Lexmark C736 Service Manual
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Diagnostic information2-45 5026 Go Back Previous Next 2Remove the right cover. See “Right cover removal” on page 4-37. Check the cartridge motor 1/fuser motor cable (A0 for proper connection to the EP drive assembly, for pinch points for the cable, or damage to the cable or connector. Is either cable damaged?Replace the cartridge motor 1/fuser motor cable. See “Cartridge motor 1/ fuser cable removal” on page 4-62.Go to step 3. 3Measure the resistance across fuse F7 on the system board. Is the fuse blown? Replace the system board. See “System board removal” on page 4-153.Replace the EP drive assembly. See “Electrophotographic (EP) drive assembly removal” on page 4-82. Step Questions / actions Yes No 1JSB1JBIN1 JFAN1JFUSER1 JBOR1JHVPS1 JMIRR1JBLW1 JCVR1 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
2-46Service Manual 5026 Go Back Previous Next 144.xx—Motor (EP drive assembly middle cartridge) error service check Step Questions / actions Yes No 11. Turn the printer off. 2. Remove the rear frame cover. See “Rear frame cover removal” on page 4-33. 3. Check the cables in connector JCARTP2 and JCARTS2 (A) (cartridge motor 2/3 cable) for proper connection to the system board, for cable pinch points, and for any other damage to the cable or connector. Is the cable damaged?Replace cartridge motor 2/ 3 cable. See “Cartridge motor 2/3 cable removal” on page 4-64.Go to step 2. 2Remove the right cover. See “Right cover removal” on page 4-37. Check the cartridge motor 2/3 cable for proper connection to the EP drive assembly, pinch points for the cable, or damage to the cable or connector (A). Is either cable damaged?Replace the cartridge motor 2/3 cable. See “Cartridge motor 2/3 cable removal” on page 4-64. 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 B
Diagnostic information2-47 5026 Go Back Previous Next 145.xx—Motor (EP drive assembly bottom cartridge) error service check 3Measure the resistance across fuse F9 on the system board. Is the fuse blown? Replace the system board. See “System board removal” on page 4-153.Replace the EP drive assembly. See “Electrophotographic (EP) drive assembly removal” on page 4-82. Step Questions / actions Yes No 11. Turn the printer off. 2. Remove the rear frame cover. See “Rear frame cover removal” on page 4-33. 3. Check the cables in connector JCARTP2 (A) and JCARTS2 (B) (cartridge motor 2/3 cable) for proper connection to the system board, for cable pinch points, and for any other damage to the cable or connector. Is the cable damaged?Replace cartridge motor 2/ 3 cable. See “Cartridge motor 2/3 cable removal” on page 4-64.Go to step 2. Step Questions / actions Yes No 1JSB1JBIN1 JFAN1JFUSER1 JBOR1JHVPS1 JMIRR1JBLW1 JCVR1 JLVPS2 JCARTP1 JCARTS1 JCARTS2 JCARTP2 JDVR1 JDVR1 JTPS1 JOPT1 JFDS1 JINT1 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 1J1011A 1JSB1JBIN1 JFAN1JFUSER1 JBOR1JHVPS1 JMIRR1JBLW1 JCVR1 JLVPS2 JCARTP1 JCARTS1 JCARTS2 JCARTP2 JDVR1 JDVR1 JTPS1 JOPT1 JFDS1 JINT1 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 B
2-48Service Manual 5026 Go Back Previous Next 146.xx, 148.xx—Motor (MPF/duplex) error service check 2Remove the right cover. Check the cartridge motor 2/3 cable for proper connection to the EP drive assembly, pinch points for the cable, and damage to the cable or connector (A). Is either cable damaged?Replace the cartridge motor 2/3 cable. See “Cartridge motor 2/3 cable removal” on page 4-64. Go to step 3. 3Measure the resistance across fuse F10 on the system board. Is the fuse blown? Replace the system board. See “System board removal” on page 4-153.Replace the EP drive assembly. See “Electrophotographic (EP) drive assembly removal” on page 4-82. Step Questions / actions Yes No 1Is the front door assembly damaged? Replace the front door assembly. See “Front door assembly removal” on page 4-93.Go to step 2. Step Questions / actions Yes No 1JSB1JBIN1 JFAN1JFUSER1 JBOR1JHVPS1 JMIRR1JBLW1 JCVR1 JLVPS2 JCARTP1 JCARTP1 JCARTS1 JCARTS1 JCARTS2 JCARTS2 JCARTP2 JCARTP2 JDVR1 JTPS1 JTPS1 JOPT1 JFDS1 JINT1 JINT1 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 information2-49 5026 Go Back Previous Next 2Is the multipurpose feeder damaged? Replace input tray. 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. Check the cable in connector JDX1 (A) (MP feeder/duplex motor cable) 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 MPF/duplex motor cable. See “Multipurpose feeder (MPF)/duplex motor cable removal” on page 4-121. Go to step 4. 4Remove the right cover. See “Right cover removal” on page 4-37. Check the MP feeder/duplex motor cable for proper connection to the MPF/duplex motor, pinch points for the cable, and damage to the cable or connector. Is either cable damaged?Replace the MPF/duplex motor cable. See “Multipurpose feeder (MPF)/duplex motor cable removal” on page 4-121.Go to step 5. Step Questions / actions Yes No 1JSB1JBIN1 JFAN1JFUSER1 JBOR1JHVPS1 JMIRR1JBLW1 JCVR1 JLVPS2 JCARTP1 JCARTS1 JCARTS2 JCARTP2 JDVR1 JTPS1 JOPT1 JFDS1 JINT1 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 JTLBT1 JPH1 F5F6F7 F9 F10F12F13F141 1J1011 A
2-50Service Manual 5026 Go Back Previous Next 147.xx, 920.01—POST (power-on self test) aligner error service check 5Check the MPF/duplex gear assembly for damage. Do the gears turn freely, and are they free of damage?Go to step 6. Replace the MPF/duplex gear assembly. See “Multipurpose feeder (MPF)/duplex gear and housing removal” on page 4-116. 6Measure the resistance across fuse F5 (A) on the system board. Is the fuse blown?Replace the system board. See “System board removal” on page 4-153.Replace the MPF/duplex motor. See “Multipurpose feeder (MPF)/duplex motor assembly removal” on page 4-118. Step Questions / actions Yes No 11. Turn the printer off. 2. Remove the rear frame cover. See “Rear frame cover removal” on page 4-33. 3. Check the cable in connector JFPCK1 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 paper pick mechanism. See “Paper pick mechanism assembly removal” on page 4-127.Go to step 2. Step Questions / actions Yes No 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 JBOR1JHVPS1 JMIRR1 JMIRR1JBLW1 JCVR1 JLVPS2 JCARTP1 JCARTS1 JCARTS2 JCARTP2 JDVR1 JTPS1 JOPT1 JFDS1 JINT1 JFDPCK1JTRAY1JSEC1 JDX1 JT12J5 JDIMM1 JDIMM1JOPP1 JT1 JUSB1 JBOOT1 JFMUSB1 J49 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 information2-51 5026 Go Back Previous Next 155.xx—Cam motor error service check 2Check the cable in the connector JFDPCK1 for pinch points and for any other damage to the cable or connector. Is the cable damaged?Replace paper pick mechanism. See “Paper pick mechanism assembly removal” on page 4-127.Go to step 3. 31. Disconnect the cable in connector JFDPCK1 and connect the cable from the new paper pick mechanism to JFDPCK1. 2. Bring the printer up in Diagnostics Menu (turn off the printer, press and hold and . and turn on the printer). 3. Select MOTOR TESTS, and press Select (). 4. Close the front cover. 5. Select Align Motor Test, and press Select (). Did you hear the align motor run?Replace the paper pick mechanism. See “Paper pick mechanism assembly removal” on page 4-127. Replace the system board. See “System board removal” on page 4-153. Step Questions / actions Yes No 11. Turn the printer off. 2. Remove the rear frame cover. See “Rear frame cover removal” on page 4-33. 3. Check the motor driver cable in connector JDVR1 on the system board for proper connection, for cable pinch points, and for any other damage to the cable or connector. Is the cable damaged?Replace the motor driver cable. See “Motor driver cable removal” on page 4-115.Go to step 2. 2Remove the right cover. See “Right cover removal” on page 4-37. Check the motor driver cable for proper connection to the EP drive assembly, pinch points for the cable, and damage for the cable or connector.[ Is either cable damaged?Replace the motor driver cable. See “Motor driver cable removal” on page 4-115. Go to step 3. Step Questions / actions Yes No 1JSB1JBIN1 JFAN1JFUSER1 JBOR1JHVPS1 JMIRR1JBLW1 JCVR1 JCVR1 JLVPS2 JLVPS2 JCARTP1 JCARTS1 JCARTS2 JCARTP2 JDVR1 JTPS1 JOPT1 JFDS1 JINT1 JFDPCK1JTRAY1JSEC1 JDX1 JT12J5 JDIMM1JOPP1 JOPP1 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
2-52Service Manual 5026 Go Back Previous Next 3Check the transport motor cable from the cam motor to the motor driver card for poor connections or damage. Is the cable damaged?Replace the transport motor cable. See “Transport cable removal” on page 4-170.Go to step 4. 4Measure the resistance across fuses F12 (A) and F13 (B) on the system board. Is either fuse blown?Replace the system board. See “System board removal” on page 4-153.Go to step 5. 5Visually inspect the motor driver card. Is the motor driver card damaged?Replace the motor driver card. See “Motor driver cable removal” on page 4-115.Replace the EP drive assembly. See “Electrophotographic (EP) drive assembly removal” on page 4-82. Step Questions / actions Yes No
Diagnostic information2-53 5026 Go Back Previous Next 156.xx—COD (Color On Demand) motor service check Step Questions / actions Yes No 11. Turn the printer off. 2. Remove the rear frame cover. See “Rear frame cover removal” on page 4-33. 3. Check the cable in connector JBOR1 (A) on the system board for proper connection, for cable pinch points, and for any other damage to the cable or connector. Is the cable damaged?Replace the COD assembly. See “Color on demand assembly removal” on page 4-66.Go to step 2. 2Measure the resistance across fuse F12(A) on the system board. Is the fuse blown?Replace the system board. See “System board removal” on page 4-153.Go to step 3. 31. Disconnect the cable in connector JBOR1 (A), and then connect the cable from the new COD group assembly. 2. Bring the printer up in Diagnostics Menu (turn off the printer, press and hold and . and turn on the printer). 3. Select MOTOR TESTS, and press Select(). 4. Select COD, and press Select(). 5. Select Forward. If nothing happens, Select Reverse. Did the COD motor pass the test?Replace the COD assembly. See “Color on demand assembly removal” on page 4-66.Replace the system board. See “System board removal” on page 4-153. 1JSB1JBIN1 JFAN1JFUSER1 JBOR1JHVPS1 JMIRR1JBLW1 JCVR1 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 JBOR1JHVPS1 JMIRR1JBLW1 JCVR1 JLVPS2 JCARTP1 JCARTS1 JCARTS2 JCARTP2 JDVR1 JTPS1 JOPT1 JFDS1 JINT1 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 JTLBT1 JPH1 F5F6F7 F9 F10F12F13F141 1J1011A 1JSB1JBIN1 JFAN1JFUSER1 JBOR1JHVPS1 JMIRR1JBLW1 JCVR1 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
2-54Service Manual 5026 Go Back Previous Next 160.xx, 161.xx—Motor Error (option tray 2) service check Step Questions / actions Yes No 11. Turn the printer off. 2. Reseat option tray 2. 3. Bring the printer up in Diagnostics Menu (turn off the printer, press and hold and . and turn on the printer). 4. Select PRINT TESTS, and press Select(). 5. Select the Tray 2, and press Select(). 6. Select Single, and press Select(). Did the page print?Problem resolved. 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 option cable in connector JOPT1 (A) on the system board for proper connection, for cable pinch points, and for 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. 3Remove the right cover. See “Right cover removal” on page 4-37. Check the option cable for pinch points and any damage. Is the cable damaged?Replace the option cable. See “Option cable removal” on page 4-125. Go to step 4. 4Is the option tray 2 the high-capacity input tray (2,000-sheet feeder)?Replace the HCIT top plate assembly. See “Top plate assembly removal” on page 4-204.Replace the option tray 2 assembly. 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