Lexmark C736 Service Manual
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Diagnostic information2-35 5026 Go Back Previous Next 959.00–959.05 Engine Code ErrorInvalid engine code • POR the printer. • If the error message persists, download the engine code again. • POR the printer again. • If the error message persists, replace the system board. See “System board removal” on page 4-153. 959.20–959.28 System FailureSystem board failure. • POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-153. 960.00—960.99 Memory ErrorMemory failure. • POR the printer. • If the error message persists, RAM soldered on board is bad. Replace the system board. See “System board removal” on page 4-153. 961.00–961.99 Memory FailureMemory failure. • POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-153. 962.00–962.99 Memory FailureMemory failure. • POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-153. 963.00–963.99 Memory FailureMemory failure. • POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-153. 964.00–964,88 Emulation ErrorDownload emulation CRC error. • POR the printer. • If the error message persists, download code a second time. 975.00–975.99 Network ErrorUnrecognized network port. Contact your next level of support. 976.00–976.99 Network ErrorUnrecoverable software error in network port.Contact your next level of support. 978.00–978.99 Network ErrorBad checksum while programming network portContact your next level of support. 979.00–979.99 Network ErrorFlash parts failed while programming network port.Contact your next level of support. 980.00–980.99 Communications ErrorUnreliable communications with specified device.• POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-153. 981.00–981.99 Communications ErrorProtocol violation by specified device. • POR the printer. • If the error persists, replace the system board. See “System board removal” on page 4-153. 982.00–982.12 Communications ErrorCommunications error by specified device.1. Turn the power off. 2. Remove, and reinstall the output option. 3. Turn the main power back on. 4. Check all output option interface connections if the problem remains. Error code Description Action
2-36Service Manual 5026 Go Back Previous Next 983.00–983.99 Communications ErrorInvalid command parameter by specified device.• POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-153. 984.00–984.99 Communications ErrorInvalid command parameter by specified device.• POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-153. 990.00—990.29 Option ErrorContact your next level of support. 991.00–991.29 ErrorSpecified device has detected an error.• POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-153. 1565 Emul Error Load Emul Option In IRsThe DLE version contained in the firmware card will not function with the printer code. The message automatically clears in 30 seconds and the DLE is disabled. Download the correct version of the DLE. Error code Description Action
Diagnostic information2-37 5026 Go Back Previous Next Service checks 110.xx—Mirror motor service check Step Questions / actions Yes No 1View the Event Log: 1. Turn off the printer, press and hold and and turn on the printer. 2. Select EVENT LOG, and press Select(). 3. Select Display Log, and press Select(). Has an 110.xx error occurred three times or more?Replace the printhead. See “Printhead removal, installation, and adjustment” on page 4-135. Go to step 2. 2Turn the printer off, and then remove the rear frame cover. See “Rear frame cover removal” on page 4-33. Check the cable in connector JMIRR1 (A) for proper connection to the system board, the printhead cable for pinch points, and the cable or connector for any other damage. Is the cable damaged?Replace the printhead. See “Printhead removal, installation, and adjustment” on page 4-135.Go to step 3. 3Measure the resistance across fuse F6 (A) on the system board. Is the fuse blown?Replace the system board. See “System board removal” on page 4-153. Go to step 4. 4Perform the printhead verification to check whether the new printhead will solve the problem. See “Printhead verification” on page 3-35. Perform the Mirror Motor Test. See “Mirror Motor Test” on page 3-18. Did the Mirror Motor pass the test?Replace the printhead. See “Printhead removal, installation, and adjustment” on page 4-135.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 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
2-38Service Manual 5026 Go Back Previous Next 111.xx, 112.xx, 113.xx, and 114.xx—Printhead error service check Step Questions / actions Yes No 1View the Event Log: 1. Turn off the printer, press and hold and . and turn on the printer 2. Select EVENT LOG, and press Select(). 3. Select Display Log, and press Select(). Has an 111.xx,112.xx, 113.xx, or 114.xx error occurred three times or more?Replace the printhead. See “Printhead removal, installation, and adjustment” on page 4-135. Go to step 2. 2Turn the printer off, and then remove the rear frame cover. See “Rear frame cover removal” on page 4-33. Check the cable in connector JPH1 (A) (5 V interlock switch 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 5 V interlock switch. See “5 V interlock switch cable removal” on page 4-45.Go to step 3. 3Measure the resistance across fuse F13 (A) on the system board. Is the fuse blown?Replace the system board. See “System board removal” on page 4-153.Go to step 4. 4Perform the printhead verification to check whether the new printhead solves the problem. See “Printhead verification” on page 3-35. Perform the Servo Laser Test. See “Servo Laser Test” on page 3-18. Did the printhead motor pass the test?Replace the printhead. See “Printhead removal, installation, and adjustment” on page 4-135.Replace the system board. See “System board removal” on page 4-153. 1JSB1JBIN1 JFAN1JFUSER1 JBOR1JHVPS1 JMIRR1JBLW1 JBLW1 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 information2-39 5026 Go Back Previous Next 120.xx—Fuser error service check Step Questions / actions Yes No 1Check the input voltage switch on the back of the low-voltage power supply (LVPS). Note: Some LVPS FRU do not have switches and switch automatically. If your does not have a switch, go to step 2. Is the voltage level (115 V/230 V) properly set?Go to step 2. Set the switch for the proper country voltage. 21. Remove the fuser. See “Fuser removal” on page 4-104. 2. Check the AC and DC autoconnects on both the fuser and the printer for damage. Are the connections damaged?Replace the appropriate cable. See “Fuser AC cable removal” on page 4-105 or “Fuser DC cable removal” on page 4-106.Go to step 3. 3Replace the fuser. See “Fuser removal” on page 4-104. Does the error clear? Problem resolved. Go to step 4. A 230 Fuser autoconnects DC autoconnect AC autoconnect On printer
2-40Service Manual 5026 Go Back Previous Next 4Remove the rear frame cover. See“Rear frame cover removal” on page 4-33. Check the cable in connector JFUSER1 (A) (fuser DC 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 fuser DC cable.See “Fuser DC cable removal” on page 4-106.Go to step 5. 5Check the cable in connector JLVPS2 (A) 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 LVPS. See “Low-voltage power supply (LVPS) removal” on page 4-112.Go to step 6. 6Measure the resistance across fuse F6 on the system board. Is the fuse blown?Replace the system board. See “System board removal” on page 4-153. Go to step 7. 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 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 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 information2-41 5026 Go Back Previous Next 7Check for the following continuity between the DC autoconnect JFUSER1 on the system board. Is continuity present?Go to step 8. Replace the fuser DC cable. See “Fuser DC cable removal” on page 4-106. 8Check for continuity between the following pins of the AC autoconnect and the pins of the connector that connects to the LVPS. Is continuity present?Replace the system board. See “System board removal” on page 4-153.Replace the fuser AC cable. See “Fuser AC cable removal” on page 4-105. Step Questions / actions Yes No DC auto- connectJFUSER1 Pin 9 Pin 9 Pin 10 Pin 10 LVPS connectAC Auto- connect Pin 1 Pin 5 Pin 3 Pin 1
2-42Service Manual 5026 Go Back Previous Next 140.xx, 920.02—Autocomp (tray 1) motor error service check Step Questions / actions Yes No 1Turn the printer off, and then remove the rear frame cover. See “Rear frame cover removal” on page 4-33. Check the cable in connector JFDPCK1 (A) 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. 2Measure 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 3. 31. Disconnect the cable in the connector JFDPCK1. 2. Connect the cable for the new paper pick mechanism. 3. Select PRINT TESTS, and press Select (). 4. Select Tray 1 and press Select (). 5. Select Single, and press Select (). Does the new pick motor turn before the feed error occurred?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. 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 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 information2-43 5026 Go Back Previous Next 142.xx, 906.01–906.04—Motor (fuser) 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 connectors JCARTP1 (A) and JCARTS1 (B) (cartridge motor 1/ fuser motor cable) for proper connection to the system board, for cable pinch points, and for any other damage to the cable or connectors. Is either cable damaged?Replace the cartridge motor1/fuser motor cable. See “Cartridge motor 1/ fuser cable removal” on page 4-62. Go to step 2. 2Remove the right cover. See “Right cover removal” on page 4-37. Check the cartridge motor 1/fuser motor cable for proper connection to the EP drive assembly (A), for pinch points for the cable, and for cable or connector damage. 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. 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
2-44Service Manual 5026 Go Back Previous Next 143.xx—Motor (EP drive assembly top cartridge 1 motor) error service check 3Measure the resistance across fuse F6 (A) on the system board. Is the fuser 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 cable in connector JCARTP1 (A) and JCARTS1 (B) (cartridge motor 1/ fuser motor cable) for proper connection to the system board, for the cable for pinch points, and for the cable or connector for any other damage. Is the cable damaged?Replace the cartridge motor 1/fuser cable. See “Cartridge motor 1/fuser cable removal” on page 4-62.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 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