Causes: "In shading correction, the CCD black reading level is abnormal (with the scanner lamp OFF)."
Remedy: Case 1 Trouble position/cause Bad connection between the CCD unit and the ICU SCAN PWB Remedy (Check) Check connection of the flat cable between the CCD unit and the ICU SCAN PWB. (Repair) Replace the flat cable between the CCD unit and the ICU SCAN PWB. / Power Source-ON Case 2 Trouble position/cause CCD unit trouble Remedy (Check) Check the CCD black offset level (SIM 46-6). / Check the shading correction result (SIM 63-1). (Repair) Replace the CCD unit. / Power Source-ON (After-work) Adjust ADJM17-ADJ1. Note Case 3 Trouble position/cause "ICU SCAN PWB, ICU IMAGE PWB, ICU MAIN PWB trouble" Remedy (Check) (Repair) "Replace ICU SCAN PWB, ICU IMAGE PWB, ICU MAIN PWB." / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.)
Code: E7 11
Description: Shading trouble (White correction)
Causes: "In shading correction, the CCD white reading level is abnormal (with the scanner lamp OFF)."
Remedy: Case 1 Trouble position/cause Bad connection of the flat cable between the CCD unit and the ICU SCAN PWB. Remedy (Check) Check connection of the flat cable between the CCD unit and the ICU SCAN PWB. (Repair) Replace the flat cable between the CCD unit and the ICU SCAN PWB. / Power Source-ON (After-work) Note Case 2 Trouble position/cause CCD unit trouble Remedy (Check) CCD black offset level check (SIM 46-6) / Shading correction result check (SIM 63-1) (Repair) Replace the CCD unit. / Power Source-ON (After-work) Adjust ADJM17-ADJ1. Note Case 3 Trouble position/cause "ICU SCAN PWB, ICU IMAGE PWB, ICU MAIN PWB trouble" Remedy (Check) (Repair) "ICU SCAN PWB, ICU IMAGE PWB, ICU MAIN PWB." / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.) Note Case 4 Trouble position/cause "Scanner section dirt (Shading sheet trouble (dirt, scratch)/Lens dirt/Mirror dirt/Reflector dirt)" Remedy (Check) Scanner section dirt check (Repair) Clean the scanner section (shading sheet/lens/CCD/mirror/reflector)./Power Source-ON (After-work) Note Case 5 Trouble position/cause Scanner lamp insufficient light quantity (Scanner lamp trouble/scanner lamp control PWB trouble) Remedy (Check) Check the scanner lamp applying voltage (62.3V) (SIM 5-3). (Repair) Replace the scanner lamp. / Replace the scanner lamp control PWB. / Power Source-ON (After-work) Adjust ADJM17-ADJ1.
Code: E7 20
Description: Laser beam sensor trouble (BLACK)
Causes: The laser beam sensor cannot detect laser beam. (The sensor signal does not change.)
Remedy: Case 1 Trouble position/cause Bad connection of the signal line between the ICU MAIN PWB and the scanner (writing) unit. Remedy (Check) Check connection between the ICU MAIN PWB and the scanner (writing) unit. (Repair) Replace the cable and the connector between the ICU MAIN PWB and the scanner (writing) unit. / Power Source-ON Case 2 Trouble position/cause Scanner (writing) unit trouble (Scanner (writing) motor trouble / Laser beam sensor trouble / Optical system dirt) Remedy (Check) Check the scanner (writing) unit operation. (SIM 61-1) (Repair) Replace the scanner (writing) unit. / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10. Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) Replace the ICU MAIN PWB. / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.) Note Case 4 Trouble position/cause Scanner (writing) unit power line (24V/5V) trouble Remedy (Check) Check the door switch (DSWF). / Check the fuse (F706). (Repair) Replace the door switch (DSWF). / Replace the fuse (F706). / Power Source-ON
Code: E7 21
Description: Laser beam sensor trouble (CYAN)
Causes: The laser beam sensor cannot detect laser beam. (The sensor signal does not change.)
Remedy: Case 1 Trouble position/cause Bad connection of the signal line between the ICU MAIN PWB and the scanner (writing) unit. Remedy (Check) Check connection between the ICU MAIN PWB and the scanner (writing) unit. (Repair) Replace the cable and the connector between the ICU MAIN PWB and the scanner (writing) unit. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Scanner (writing) unit trouble (Scanner (writing) motor trouble/Laser beam sensor trouble/Optical system dirt) Remedy (Check) Check the scanner (writing) unit operation. (SIM 61-1) (Repair) Replace the scanner (writing) unit. / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10. Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) Replace the ICU MAIN PWB. / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.) Note Case 4 Trouble position/cause Scanner (writing) unit power line (24V/5V) trouble Remedy (Check) Check the door switch (DSWF). / Check the fuse (F706). (Repair) Replace the door switch (DSWF). / Replace the fuse (F706). / Power Source-ON
Code: E7 22
Description: Laser beam sensor trouble (MAGENTA)
Causes: The laser beam sensor cannot detect laser beam. (The sensor signal does not change.)
Remedy: Case 1 Trouble position/cause Bad connection of the signal line between the ICU MAIN PWB and the scanner (writing) unit. Remedy (Check) Check connection between the ICU MAIN PWB and the scanner (writing) unit. (Repair) Replace the cable and the connector between the ICU MAIN PWB and the scanner (writing) unit. / Power Source-ON Case 2 Trouble position/cause Scanner (writing) unit trouble (Scanner (writing) motor trouble / Laser beam sensor trouble / Optical system dirt) Remedy (Check) Check the scanner (writing) unit operation. (SIM 61-1) (Repair) Replace the scanner (writing) unit. / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10. Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) Replace the ICU MAIN PWB. / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.) Note Case 4 Trouble position/cause Scanner (writing) unit power line (24V/5V) trouble Remedy (Check) Check the door switch (DSWF). / Check the fuse (F706). (Repair) Replace the door switch (DSWF). / Replace the fuse (F706). / Power Source-ON
Code: E7 23
Description: Laser beam sensor trouble (YELLOW)
Causes: The laser beam sensor cannot detect laser beam. (The sensor signal does not change.)
Remedy: Case 1 Trouble position/cause Bad connection of the signal line between the ICU MAIN PWB and the scanner (writing) unit. Remedy (Check) Check connection between the ICU MAIN PWB and the scanner (writing) unit. (Repair) Replace the cable and the connector between the ICU MAIN PWB and the scanner (writing) unit. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Scanner (writing) unit trouble (Scanner (writing) motor trouble / Laser beam sensor trouble / Optical system dirt) Remedy (Check) Check the scanner (writing) unit operation. (SIM 61-1) (Repair) Replace the scanner (writing) unit. / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10. Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) Replace the ICU MAIN PWB. / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.) Note Case 4 Trouble position/cause Scanner (writing) unit power line (24V/5V) trouble Remedy (Check) Check the door switch (DSWF). / Check the fuse (F706). (Repair) Replace the door switch (DSWF). / Replace the fuse (F706). / Power Source-ON