Konica-Minolta bizhub 750i
Error Codes List page 2
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- Code: 15-01, 15-40
- Description: Misfeed at external LCT paper feed section (When LU-205 or LU-303 is installed)
15-01 The leading edge of the paper is not turned ON the LU paper feed sensor (PS3) even after the lapse of a given period of time after the external LCT starts to feed paper.
15-40 For paper fed from the external LCT, the image write start signal permit continues to be disabled for a predetermined period of time after the timing of the image write start signal output. - Paper jam of a sheet of paper left at the external LCT paper feed section results, if the LU paper feed sensor (PS3) is turned ON when the main power switch is turned ON, a door is opened and closed, or a misfeed or malfunction is reset.
- Paper jam of a sheet of paper left at the external LCT paper feed section results, if a sheet of paper is determined to exist at a position detected when the main power switch is turned ON, a door is opened and closed, or a misfeed or malfunction is reset. - Causes: • LU paper feed motor (M2)
• LU paper feed sensor (PS3)
• LU drive board (LUDB)
• Base board (BASEB)
• PC control board (PCCB) - Remedy: 1 Initial check items - -
2 Make the pick-up roller load adjustment of the LCT. - -
3 PS3 I/O check, sensor check LUDB CN5-8 (ON) LU-205 / LU-303 4-G
4 M2 load check • Check code: 28 • Multi code: 41, 44, 45
LUDB CN4-5 to 8 LU-205 / LU-303 3-G
5 Replace LUDB. (LU-205 / LU-303) - -
6 Replace BASEB. - -
7 PCCB F10 or F12 conduction check. - -
8 Replace PCCB. - -
- Code: 17-20
- Description: Misfeed at external LCT transport section (When LU-205 or LU-303 is installed)
17-20 The tray 2 vertical transport sensor (PS19) is not turned ON even after the lapse of a given period of time after the paper has turned ON the paper feed sensor (PS3).
- Paper jam of a sheet of paper left at the external LCT transport section results, if the LU paper feed sensor (PS3) is turned ON when the main power switch is turned ON, a door is opened and closed, or a misfeed or malfunction is reset. - Causes: • LU transport motor (M3)
• Tray 2 vertical transport motor (M23)
• LU paper feed sensor (PS3)
• Tray 2 vertical transport sensor (PS19)
• LU drive board (LUDB)
• Base board (BASEB) - Remedy: 1 Initial check items - -
2 PS3 I/O check, sensor check LUDB CN5-8 (ON) LU-205 / LU-303 4-G
3 PS19 I/O check, sensor check BASEB CN23E-8 (ON) 16-K
4 M3 load check • Check code: 28 • Multi code: 46, 49, 50
LUDB CN4-1 to 4 LU-205 / LU-303 3-G
5 M23 load check • Check code: 28 • Multi code: 36, 39, 40
BASEB CN31E-5 to 8 23-K
6 Replace LUDB. (LU-205 / LU-303) - -
7 Replace BASEB.
- Code: 17-30, 17-31
- Description: Tray 3/4 horizontal transport section
17-30 The horizontal transport sensor (PS158) is not turned ON even after the lapse of a given period of time after the leading edge of the paper has turned ON the tray 3 paper feed sensor (PS152).
17-31 The vertical transport sensor (PS153) is not turned ON even after the lapse of a given period of time after the leading edge of the paper has turned ON the horizontal transport sensor (PS158).
- Paper jam of a sheet of paper left at the tray 3/4 horizontal transport section results, if the horizontal transport sensor (PS158) is turned ON when the main power switch is turned ON, a door is opened and closed, or a misfeed or malfunction is reset.
- Paper jam of a sheet of paper left at the tray 3/4 horizontal transport section results, if a sheet of paper is determined to exist at a position detected when the main power switch is turned ON, a door is opened and closed, or a misfeed or malfunction is reset. - Causes: • Intermediate motor (M151)
• Transport motor (M152)
• Tray 3 transport clutch (CL152)
• Horizontal transport clutch (CL153)
• Tray 3 paper feed sensor (PS152)
• Vertical transport sensor (PS153)
• Horizontal transport sensor (PS158)
• PC control board (PCCB) - Remedy: 1 Initial check items - -
2 PS152 I/O check, sensor check PCCB CN7-2 (ON) PC-417 5-C
3 PS158 I/O check, sensor check PCCB CN7-5 (ON) PC-417 5-C
4 PS153 I/O check, sensor check PCCB CN4-14 (ON) PC-417 2-C
5 CL152 operation check PCCB CN19-6 (ON) PC-417 6-C
6 CL153 operation check PCCB CN19-8 (ON) PC-417 5-C
7 M151 load check • Check code: 28 • Multi code: 56, 57, 58, 59
PCCB CN20-1 to 3 PC-417 7-K
8 M152 load check • Check code: 28 • Multi code: 51, 52, 53, 54
PCCB CN5-1 to 8 PC-417 7-K
9 PCCB F4 conduction check - -
10 Replace PCCB. - -
- Code: 17-40, 17-41
- Description: Tray 3/4 intermediate transport roller section
17-40 The vertical transport sensor (PS153) is not turned ON even after the lapse of a given period of time after the leading edge of the paper has turned ON the tray 4 paper feed sensor (PS162).
17-41 The tray 2 vertical transport sensor (PS19) is not turned ON even after the lapse of a given period of time after the leading edge of the paper has turned ON the vertical transport sensor (PS153).
- Paper jam of a sheet of paper left at the tray 3/4 intermediate transport roller section results, if the tray vertical transport sensor (PS153) is turned ON when the main power switch is turned ON, a door is opened and closed, or a misfeed or malfunction is reset
- Paper jam of a sheet of paper left at the tray 3/4 intermediate transport roller section results, if a sheet of paper is determined to exist at a position detected when the main power switch is turned ON, a door is opened and closed, or a misfeed or malfunction is reset. - Causes: • Intermediate motor (M151)
• Transport motor (M152)
• Tray 2 vertical transport motor (M23)
• Tray 4 paper feed clutch (CL161)
• Vertical transport sensor (PS153)
• Tray 4 paper feed sensor (PS162)
• Tray 2 vertical transport sensor (PS19)
• PC control board (PCCB)
• Base board (BASEB) - Remedy: 1 Initial check items - -
2 PS153 I/O check, sensor check PCCB CN4-14 (ON) PC-417 2-C
3 PS162 I/O check, sensor check PCCB CN4-11 (ON) PC-417 3-C
4 PS19 I/O check, sensor check BASEB CN23E-8 (ON) 15-K
5 CL161 operation check PCCB CN19-3 (ON) PC-417 6-C
6 M151 load check • Check code: 28 • Multi code: 56, 57, 58, 59, 60
PCCB CN20-1 to 3 PC-417 7-K
7 M152 load check • Check code: 28 • Multi code: 51, 52, 53, 54, 55
PCCB CN5-1 to 8 PC-417 7-K
8 M23 load check • Check code: 28 • Multi code: 36, 39, 45
BASEB CN31E-5 to 8 23-K
9 PCCB F4 conduction check - -
10 Replace PCCB. - -
11 Replace BASEB. - -
- Code: 20-01, 20-02, 20-04
- Description: Misfeed at vertical transport section
20-01 The registration sensor/1 (PS1) is not turned ON (unblocked) even after the lapse of a given period of time after the leading edge of the paper has turned ON the tray 2 vertical transport sensor (PS19).
20-02 For paper fed from the tray 2, 3 or 4, loop forming has not been complete before a sheet enters the registration roller because the rise timing of load to perform registration is earlier than the rise timing of load to form a loop.
20-04 The registration sensor/2 (PS72) is not turned ON even after the lapse of a given period of time after the leading edge of the paper has turned ON the tray 2 vertical transport sensor (PS19). - Causes: • Tray 2 vertical transport motor (M23)
• Registration motor (M24)
• Registration sensor/1 (PS1)
• Tray 2 vertical transport sensor (PS19)
• Registration sensor/2 (PS72)
• Base board (BASEB) - Remedy: 1 Initial check items - -
2 PS1 I/O check, sensor check BASEB CN15E-9 (ON) 4-C
3 PS72 I/O check, sensor check BASEB CN15E-19 (ON) 5-C
4 PS19 I/O check, sensor check BASEB CN23E-8 (ON) 15-K
5 M23 load check • Check code: 28 • Multi code: 36, 39, 45
BASEB CN31E-5 to 8 23-K
6 M24 load check • Check code: 26 • Multi code: 1, 4, 5
BASEB CN31E-9 to 12 24-K
7 Replace BASEB. - -
- Code: 30-03
- Description: Misfeed at 2nd transfer section
30-03 The fusing loop sensor (PS2) is not turned ON (unblocked) even after the lapse of a given period of time after the leading edge of the paper has turned ON (unblocked) the registration sensor/1 (PS1).
- Paper jam of a sheet of paper left at the 2nd transfer section results, if the registration sensor/1 (PS1) is turned ON (unblocked) when the main power switch is turned ON, a door is opened and closed, or a misfeed or malfunction is reset.
- Paper jam of a sheet of paper left at the 2nd transfer section results, if the registration sensor/2 (PS72) is turned ON when the main power switch is turned ON, a door is opened and closed, or a misfeed or malfunction is reset.
- Paper jam of a sheet of paper left at the 2nd transfer section results, if a sheet of paper is determined to exist at a position detected when the main power switch is turned ON, a door is opened and closed, or a misfeed or malfunction is reset. - Causes: • Transport motor (M1)
• Registration motor (M24)
• Registration sensor/1 (PS1)
• Fusing loop sensor (PS2)
• Registration sensor/2 (PS72)
• Expansion control board (EXCB)
• Base board (BASEB) - Remedy: 1 Initial check items - -
2 PS1 I/O check, sensor check BASEB CN15E-9 (ON) 4-C
3 PS72 I/O check, sensor check BASEB CN15E-19 (ON) 5-C
4 PS2 I/O check, sensor check EXCB CN13EX-6 (ON) 15-X
5 M1 load check • Check code: 40 • Multi code: 1, 4, 5
BASEB CN19E-1 to 5 1-C
6 M24 load check • Check code: 26 • Multi code: 1, 4, 5
BASEB CN31E-9 to 12 24-K
7 Replace EXCB. - -
8 Replace BASEB. - -