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Mã lỗi máy photocopy A0 Ricoh Aficio 240W

Tổng hợp tất cả mã lỗi của máy photocopy A0 Ricoh Aficio 240W, để đảm bảo tính đúng đắn của lỗi, chúng tôi vẫn để nguyên văn bài viết bằng tiếng Anh, xin lỗi vì sự bất tiện này.

Mã lỗi	Mô tả lỗi	Nguyên nhân
300	Charge Corona Output Error The charge-corona feedback voltage was less than 1 V for more than 200 ms.	Replace the charge corona unit. • Replace the high voltage cable. • Clean or replace the corona wire. • Check the CGB power pack fuse, connection. • Replace the CGB power pack.
305	Charge Corona Wire Cleaner Error The charge wire cleaner did not a) come from the home position within 5 s, or b) did not go back to the home position in 3.7 s or less. This is because of wire cleaner overload.	• Switch the main power switch off/on. • Check the wire cleaner unit for a blockage or broken parts.
330	Writing ASIC Signal Error At power on, the stamp function could not start.	• Check the setting of SP5137. If the stamp option is installed, this SP must be enabled. If the stamp option is not installed, this SP must be disabled. • Check the stamp board connections. • Replace the defective stamp board.
360	Hard Disk Connection Error The machine could not detect the HDD connection.	• Check the connections between the HDD and hard disk controller. • Check the HDD power connector. • Replace the HDD. • Replace the MCU.
361	Hard Disk Read Errors	• Do SP4960-1 (HDD Media Check). • Do SP4906 003 to format the HDD. • If formatting the HDD fails, replace the HDD.
362	IMAC (Image Memory Access Controller) error During data transfer in memory at the IPU, an error occurred during data compression with ASIC (IMAC). The ASIC controls data compression.	• Update the firmware. • If the firmware update does not stop the problem, replace the IPU board. • Update all software modules if this problem continues.
380	MSU Output Error Just after the machine was switched on, it could not detect that the MSU (Memory Super-charger Unit) was set.	• Replace the IPU.
392	Development Bias Error The development bias feedback voltage was less than 0.5 V for longer than 200 ms while the PWM duty value was more than 5% (indicating a development bias leak).	• Check the MCU connectors. • Check the harness on the MCU for damage. • Replace the high voltage cable. • Replace the CGB power pack.
400	ID Sensor Auto Adjustment Error Vsg did not get to 4±0.2 V when the ID sensor was adjusted automatically in the SP mode.	• Clean the ID sensor. • Check the ID sensor harness and connector. • Replace the ID sensor. • Replace the MCU. • Replace the development unit. • Replace the CGB power pack.
401	ID Sensor Vsg Error The Vsg level was detected lower than 2.5 V two times.	• Clean the ID sensor. • Check the ID sensor harness and connector. • Replace the ID sensor. • Replace the MCU. • Replace the development unit. • Replace the CGB power pack.
402	ID Sensor Vsp Error The Vsp level was detected at 0 V or more than 2.5 V for 2 consecutive copies.	• Under the left upper cover, make sure that the hex screw of the main drive gear of the drum is tight. • Clean the ID sensor. • Check the ID sensor harness and connector. • Replace the ID sensor. • Replace the MCU. • Replace the development unit. • Replace the CGB power pack.
440	Transfer Output Error A high voltage feedback voltage of less than 1.0 V was detected for 200 ms.	• Check and replace the high voltage cable if necessary. • Replace the CGB power pack.
460-1	DC Separation Corona Output Error A dc separation feedback voltage of less than 1.0 V was detected after more than 200 ms while the PWM duty value was more than 15%.	• Check and replace the high voltage cable if necessary. • Replace the CGB power pack.
508	Cutter Error The left and right cutter HP sensors stayed on or off more than 2 seconds.	• Check the connections of the HP sensors on the left and right side. • Replace the HP sensors.
520	Main Motor Error The lock signal goes LOW after the motor starts and gets to the set speed. If the main motor lock signal stayed HIGH for 5 seconds during motor operation, the motor stopped because of overloading.	• Check that the motor drive path is not overloaded. • Replace the motor harness. • Replace the motor.
521	Drum Motor Error The lock signal goes LOW after the motor starts and gets to the set speed. If the drum motor lock signal stayed HIGH for 5 seconds during motor operation, the motor stopped because of overloading.	• Check that the motor drive path is not overloaded. • Replace the motor.
522	Fusing Unit Drive Motor Error The lock signal goes LOW after the motor starts and gets to the set speed. If the fusing motor lock signal stayed HIGH for 5 seconds during motor operation, the motor stopped because of overloading.	• Check that the motor drive path is not overloaded. • Replace the motor.
530	Fusing Unit Ventilation Fan Error The lock signal goes LOW after the motor starts and gets to the set speed. If the fan motor lock signal stayed HIGH for 5 seconds during motor operation, the motor stopped because of overloading.	• Check that the motor is not overloaded. • Replace the motor.
541-1	Fusing Thermistor Error 1 • The measured temperature of the hot roller stayed below 7C (44.6F) for 60 seconds after the machine was switched on. -or- • During machine operation the hot roller temperature fell to and stayed at 7C (44.6F) for 40 seconds.	• Make sure that the thermistor is set correctly. • Make sure that the thermistor cable is connected. • Replace the thermistor.
541-2	Fusing Thermistor Error 2 The analog voltage input from the hot roller temperature was less than 2 V for three measurements. The thermistor has short-circuited.	• Replace the thermistor.
542	Fusing Temperature Warm-up Error The hot roller did not get to the ready temperature within 4 minutes 30 sec.: • After the machine was switched on. • After the upper unit or roll feeder drawer was closed. • During warm-up.	• Check the fusing lamp connections. • Replace the fusing lamp. • Replace the MCU. • Check the hot roller thermistor. Make sure that it is straight and does not touch the hot roller.
543	Fusing Lamp Overheated: Error 1 (Software) A fusing temperature more than 230 °C (446°F) was detected 3 times (measured at 180 ms intervals). Note: A shorted triac or other problem could cause the fusing lamp to stay on.	• Replace the MCU.
544	Fusing Lamp Overheated: Error 2 (Hardware) A short circuit in the triac on the MCU caused the fusing temperature control to stop or operate incorrectly. A special circuit on the MCU monitors the temperature of the board. The temperature around the board was more than 235C. 544-1 Latch Signal On (50 ms) 544-2 Signal On (1 s)	• Replace the MCU.
545	Fusing Lamp Overheated: Error 3 After it got to the ready temperature, the fusing lamp stayed on at full power for 50 seconds while the hot roller did not turn.	Correct the position of the thermistor on the hot roller. Replace the fusing lamp harness. Replace the MCU.
546-1	Fusing Temperature Error 1 Fusing temperature goes up and down quickly, more than 20°C (68°C) at 1 sec. intervals.	• Check the thermistor connection. • Check the fusing lamp connections. • Replace the MCU.
546-2	Fusing Temperature Error 2 Temperature goes up and down during a long interval, by 20°C (68°C) more than 3 times during a 60 sec. interval.	• Check the thermistor connection. • Check the fusing lamp connections. • Replace the MCU.
547	Zero-Cross Signal Errors The zero-cross signal from the ac power supply makes a trigger pulse to control the supply of power. It automatically detects 50/60 Hz.	• Check that the frequency of the power supply to the machine is correct. • Replace the PSU. • Replace the MCU
548	Fusing Lamps Disconnected The fusing temperature did not get to 100°C within 2 min. after the machine was switched on.	• Check the fusing lamp harness connections. • Replace the fusing lamps. • Replace the AC drive board.
549-1	Pressure Roller Thermistor Error 1 Fusing temperature control detected that the analog voltage output by the pressure roller thermistor was more than 5V. The pressure roller thermistor is disconnected.	• Check the thermistor connection. • Replace the thermistor. • Replace the MCU.
549-2	Pressure Roller Thermistor Error 2 (2 times at 1.5 sec. intervals) that the analog voltage output by the pressure roller thermistor was less than 0.2 V. The pressure roller thermistor has short-circuited.	• Check the thermistor connection. • Replace the thermistor. • Replace the MCU.
601	Communication Error Between IPU and CIS A break signal was detected after the communication connection. A communication error was sent back 3 times.	• Update the software. • Replace the MCU.
605	Communication Error Between Controller and ECU One of these problems occurred: • Serial communication error • Serial data overflowed in the receive data buffer.	• Replace the MCU.
630	CSS Communication Error (Japan Only) The machine sent a report on its condition, but CSS detected an error. There is a problem on the telephone line between the machine location and the CSS center.	• No action necessary.
632	MK1 Communication Error 1: No Answer to ACK The optional counter device did not send an ACK signal 100 ms after one frame was sent, even after the same data was sent 3 times.	• Check the serial line harnesses and connectors at the counter device, the relay board, and the controller. • Replace the counter device. • Replace the MCU.
633	MK1 Communication Error 2: BREAK Received A LOW break signal was received while the optional counter device was connected to the communication circuit.	• Check the serial line harnesses and connectors at the counter device, the relay board, and the controller. • Replace the counter device. • Replace the MCU.
900	Electrical Total Counter The electrical counter is not connected.	• Replace NVRAM chips.
901	Mechanical Total Counter The mechanical counter is not connected.	• Check the mechanical counter connection. • Replace the mechanical counter.
980	HDD Access Error	• Update the MCU firmware
981	HDD Response Errors	• Check the HDD Connectors. • Check the HDD and make sure that it is not loose. • Update the MCU firmware. • Replace the HDD.
991	Software Error 1: SCU There was an unusual operation by the software because of: • An incorrect argument in the program. • An incorrect internal parameter. • Work memory not sufficient. • An error occurred that could not be detected by other SC codes.	• Set the main power switch to .off. then to .on.. • Go into the SP mode. • Input .0. for SP7405 to display the data for SC991, which includes the software file name, line number, and variable.
992	Software Error 2: ECU There was an unusual operation by the software because of: • An incorrect argument in the program. • An incorrect internal parameter. • Work memory not sufficient. • An error occurred that could not be detected by other SC codes.	• Set the main power switch to .off. then to .on.. • Go into the SP mode. • Input .0. for SP7405 to display the data for SC992, which includes the software file name, line number, and variable.