Lexmark C760 Service Manual

							
Diagnostic information2-5
  5060-4xx
Symptom table - 5-bin mailbox option
Symptom table - finisher (HCOF) option
Symptom Action
Printer fails to recognize the option is installed. Paper 
feeds into the standard bin. Go to 
“The printer does not recognize one or more 
output options as installed.” on page 2-99 .
Ready Bin  x Full displays and won’t clear Go to  “Ready bin x full message - may be able to 
clear message and will feed paper into bin 
selected.” on page 2-100
Bin  x is full but no message displays that Bin x is full “Bin x full - no message that bin x is full message” 
on page 2-100
271 Paper Jam appears, paper does not feed into the 
bin selected. Go to 
“Paper does not feed into the bin selected. 
271 Paper Jam - check bin  1 message” on 
page 2-101
Symptom Action
Check Finisher displayed, unable to clear message Go to  “Check Finisher displayed, unable to clear 
message” on page 2-117
Finisher is inoperative Go to  “Finisher is inoperative, or not recognized” 
on page 2-118
Front door is open and no error message appears Go to  “Front door is open, no indication on 
display” on page 2-119
Inoperative fan Go to  “Fan in finisher inoperative” on page 2-119
Full chad box, no message appears Go to  “No indication that the chad box is full, no 
message” on page 2-120
Chad Box Full message appears when box is not full Go to  “Chad Box Full message when chad box is 
not full” on page 2-120
Paper jams in the finisher (HCOF) option Go to  “2xx Paper Jams” on page 2-15. 
						

							
2-6Ser vice Manual
5060-4
xx   
Error code table
Error code Action
9xx service errors
900 RIP Software Error Go to “900 RIP Software Error” on page 2-83.
902 Service Engine Error 0 General Engine Software Errors 902 through 907 indicate an  unrecoverable engine software error. The system board may cause this 
type of error. Turn the printer off and on to try and clear the error code. If 
this does not fix the problem after several attempts, call your next level 
support before replacing the system board.
904 Engine Software Interface violation by RIP - Check all cabling and connections to the  system board. If no problem is found, replace the system board. See 
“System board” on page 4-72.
906  Engine  RAM Error Engine RAM Error - Replace the system board. See  “System board” on 
page 4-72 .
907 Engine Flash Error Engine Flash Error - The system board might be causing the error code.  Try the following:
Reflash the system board with the correct level code. If this does not fix 
the problem, replace the system board. See  “System board” on 
page 4-72 .
920 Color Calibrate Unrecoverable TPS Gain Error - Replace the ITU assembly. See  “ITU 
assembly” on page 4-44 .
921 Color Calibrate Unrecoverable TPS Error - Replace the ITU assembly. See  “ITU 
assembly” on page 4-44 .
922 Color Calibrate Unrecoverable TPS Invalid Belt - Replace the ITU assembly. See  “ITU 
assembly” on page 4-44 .
925 Fan Stalled Fuser fan - Go to  “925 error code” on page 2-85.
926 Fan Stalled VTB fan - Go to  “926 error code” on page 2-85.
927 Fan Stalled RIP Fan - Go to  “927 error code” on page 2-86.
930 LV Power Supply Unable to find zero crossover point - Replace the LVPS. See  “LVPS 
assembly” on page 4-46 .
931 LV Power Supply Invalid AC Frequency - The AC power line frequency may be incorrect.  Go to “AC power service check” on page 2-105 .
939 RIP Engine Comm The RIP processor cannot communicate with the engine processor.  Replace the system board. See “System board” on page 4-72.
940 TMC Error - Cyan Cyan TMC switch failure - Go to  “940 error code” on page 2-87.
941 TMC Error - Magenta Magenta TMC switch failure - Go to  “941 error code” on page 2-89.
942 TMC Error - Yellow Yellow TMC switch failure - Go to  “942 error code” on page 2-91.
943 TMC Error - Black Black TMC switch failure - Go to  “943 error code” on page 2-93.
953 NVRAM Failure NVRAM Chip Failure system board - Replace the paper size sensing  board. See “Paper size sensing board” on page 4-57 .
954 NVRAM Failure NVRAM CRC failure - Replace the paper size sensing board. See  “Paper size sensing board” on page 4-57 . 
						

							
Diagnostic information2-7
  5060-4xx
955 Code CRC < loc> System board - This error indicates that the Code ROM or NAND failed 
the CRC check. The location of the failure is indicated by < loc>. Replace 
the system board. See  “System board” on page 4-72 .
956 Service < xxxx>
System Board A four digit code displays <
xxxx>. Go to  “956 service error” on 
page 2-95 .
957 System Board ASIC Failure Replace the system board. See  “System board” on page 4-72.
958 NAND Failure Replace the system board. See  “System board” on page 4-72.
960  RAM Memory Error RAM soldered on board is bad. Replace the system board. See  “System 
board” on page 4-72 .
961  RAM Memory Error There is an error in the memory installed in the memory option slot on the  system board. If another memory option is available, switch the memory 
options to isolate the problem. If you do not have a spare memory option 
to switch, then replace the memory installed. If this does not fix the 
problem, replace the “System board” on page 4-72 .
964 Emulation Error Download emulation CRC failure has occurred. The following actions  may be taken:
1. Disable the Download Emulation
2. Program the download emulation into the code overlay SIMM, again.
3. If the problem is not resolved, replace the code overlay SIMM and  download emulation, again.
975 Standard Network
or
Network Card  x Unrecognizable network Errors 975 through 979 indicate a failure with 
the standard network port located on the system board or a network card 
in the specified slot 
x,  x=1, 2 or 3. Replace the card in the specified slot.
976 Standard Network Unrecoverable software or error in network for network card  x. If unable 
to clear the error message, check the following: 
 If installed, check network card for correct installation.
 If correctly installed, replace the network card. 
 If a network card is not installed, replace the system board.
978 Standard Network
or
Network Card  x  Bad checksum while programming network Network Card 
x port.
979 Standard Network
or
Network Card X Flash parts failed while programming Network Card 
x port.
980 < device > comm Engine is experiencing unreliable communications to the specified 
device.
Errors 980 through 984 indicate the specified device has detected a 
Paper Port communication failure.
981 < device > comm Engine protocol violation detected by the specified device.
Engine
 Duplex Option
Tray x (where  x=1,2,3,4, or 5)
982 < device > comm Communications error detected by the specified device.
Output Bin (where x=1,2,3,or 6)
Note : This message is used for single bin output devices.
Bins  x to 
y (where  x to  y= 1 to 5, 2 to 6, or 6 to 10)
Error code Action 
						

							
2-8Ser vice Manual
5060-4
xx   
983 < device > comm Invalid command received by the specified device. 
Note: This message is used for multiple bin output devices.
Note : Check the autoconnects above and below the failing option to 
make sure they are seated and connected correctly. Go to service check 
for the device indicated.
984 < device > comm Invalid command parameter received by the specified device.
990 < device > This error message indicates that an equipment check condition has 
occurred in the specified device, but the device is unable to identify the 
exact component failure. Go to  “For 990 Service Error - Tray x, x=Tray 
2, 3, 4 or 5, this is the tray that has a problem or needs service.” on 
page 2-96 .
Note :  can be one of the following:
 Duplex option
Tray  x (where  x=1,2,3,4, or 5)
 Output bin  x (where  x=1,2,3, or 6)
Note:  This message is used for single bin output devices.
Output bin  x to y (where  x=1 to 5, 2 to 6, or 6 to 20)
Note:  This message is used for multiple bin output devices. Go to the 
service check for the device indicated.
991 < device > System Card 
Failure This error message indicates that a device has detected an equipment 
check in its system board.
Note
:  can be one of the following;
 Duplex option
Tray  x (where  x=1,2,3,4 or 5)
 Output bin  x (where  x=1,2,3, or 6)
Note:  This message is used for single bin output devices.
 Output bin  x to  y (where  x=1 to 5, 2 to 6, or 6 to 20)
Note:  This message is used for multiple bin output devices. Go to the 
service check for the device indicated.
1xx service errors
100 ITU Error ITU stall - Go to  “100 ITU Error” on page 2-41.
101 ITU Error Invalid ITU memory - Replace  “ITU assembly” on page 4-44.
102 ITU Error ITU shorted thermistor - Replace  “ITU assembly” on page 4-44.
103 ITU Error Memory load error - Replace  “ITU assembly” on page 4-44.
104 ITU Error ITU 
belt tracking - Go to  “104 ITU Error” on page 2-44 .
106 Printhead Error Cyan printhead lost Hsync
Check for the correct installation of all the cables to the system board 
assembly and to the printhead assembly; J8, and J9 on the system 
board. Go to “System board” on page 5-8 . If the cables are connected 
correctly to the system board and to the printhead assembly, go to 
“Printhead diagnostics” on page 3-1 . 
Note:  Do not adjust or replace any printhead before performing checks in 
“Printhead diagnostics” on page 3-1 .
Error code Action 
						

							
Diagnostic information2-9
  5060-4xx
107 Printhead Error Magenta printhead lost Hsync Check for the correct installation of all the cables to the system board 
assembly and to the printhead assembly; J11 and J12 on the system 
board. Go to “System board” on page 5-8 . If the cables are connected 
correctly to the system board and to the printhead assembly, go to 
“Printhead diagnostics” on page 3-1 .
Note:  Do not adjust or replace any printhead before performing checks in 
“Printhead diagnostics” on page 3-1 .
108 Printhead Error Yellow printhead lost Hsync Check for the correct installation of all the cables to the system board 
assembly and to the printhead assembly; J7 and J8 on the system board. 
Go to “System board” on page 5-8 . If the cables are connected 
correctly to the system board and to the printhead assembly, go to 
“Printhead diagnostics” on page 3-1 .
Note:  Do not adjust or replace any printhead before performing checks in 
“Printhead diagnostics” on page 3-1 .
109 Printhead Error Black printhead lost Hsync Check for the correct installation of all the cables to the system board 
assembly and to the printhead assembly; J12 and J13 on the system 
board. Go to “System board” on page 5-8 . If the cables are connected 
correctly to the system board and to the printhead assembly, go to 
“Printhead diagnostics” on page 3-1 .
Note:  Do not adjust or replace any printhead before performing checks in 
“Printhead diagnostics” on page 3-1 .
110 Printhead Error No first Hysnc - cyan Check for the correct installation of all the cables to the system board 
assembly and to the printhead assembly; J8 and J9 on the system board. 
Go to “System board” on page 5-8 . If the cables are connected 
correctly to the system board and to the printhead assembly, go to 
“Printhead diagnostics” on page 3-1 .
Note:  Do not adjust or replace any printhead before performing checks in 
“Printhead diagnostics” on page 3-1 .
111 Printhead Error No first Hysnc - magenta Check for the correct installation of all the cables to the system board 
assembly and to the printhead assembly; J11 and J12 on the system 
board. Go to “System board” on page 5-8 . If the cables are connected 
correctly to the system board and to the printhead assembly, go to 
“Printhead diagnostics” on page 3-1 .
Note:  Do not adjust or replace any printhead before performing checks in 
“Printhead diagnostics” on page 3-1 .
112 Printhead Error No first Hysnc - yellow Check for the correct installation of all the cables to the system board 
assembly and to the printhead assembly; J7 and J8 on the system board. 
Go to “System board” on page 5-8 . If the cables are connected 
correctly to the system board and to the printhead assembly, go to 
“Printhead diagnostics” on page 3-1 .
Note:  Do not adjust or replace any printhead before performing checks in 
“Printhead diagnostics” on page 3-1 .
Error code Action 
						

							
2-10Service Manual
5060-4
xx   
113 Printhead Error No first Hysnc - black Check for the correct installation of all the cables to the system board and 
in the printhead assembly; J12 and J13 on the system board. Go to 
“System board” on page 5-8. If the cables are connected correctly, go 
to  “Printhead diagnostics” on page 3-1 .
Note:  Do not adjust or replace any printhead before performing checks in 
“Printhead diagnostics” on page 3-1 .
114 Printhead Error A black printhead servo error has been detected.  Verify all packing material have been removed from the printer and the 
printhead.
If error persists, see “Printhead diagnostics” on page 3-1 .
115 Printhead Error A cyan printhead servo error has been detected.  Verify all packing material have been removed from the printer and the 
printhead.
If error persists, see “Printhead diagnostics” on page 3-1 .
116 Printhead Error A magenta printhead servo error has been detected.  Verify all packing material have been removed from the printer and the 
printhead. 
If error persists, see “Printhead diagnostics” on page 3-1 .
Error code Action 
						

							
Diagnostic information2-11
  5060-4xx
117 Printhead Error A yellow printhead servo error has been detected.  Verify all packing material have been removed from the printer and the 
printhead.
If error persists, see “Printhead diagnostics” on page 3-1 .
120 Fuser Error Wrong fuser lamp - hot roll - replace the fuser assembly. See  “Fuser 
assembly” on page 4-35 . 
121 Fuser Error Wrong fuser lamp - BUR - replace the fuser assembly. See  “Fuser 
assembly” on page 4-35 .
122  Fuser  Error Fuser below temperature when printing - hot roll - go to  “122 error code” 
on page 2-46 .
123 Fuser Error Fuser below temperature when printing - BUR - go to  “123 error code” 
on page 2-46 .
124 Fuser Error Fuser over temperature - hot roll - go to  “124 error code” on page 2-47.
125 Fuser Error Fuser over temperature - BUR - go to  “125 error code” on page 2-47.
126 Fuser Error Fuser open thermistor hot roll - go to  “126 error code” on page 2-48.
127 Fuser Error Fuser open thermistor BUR - go to  “127 error code” on page 2-48.
128  Fuser  Error Fuser under temperature in standby - hot roll - go to  “128 error code” on 
page 2-49 .
129 Fuser Error Fuser under temperature in standby - BUR - go to  “129 error code” on 
page 2-49 .
130 Fuser Error Fuser failed to reach standby temperature - hot roll - go to  “130 error 
code” on page 2-50 .
131 Fuser Error Fuser failed to reach standby temperature -BUR - go to  “131 error 
code” on page 2-51 .
132 Fuser Error Fuser cold hot roll - go to  “132 error code” on page 2-52.
133 Fuser Error Fuser cold roll - BUR - go to  “133 error code” on page 2-53.
134 Fuser Error Fuser lamp on too long hot roll - go to  “134 error code” on page 2-54.
135 Fuser Error Fuser lamp on too long BUR - go to  “135 error code” on page 2-54.
136 Fuser Error Fuser cam position not found - go to  “136 error code” on page 2-54.
140 Motor DC motor accel stall - registration (staging)- replace the  “Registration 
motor” on page 4-69 .
If this does not fix the problem, replace the  “System board” on 
page 4-72 .
Error code Action 
						

							
2-12Service Manual
5060-4
xx   
141  Motor DC pick motor excessive PWM - registration (staging) motor - replace the  “Registration motor” on page 4-69 .
If this does not fix the problem, replace the  “System board” on 
page 4-72 .
142 Motor DC pick motor, over speed - registration (staging) motor - replace the  “Registration motor” on page 4-69 . If this does not fix the problem, 
replace the  “System board” on page 4-72 .
143 Motor DC pick motor, no encoder feedback - registration (staging) motor -  replace the “Registration motor” on page 4-69 . If this does not fix the 
problem, replace the  “System board” on page 4-72 .
144 Motor DC motor accel stall - autocompensator motor - replace the  “Autocompensator pick assembly” on page 4-20 .
If this does not fix the problem, replace the  “System board” on 
page 4-72 .
145 Motor DC motor excessive PWM autocompensator motor - replace the  “Autocompensator pick assembly” on page 4-20 .
If this does not fix the problem, replace the  “System board” on 
page 4-72 .
146 Motor Autocompensator motor over speed, autocompensator motor - replace  the “Autocompensator pick assembly” on page 4-20  If this does not 
fix the problem, replace the  “System board” on page 4-72 .
147 Motor There is no autocompensator DC motor feedback. Replace the  “Autocompensator pick assembly” on page 4-20 . If this does not fix 
the problem, replace the  “System board” on page 4-72 . 
148 Motor ITU belt motor, unable to lock - go to  “148 error code” on page 2-56.
150 Motor Black cartridge motor unable to lock - go to  “150 error code” on 
page 2-57 .
151 Motor Magenta cartridge motor unable to lock - go to  “151 error code” on 
page 2-58 .
152 Motor Cyan cartridge motor unable to lock - go to  “152 error code” on 
page 2-58 .
153 Motor Yellow Cartridge motor unable to lock - go to  “153 error code” on 
page 2-59 .
154 Motor ITU belt motor - lost lock - go to  “154 error code” on page 2-60.
156 Motor Black cartridge motor lost lock - go to  “156 error code” on page 2-61.
157 Motor Magenta cartridge motor lost lock - go to  “157 error code” on 
page 2-62 .
158 Motor Cyan cartridge motor lost lock - go to  “158 error code” on page 2-62.
159 Motor Yellow cartridge motor lost lock - go to  “159 error code” on page 2-63.
160 Motor ITU belt BLDC motor mfg. unknown - go to  “160 error code” on 
page 2-63 .
162 Motor Black cartridge BLDC motor mfg. unknown - go to  “162 error code” on 
page 2-64 .
163 Motor Magenta cartridge BLDC motor mfg. unknown - go to  “163 error code” 
on page 2-64 .
Error code Action 
						

							
Diagnostic information2-13
  5060-4xx
164 Motor Cyan cartridge BLDC motor mfg. unknown - go to  “164 error code” on 
page 2-64 .
165 Motor Yellow cartridge BLDC motor mfg. unknown - go to  “165 error code” on 
page 2-65 .
167  Motor The incorrect configuration ID. See  “Web oiler fuser kit installation” on 
page 4-80  to set configuration ID.
168 Motor Unknown manufacture type - perform  “Motor Detect” on page 3-17. If 
you do not find the problem after performing the test, call your next level 
support.
169 Motor Mirror motor lock not achieved - black - go to  “Printhead diagnostics” 
on page 3-1 .
Note:  Do not adjust or replace any printhead before performing checks in 
“Printhead diagnostics” on page 3-1 .
170 Motor Mirror motor lost lock - black - go to  “Printhead diagnostics” on 
page 3-1 .
Note:  Do not adjust or replace any printhead before performing checks in 
“Printhead diagnostics” on page 3-1 .
171 Motor Mirror motor lock not achieved - cyan - go to  “Printhead diagnostics” 
on page 3-1 .
Note:  Do not adjust or replace any printhead before performing checks in 
“Printhead diagnostics” on page 3-1 .
172 Motor Mirror motor lost lock - cyan - go to  “Printhead diagnostics” on 
page 3-1 .
Note:  Do not adjust or replace any printhead before performing checks in 
“Printhead diagnostics” on page 3-1 .
173 Motor Mirror motor lock not achieved - magenta - go to  “Printhead 
diagnostics” on page 3-1 .
Note:  Do not adjust or replace any printhead before performing checks in 
“Printhead diagnostics” on page 3-1 .
174 Motor Mirror motor lost lock - magenta - go to  “Printhead diagnostics” on 
page 3-1 .
Note:  Do not adjust or replace any printhead before performing checks in 
“Printhead diagnostics” on page 3-1 .
175 Motor Mirror motor lock not achieved - yellow - go to  “Printhead diagnostics” 
on page 3-1 .
Note:  Do not adjust or replace any printhead before performing checks in 
“Printhead diagnostics” on page 3-1 .
176 Motor Mirror motor lost lock - yellow - go to  “Printhead diagnostics” on 
page 3-1 .
Note:  Do not adjust or replace any printhead before performing checks in 
“Printhead diagnostics” on page 3-1 .
196 Service Thermal System The printer has detected an error in the printhead thermal drift  compensation system. Perform the “Drift Sensors” on page 3-16.
199 Service Reflash RIP The printer has detected an invalid version of the RIP code and must be  reflashed to the approved version. Contact your next level support.
Error code Action 
						

							
2-14Service Manual
5060-4
xx   
Programming errors - P101 through P116
These error codes may be displayed whenever a new code upgrade has been attempted. It is possible that the 
wrong type of code, network versus non-network, or a corrupted file was probably sent to the printer. Verify that 
the correct type of code is being flashed to the printer.
The following displays whenever a programming error occurs while programming the RIP code. 
Programming
Error Pxxx
Error code Description
P101
P104 Bad file type - The proper signature was not found in the file.
P102 Device size error - The flash file was too large to fit on the flash device.
P103 Copyright too large - The copyright message was too large to fit into one block.
P104 Not used
P105 Invalid package - A network file was used to program a non-network printer, or a  non-network file was used to program a network printer.
P106 Not used (invalid chip select)
P107 Not used (invalid Block Table (IBT) is not valid)
P108 Invalid socket - The socket ID requested for programming is not valid.
P109 Package size error - An update file was used to program the printer, but the  package did not fit within the space allocated in the Master Boot Record.
P110 Too many bad blocks - The Invalid Block Table is too large to fit in the allocated  space.
P111 Boot Loader too large - The Boot Loader (zloader) is too large to fit into block 0.
P112 Invalid DLE - An upddle.fls file was used to update the DLE code on printer with a  firmware card installed, but the DLE was not found on the firmware card.
P113 Not used (no partition specified)
P114 Bad secure header - The secure header for the DLE was invalid.
P115 Invalid package - A non-DLE “full” file was sent to a flash that already had a DLE  partition. (You must use erasele.fls to wipe out the DLE partition first).
P116 User Flash partition in use - An attempt was made to program code over a user  flash part.