Sharp Mx 2300n Service Manual
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Page 261
MX-2300/2700 N/G SELF DIAG AND TROUBLE CODE 8 – 22 H4-00 Fusing section low temperature trou- ble (TH_UM_AD2) H4-01 Fusing section low temperature trou- ble (TH_LM) H4-02 Sub thermistor fusing section low temperature trouble (TH_US) H4-30 Thermistor differential input trouble (TH_UM) H5-01 5 continuous detection of POD1 not- reached jam L1-00 Mirror feed trouble L3-00 Mirror return trouble L4-02 Paper feed motor lock trouble Trouble content The temperature does not reach the specified...
Page 262
MX-2300/2700 N/G SELF DIAG AND TROUBLE CODE 8 – 23 L4-04 Developing motor trouble (BLACK) L4-05 Developing motor trouble (COLOR) L4-06 Transfer belt separation position sen- sor trouble L4-11 Shift motor trouble L4-30 Controller fan/HDD fan motor trouble L4-31 Paper exit cooling fan trouble Trouble content The motor lock signal is detected during rotation of the developing motor. Section PCU Case 1 Cause Harness connection trouble between the PCU PWB and the developing motor. Check and...
Page 263
MX-2300/2700 N/G SELF DIAG AND TROUBLE CODE 8 – 24 L4-32 Power cooling fan/ozone exhaust fan trouble L6-10 Polygon motor lock detection L8-01 No full wave signal L8-02 Full wave signal width abnormality L8-20 Power controller communication trou- ble PC--- Personal counter not installed U1-01 Battery trouble U2-00 EEPROM read/write error (MFP detection) U2-05 HDD/Flash/EEPROM data discrepancy Trouble content When the power cooling fan/ozone exhaust fan is operated, the fan operation...
Page 264
MX-2300/2700 N/G SELF DIAG AND TROUBLE CODE 8 – 25 U2-10 SRAM user authentication index check sum error U2-11 EEPROM check sum error (MFP detection) U2-22 SRAM memory check sum error U2-23 MFPC section SRAM memory individual data check sum error U2-24 SRAM memory user authentication counter check sum error U2-25 Flash memory user authentication counter check sum error U2-30 Serial number data discrepancy (MFP ↔ PCU) U2-50 HDD section individual data check sum error Trouble content...
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MX-2300/2700 N/G SELF DIAG AND TROUBLE CODE 8 – 26 U2-80 EEPROM read/write error (SCU detection) U2-81 Adjustment value check sum error (SCU detection) U2-90 EEPROM read/write error (PCU detection) U2-91 EEPROM (PCU) check sum error U6-00 Desk communication trouble U6-01 Tray 1 lift-up trouble U6-02 Tray 2 lift-up trouble U6-09 LCC lift motor trouble Trouble content 1) EEPROM version error 2) Write error to EEPROM Section Scanner Case 1 Cause EEPROM trouble, installation of EEPROM...
Page 266
MX-2300/2700 N/G SELF DIAG AND TROUBLE CODE 8 – 27 U6-10 Desk transport motor trouble U6-20 LCC communication trouble U6-21 LCC transport motor trouble U6-22 LCC 24V power abnormality U6-50 Desk incompatibility trouble U6-51 LCC incompatibility trouble UC-02 CPT-ASIC abnormality UC-20 Document control module trouble Trouble content Desk transport motor operation trouble Section PCU Case 1 Cause Motor lock, motor RPM abnormality, overcurent to the motor, console finisher control PWB...
Page 267
MX-2300/2700 N/G MAINTENANCE 9 – 1 MX2700N Service Manual [9] MAINTENANCE 1. Maintenance system table ✕: Check (Clean, replace, or adjust according to necessity.) {: Clean ▲: Replace U: Adjust ✩: Lubricate †: Shift the position. Unit name Part nameMonochrome supply/ Mechanical partsWhen calling100 K200 K300 K400 K500 K600 K700 K800 K900 K1000 K11 0 0 K1200 KRemark/Refer to the Parts Guide. Block/Item No. (Only the replacement parts are described.) Color supply 60 K120 K180 K240 K300 K360 K Drum...
Page 268
MX-2300/2700 N/G MAINTENANCE 9 – 2 Transfer sectionSecondary belt follower rollerMechanical parts✕✕{✕✕{✕✕{✕✕{ Secondary transfer idle gear✕✕✕▲✕✕▲✕✕▲✕✕▲(P/G No.: [29]-6) Sensors (Process control resist sensors)✕{{{{{{{{{ { { { Primary CL roller▲▲▲▲▲▲▲▲▲ ▲ ▲ ▲(P/G No.: [26]-56) Cleaner seal✕ ✕✕✕✕✕✕✕✕✕ ✕ ✕ ✕ Cleaner seal R✕ ✕✕✕✕✕✕✕✕✕ ✕ ✕ ✕ Transfer toner reception seal✕ ✕✕✕✕✕✕✕✕✕ ✕ ✕ ✕ Fusing sectionUpper heat roller Mechanical parts✕ ✕▲✕▲✕▲✕▲✕ ▲ ✕ ▲(P/G No.: [32]-32) Lower heat roller✕ ✕▲✕▲✕▲✕▲✕...
Page 269
MX-2300/2700 N/G MAINTENANCE 9 – 3 2. Details of maintenance A. Drum peripheral ✕: Check (Clean, replace, or adjust according to necessity.) {: Clean ▲: Replace U: Adjust ✩: Lubricate †: Shift the position. No.Part nameMonochrome supply/ Mechanical partsWhen calling100 K200 K300 K400 K500 K600 K700 K800 K900 K1000 K11 0 0 K1200 KRemark/Refer to the Parts Guide . Block/Item No. (Only the replacement parts are described.) Color supply 60 K120 K180 K240 K300 K360 K 1 Drum (BK) Monochrome...
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MX-2300/2700 N/G MAINTENANCE 9 – 4 The PM cycle means the replacement timing of periodic replace- ment consumable parts which are required for maintaining the per- formance. The PM cycle is specified only for B/W output. For color output, it is used as a reference value. [Reason] Since the ratio of B/W to color differs depending on the users operation scene which varies every day, the PM cycle can- not be specified in a certain cycle for color output. Replacement of a PM item at the recommended life is...