JUSB1 JBOOT1 JFMUSB1 J49 JTWF1 JTDBUG1 1111 11 1 11 1 1 1 1 1 1 1 1 1 11 1 1111 JTLBT1 JPH1 F5F6F7 F9 F10F12F13F141 1J1011 A
Diagnostic information2-73 5026 Go Back Previous Next 242.26—Paper Jam service check 242.27—Paper Jam service check Step Questions / actions Yes No 1Determine the input tray. 1. Bring the printer up in Diagnostics Menu ((turn off the printer, press and hold and . and turn on the printer). 2. Select PRINT TESTS, and press Select(). 3. Select the tray you indicated, and press Select(). 4. Select Single, and press Select(). Did the page feed correctly?Problem resolved. Go to step 2. 2Is the tray 3 a high-capacity input tray (2,000- sheet feeder)?Replace the HCIT top plate. See “Top plate assembly removal” on page 4-204.Replace the complete tray 3 option. Step Questions / actions Yes No 11. Bring the printer up in Diagnostics Menu ((turn off the printer, press and hold and . and turn on the printer). 2. Select PRINT TESTS, and press Select(). 3. Select the tray below tray 2, and press Select(). 4. Select Single, and press Select(). Did the page feed correctly?Problem resolved. Go to step 2. 21. Turn the printer off. 2. Open the front access door. 3. Turn the transport belt gear clockwise. Did the transport belt move?Go to step 3. Replace the transport belt. See “Transfer module removal” on page 4-168. 31. Bring the printer up in Diagnostics Menu ((turn off the printer, press and hold and . and turn on the printer). 2. Select MOTOR TESTS, and press Select(). 3. Select Align Motor Test, and press Select(). Can you hear the align motor run?Replace the complete tray 2 option.Replace the paper pick mechanism. See “Paper pick mechanism assembly removal” on page 4-127.
2-74Service Manual 5026 Go Back Previous Next 242.29—Paper Jam service check 243.02—Paper Jam service check Step Questions / actions Yes No 11. Bring the printer up in Diagnostics Menu (turn off the printer, press and hold and . and turn on the printer). 2. Select PRINT TESTS, and press Select(). 3. Select Tray 5, and press Select(). 4. Select Single, and press Select(). Did the page feed correctly?Problem resolved. Go to step 2. 2Is tray 2 a high-capacity input tray (2,000- sheet feeder)?Replace the HCIT elevator up sensor. See “HCIT elevator motor with sensor removal” on page 4-198. Replace the complete tray 2 option. Step Questions / actions Yes No 1Has paper been fed from an input option before?Go to step 4. Go to step 2. 21. Turn the printer off. 2. Remove the rear frame cover. See “Rear frame cover removal” on page 4-33. 3. Remove the right cover. See “Right cover removal” on page 4-37. 4. Check the connector JOPT1 for proper connection to the system board, the cable for pinch points, and the cable or connector for any other damage. Is the cable damaged?Replace the option cable. See “Option cable removal” on page 4-125.Go to step 3. 1JSB1JBIN1 JFAN1JFUSER1 JBOR1JHVPS1 JMIRR1JBLW1 JCVR1 JLVPS2 JCARTP1 JCARTS1 JCARTS2 JCARTP2 JDVR1 JTPS1 JOPT1 JFDS1 JINT1 JFDPCK1JTRAY1JSEC1 JDX1 JT12J5 JDIMM1JOPP1 JT1 JUSB1 JBOOT1 JFMUSB1 J49 JTWF1 JTDBUG1 1111 11 1 11 1 1 1 1 1 1 1 1 1 11 1 1111 JTLBT1 JPH1 F5F6F7 F9 F10F12F13F141 1J1011 A