|
Code
|
NGYÊN NHÂN
|
KHẮC PHỤC
|
|
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.
|
|
Code
|
Description
|
Causes
|
|
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.
|
|
Code
|
Description
|
Causes
|
|
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.
|