Description: Punch communication error. Communication error between finisher and punch unit: Communication error between finisher controller PC board and punch controller PC board. MJ-1110 (When MJ-6105 is installed)
Causes: Hole punch control PC board (HP) Finisher control PC board (FIN)
Remedy: Hole punch control PC board (HP) • Check the connectors and harnesses between the hole punch control PC board (HP) and the finisher control PC board. • Board check
Code: CE00
Description: Punch communication error. Communication error between finisher and punch unit: Communication error between finisher controller PC board and punch controller PC board
Causes: Hole punch control PC board (HP)
Remedy: Hole punch control PC board (HP) • Check the connectors and harnesses between the hole punch control PC board (HP) and the finisher control PC board. • Board check
Code: CE10
Description: Image quality sensor abnormality (OFF level): The output value of this sensor is out of a specified range when sensor light source is OFF.
Remedy: Image quality sensor Connector check LGC board • Connector check (CN351) • Check the harnesses between the LGC board and the image quality sensor. • Check the harnesses between the LGC board and the switching power supply.
Code: CE20
Description: Image quality sensor abnormality (no pattern level): The output value of this sensor is out of a specified range when the image quality control test pattern is not formed.
Causes:
Remedy: 1 • Check the image quality sensor detection value (FS-05-2757). • Is the value of FS-05-2757-0 "0", and is the value of FS-05- 2757-1 "255"? Yes 9 No 2 2 • Is the transfer belt or the transfer belt unit securely installed? • Are there any abnormal stains (cleaning defects), large scratches or breaking on the transfer belt surface? • Are the drum and the transfer belt rotating smoothly? • Is the transfer belt tight? Yes 6 No 3 3 Transfer belt unit Check if the transfer belt unit is securely installed. Correct it if not. 4 4 Transfer belt Check if any toner image remains on the transfer belt surface. If any, check the installation status of the TBU cleaner unit. If there is any abnormality, correct it, and clean the transfer belt. 5 5 Drum and transfer belt Check if the drum and the transfer belt are properly operated. (ON: FS-03-101 / OFF: FS-03-151) If the transfer belt rotates normally, check if any abnormal stains (cleaning defects), large scratches or breaking are on the surface of transfer belt by making full rotation of transfer belt. Replace the transfer belt if any. Check if the transfer belt is loose or heaving, and correct it if needed. If they are not rotating normally, check if their drive gears are damaged or if they contact the equipment. Correct it if needed. 19* 6 • Is the sensor shutter of the image quality sensor opening or closing normally? Or is it normal without any damage? • Is the sensor surface of the image quality sensor clean? Yes 9 No 7 7 Sensor unit Take off the transfer belt unit so that you can see the sensor unit. 8 Sensor shutter • Check if the sensor shutter is opening or closing normally. (Opening: FS-03-125 / Closing: FS- 03-175) If the sensor shutter is not opening or closing, check if it is damaged or there is any abnormality in the sensor shutter solenoid. * If the shutter is opened (FS-03- 125), close the shutter (FS-03-175). • Check the connector and the harness between the sensor shutter solenoid and the LGC board. (CN351 - 9pin, 10pin) • Slide the sensor shutter so that the sensor surface can be seen. Clean the sensor surface with a cotton swab or a soft cloth. Clean the area around the sensor (e.g.: sensor shutter) if it is stained, so that the sensor surface does not become dirty. 19* 9 Image quality sensor Check the connectors and harnesses between the LGC board (CN351) and the image quality sensor. 10 • Is +12V power supply voltage normally supplied to the image quality sensor? • Is 5V voltage normally output by the CN315 - 5pin on the LGC board? Yes 13 No 11 11 Switching power supply Check if 5V voltage is output by the switching power supply (CN512 - 5pin, 6pin). 12 LGC board • Check if 5V voltage is output by the TP13 terminal on the LGC board. • Check if the supply harness between the switching power supply and the LGC board is open circuited, damaged or disconnected. 19* 13 Set the values of "Image quality closed-loop control / Contrast voltage (FS-08-2486)" to "0" (Invalid). 14 Perform “Enforced performing of image quality open-loop control (FS-05-2740)”. 15 Output the image quality control test pattern (FS-04-270) more than one time and the list print. Is the image normal? Yes 17 No 16 16 Abnormal image Correct the abnormal image. Blank print, Solid print, White banding, Color banding, White spots, Poor transfer, Uneven image density, Faded image (low density), Uneven light distribution, Blotched image. * Blank print: including when one of the YMCK colors is not printed. 18 17 Replace the image quality sensor or the LGC board. 18 Set the values of “Image quality closed-loop control / Contrast voltage (FS-08-2486)” to “1” (Valid). 19 Perform "Forced performing of image quality closed-loop control (FS-05-2742)" and make sure it is completed normally. (Error [CE10], [CE20] and [CE40] do not appear.) Yes 21 No 20 20 Check and correct it accordingly. 21 Perform "Automatic gamma adjustment". 22 Reset all of the values in the codes “Abnormality detection count (Y/M/ C/K) Display/0 clearing (FS-08- 2528 to FS-08-2531)”. 23 High-voltage transformer Check if the high-voltage transformer is damaged or abnormal.
Code: CE40
Description: Image quality control test pattern abnormality: The test pattern is not formed normally.
Causes: Main charger cleaner Drum cleaner unit LED printer head Image quality sensor (Rear) Transfer belt Spring 1st transfer contact/release clutch 1st transfer roller status detection sensor Image quality sensor LGC board High-voltage transformer (HVT)
Remedy: 1 Check if there is any abnormality on the hand grips and rods of the main charger cleaner. Correct if there is. 2 Check if the drum is rotated properly by turning the coupling of the cleaner unit. Correct the auger and the surrounding hardware if not. 3 LED printer head • Check the connectors and harnesses between the LGC board (CN357, CN359, CN356, CN358, CN331, CN332, CN329, CN330, CN788, CN787, CN790, CN789, CN792, CN791, CN794 and CN793) and the LED printer head. • Check if there is any stain or scratch on the LED printer head. Clean or correct if there is. 4 Check if there is any stain on the image quality sensor (Rear). 5 Check if the sensor shutter is working properly. 6 Transfer belt Check if the transfer belt is installed in the transfer belt unit properly. Check if the transfer belt is loose or heaving, and correct it if needed. Check if the transfer belt unit is installed in the equipment properly. Check if the transfer belt is properly operated. (ON: FS-03-101 / OFF: FS- 03-151) If the transfer belt rotates normally, check if any abnormal stains (cleaning defects), large scratches or breaking are on the surface of transfer belt by making full rotation of transfer belt. Replace the transfer belt if any. If the transfer belt is not rotating normally, check if the drive gears are damaged or if it contacts the equipment or if the transfer belt cleaning unit is normal. Correct it if needed. 17* 7 Check if any of the springs for supplying power to the transfer belt unit is deformed. Replace the spring if it is deformed. 8 Use “Image quality control abnormal detection counter Y to K display/0 clearing (FS-08-2528 to 2531)” to check the abnormal occurring condition for each color. 9 Check the first pattern detection value for each color of image quality sensor detection value (FS- 05-2758-2 to 5), and identify the color of unit which causing test pattern abnormality. Identify the color of unit by check the value which exceeds "600". (Sub-code 2: Y, 3: M, 4: C, 5: K) If the detected value of K is normal but that for only Y, those for Y and M, or those for Y, M and C is abnormal, perform the following procedure. -> Check that the phenomenon can be recovered by replacing the 1st transfer contact/release clutch or the 1st transfer roller status detection sensor. 10 Check if the developer unit identified in step 9 has been installed properly. Visually check the installation and assembly status of the developer unit, and correct it if there is any abnormality. 17* 11 Set the values of "Image quality closed-loop control / Contrast voltage (FS-08-2486)" to "0" (Invalid). 12 Perform "Enforced performing of image quality open-loop control (FS-05-2740)". 13 Output several number of sheets of the image quality control test pattern (FS-04-270) and the list print (FS-30-101), and check the pattern of the color identified in step 9. Is the image normal? Yes 15 No 14 14 Abnormal image Correct the abnormal image. Blank print, Solid print, White banding, Color banding, White spots, Poor transfer, Uneven image density, Faded image (low density), Uneven light distribution, Blotched image. Notes: • Refer to the each troubleshooting for the image. • Blank print: including when one of the YMCK colors is not printed. 16 15 Replace the image quality sensor or LGC board. 16 Set the values of “Image quality closed-loop control / Contrast voltage (FS-08-2486)” to “1” (Valid). 17 Perform “Forced performing of image quality closed-loop control (FS-05-2742).” Is it completed normally? Yes 19 No 18 18 Check and correct it accordingly. 19 Perform "Automatic gamma adjustment". 20 Clear all “Image quality control abnormal detection counter Y to K display/0 clearing (FS-08-2528 to 2531)”.
Code: CE41
Description: Image quality TRC control test pattern abnormality. The image quality TRC control test pattern is not printed normally.
Remedy: 1 Change the setting of the image quality TRC control to "Disabled". Set the values of FS-08-2600 and FS-08- 8103 to "0". 2 2 Output several number of sheets of the image quality control test pattern (FS-04- 270) and the list print (FS- 30-101), and check the pattern of each color. Is the image normal? YES 3 NO ¡E Check if process units and developer units are properly installed. ¡E Check if there is any scattered toner or developer material around the LED printer head, clean it if there is any. ¡E Correct the problem by referring to "Troubleshooting for the Image". ƒt P. 8-329 "8.5 Troubleshooting for the Image" 3 Change the setting of the image quality TRC control to "Enabled". Set the values of FS-08-2600 and FS-08- 8103 to "1". 4 4 Perform the automatic gamma adjustment. If the adjustment is normally finished, this is the end of the procedure. If the error CE41 still occurs, proceed to step 5. 5 4.Check if the harness between the connector CN131 on the SYS board and the connector CN371 on the LGC board is disconnected or open circuited. Correct if so. 6 6 6.Check if the conductor patterns on the SYS board and the LGC board are short circuited or open circuited. 7 7 7.If no abnormality is found in steps 5 to 6 above, replace the SYS board. 8 8 8.Perform automatic gamma adjustment. If the adjustment is normally finished, this is the end of the procedure. If the error CE41 still occurs, proceed to step 9. 9 Reinstall the removed SYS board and then replace the LGC board. Perform automatic gamma adjustment after the board is replaced.
Code: CE50
Description: Temperature/humidity sensor abnormality: The output value of this sensor is out of a specified range.
Causes: Temperature/humidity sensor LGC board
Remedy: Temperature/humidity sensor Check the connectors and harnesses between the temperature/ humidity sensor and LGC board (CN350).
Code: CE70
Description: Drum drive switching abnormality: The drum switching detection sensor (S11) is not turned ON after the drum motor was rotated for a specified period of time.
Remedy: 1 Is the drum switching motor (M3) operating properly? (Perform the output check: FS-03-240) Yes 7 No 2 2 Drum switching motor (M3) Check the connector (J803) of the motor. 3 Drum switching detection sensor (S11) Sensor check 4 LGC board • Connector check (CN367) • Board check 5 Is the drum TBU drive unit [1] installed properly? P. 8-229 "Fig.8-3" Install the drum TBU drive unit [1] properly. P. 8-229 "Fig.8-3" 6 Check that there is no friction or abnormality by pushing the protrusion [2] of the drive switching cam and the one [3] for the developer/paper feeding drive switching cam while the drum TBU drive unit [1] is removed. P. 8-229 "Fig.8-3" • If there is any foreign matter in the unit, remove it. • If the slide area spring [4] in the unit is deformed or is not attached properly, correct it. • Apply grease (Molykote EM-30L) to the slide area of the switching cam [5]. P. 8-229 "Fig.8-4" P. 8-229 "Fig.8-4" 7 Is the drum switching detection sensor (S11) working? (Perform the input check: FS-03-[ALL]OFF/ [8]/[G] (Highlighted in the black mode)) Yes 10 No 8 8 Drum switching detection sensor (S11) • Sensor, connector, joint connector check • Check if there is any foreign matter such as grease in the detection area of the drum switching detection sensor. 9 LGC board • Connector check (CN367) • Board check 10 Is the drum switching motor assembled in the drum drive unit able to be rotated smoothly by hand? Yes 12 No 11 11 Drum switching motor (M3) • While reinstalling the drum switching motor, push it so that its gear will slightly move away from the engaging gear. • Check the bracket in which the drum switching motor is installed. If it is deformed, replace it. 12 Is the drum switching guide able to be moved smoothly by hand after the drum switching motor has been removed? Yes 14 No 13 13 Drum switching motor (M3) Check if the slide area (guide, plate) of the drum switching guide is deformed or any foreign matter is attached to it. (Replace it if there is.) 14 LGC board Board check