B262/B284/B288/B292 Service Manual Section 4
Contents
1. ASIC devices 1 Replace the controller board Cut in command does not operate when it is executed 0610 Detailed error code Timer cut in does not operate even Defective CPU devices though it is set 1 Replace the controller board SM 4 15 B262 B284 B288 B292 Service Call Conditions Rev 01 2008 No Symptom Possible Cause Definition Defective ASIC Defective devices in which ASIC Cut in in ASIC occurs detects cut in 1 Replace the controller board Defective CPU devices The pipeline clock frequency rate is Mode bit data error which is different from the prescribed value used for initializing CPU Replace the controller board 0702 Detailed error code Insufficient CPU cache B The result when the program is Insufficient memory process executed in the command cache is speed different from desirable value 1 Replace the controller board 2 Replace the RAM DIMM 0709 070A Detailed error code Defective CPU devices Even you write the data in the only f Incorrect SPD cache of memory the data is f Boot mode setting error actually written in another area not Replace the controller board Replace the RAM DIMM 0801 0804 0807 0808 0809 80A Detailed error code cache of memory An error occurs when checking the Defective CPU devices TLB 1 Replace the controller board B262 B284 B288 B292 4 16 SM Rev 01 2008 No Def2. BICU and controller board Defective BICU Defective controller board Controller stalled Controller board installed incorrectly Defective controller board Operation panel connector loose or defective Poor connection of DIMM and optional boards on the controller board Check the setting of SP5875 001 If the setting is set to 1 OFF change it to 0 ON SM Rev 01 2008 gt No Symptom Definition wale ADF gate abnormal 2 The ADF does not send the FGATE signal within 30 seconds after the ADF starts scanning Service Call Conditions Possible Cause Defective ADF connector Defective SBU board Defective ADF connector Defective SBU board ADF gate abnormal 3 The ADF continues to send the qe FGATE signal for more than 60 seconds after the ADF starts scanning Kernel stop Process error 0696e B System co mpletely down 3 Defective RAM DIMM Defective SD card in slot 1 lowest slot Defective controller Software error Check and or replace the RAM DIMM Check and or replace the SD card in slot 1 lowest slot Replace the controller See NOTE on Page 4 1 of the SC Table SM 4 13 B262 B284 B288 B292 L 2 2 gt e pun E e e lo Y Service Call Conditions Rev 01 2008 gt No SA Symptom Possible Cause Definition VM full error Defective RAM DIMM Defective SD card in slot 1 lowest slot Defective contro
3. Incorrect modem setting 2 ell C 3 9 Dial up fails due to the incorrect 1 Check and set the correct AT Fo modem setting command SP5819 160 The supplied voltage is not sufficient N 1 Consult with the user s local due to the defective communication j f f telephone company line or defective connection 005 C Both the NIC and RC Gate are activated at the same time Modem board error 012 C 1 Disable the NIC with SP5985 1 Incorrect network setting 011 C The modem board does not work Install the modem board properly even though the setting of the 2 Check and reset the modem modem board is installed with a dial board setting with SP5816 up connection Replace the modem board SM 4 11 B262 B284 B288 B292 Service Call Conditions gt gt No Definition Symptom Rev 01 2008 Possible Cause 651 Incorrect dial up connection B284 B288 the modem RC Gate tries to call the center with a dial up connection Just after the main power is turned on or the machine is recovering from auto off mode the engine ready signal assertion fails Just after the main power is turned on the engine does not respond After powering on the machine communication between the controller and operation panel does not begin or the communication is interrupted after a normal startup B262 B284 B288 B292 4 12 Program parameter error I Poor connection between the
4. a request B262 B284 B288 B292 4 24 SM Rev 01 2008 Service Call Conditions gt No o Symptom Possible Cause Definition Controller engine inconsistency One of the following controllers is installed to the basic model The controller of the MFP model The controller of the copier facsimile model The controller of the The controller is incompatible printer scanner copier with the engine model The controller of the optional printer scanner is installed to one of Trouble shooting the following models The MFP model The copier facsimile model The printer scanner copier model Defective NVRAM Loose connection between the An error occurs during engine BICU and the NVRAM NVRAM check Incorrect installation of the NVRAM Defective BICU SM 4 25 B262 B284 B288 B292 gt Service Call Conditions No Definition 990 B Symptom Possible Cause Rev 01 2008 Localization error Localization setting not specified The localization information in the The main power switch is nonvolatile ROM and in the turned on for the first time after NVRAM is different e the NVRAM is replaced SP5 807 001 Incorrect localization setting Defective NVRAM Defective controller Defective BICU Loose connection between the controller and the BICU Software performance error B284 B288 The software attempted to perform an unexpected operation NOTE When this error occurs the file name ad
5. on Front Right door f SW which circuit is open white gt open front blue right Right Door Switch CNxxx The connector on the BICU board DF CNxxx The connector on the DF connection board SN The connector on the sensor SW The connector on the switch PCU The connector on the PCU B262 B284 B288 B292 4 30 SM Rev 01 2008 Electrical Component Troubleshooting 4 2 2 BLOWN FUSE CONDITIONS All of these fuses are on the power supply unit Rating Fuse At main switch ON 120 V 220 240 V 4 2 3 BICU LED DISPLAY Number Function LED2 LED2 blinks in normal operation SM 4 31 B262 B284 B288 B292 92 2 50 F EY
6. 288 B292 L 2 2 gt le pun E e e e lt no Service Call Conditions 4 1 2 ENGINE SC CODE DESCRIPTIONS Symptom Definition ZNE Exposure Lamp Error B The scanner has scanned the white plate but cannot detect the white level The scanner home position sensor does not detect the scanner leaving the home position B262 B284 B288 B292 4 2 Possible Cause Defective exposure lamp Defective exposure lamp stabilizer Defective exposure lamp connector Unclean scanner mirror Scanner mirror out of position Defective SBU board Defective SBU connector Lens block out of position Incorrect position or width of white plate scanning e SP4 015 Defective scanner home position sensor Defective scanner drive motor Defective scanner home position sensor connector Defective scanner drive motor connector Defective BICU board SM Service Call Conditions No SR Symptom Possible Cause Definition Scanner home position error 2 Defective scanner home position sensor a Defective scanner drive motor The scanner home position sensor Defective scanner home does not detect the scanner coming position sensor connector back to the home position Defective scanner drive motor connector Defective BICU board The automatic SBU adjustment 92 2 50 EY has failed to correct the black level three times at the pre offset adjustment The automatic SBU adjustment h
7. C address check sum does not match the Defective controller 1 Replace the controller check sum stored in ROM PHY IC error The PHY IC on the controller cannot be correctly recognized PHY IC loop back error An error occurred during the loop back test for the PHY IC on Same as SC823 6101 the controller Same as SC823 6101 The controller cannot recognize the NVRAM damaged or abnormal standard NVRAM installed or Backup battery has discharged detects that the NVRAM is NVRAM socket damaged defective Replace the NVRAM B262 B284 B288 B292 4 18 SM Rev 01 2008 Service Call Conditions gt No Definition Symptom Possible Cause Countermeasure Self diagnostic Error RTC Optional NVRAM An RTC device is recognized and the difference between the RTC device and the CPU exceeds the defined limit No RTC device is recognized RTC defective NVRAM without RTC installed Backup battery discharged 1 Replace the NVRAM with another NVRAM with a RTC device Trouble shooting NVRAM without RTC installed Backup battery discharged Replace the NVRAM with another NVRAM with a RTC The RTC device is not detected 827 Self diagnostic Error RAM B284 B288 0201 Loose connection Error is detected during a Defective SDRAM DIMM write verify check for the standard Defective controller RAM SDRAM DIMM Replace the SDRAM DIMM R
8. TROUBLESHOOTING Rev 01 2008 Service Call Conditions 4 TROUBLESHOOTING 4 1 SERVICE CALL CONDITIONS 4 1 1 SUMMARY There are four levels of service call conditions To prevent possible damage the machine Activate the SP mode and does not operate until the service turn the main power switch off representative resets the SC code and on Turning the main power stitch off and on resets Turn the main power switch off the SC code if the error is caused by incorrect and on sensor detection The machine operates as usual excluding the Turn the main power switch off unit related to the service call and on The SC history is updated The machine No SC code is displayed Only operates as usual the SC history is updated ZEN I fthe problem concerns electrical circuit boards first disconnect then reconnect the connectors before replacing the PCBs If the problem concerns a motor lock first check the mechanical load before replacing motors or sensors Sg Important Do not try to use the operation panel during an automatic reboot f the Remote Service System is used the SC code is sent immediately to the Service Center A CAUTION Never turn off the main power switch when the power LED is lit or flashing To avoid damaging the hard disk or memory press the operation switch to switch the power off wait for the power LED to go off and then switch the main power switch off SM 4 1 B262 B284 B
9. as failed to correct the black level ten times at the PGA cis adjustment The automatic SBU adjustment has failed to correct the black level ten times at the offset adjustment SM 4 3 B262 B284 B288 B292 Service Call Conditions No ne Symptom Possible Cause Definition SBU white black level correction error Defective exposure lamp Unclean white plate The automatic SBU adjustment has MN f l Incorrect position or width of failed to correct the white level ten white plate scanning e SP4 015 Defective SBU board times at the PGA adjustment Loose connection of the flat cable between the BICU and the The BICU cannot correctly SBU establish communication with the Defective flat cable between the SBU BICU and the SBU Defective BICU Defective SBU Defective exposure lamp The white levels of the white plate Unclean white plate and the white paper are Incorrect position or width of extraordinarily different during the white plate scanning e Scan Auto Adjustment e SP4 015 SP4 428 001 Defective BICU board Defective SBU board Scanned images are not Defective BICU board Defective controller board transferred to the controller memory within one minute B262 B284 B288 B292 4 4 SM No Definition SM Symptom Memory address error The BICU does not receive the memory address report from the controller within one minute The polling module detects a current lea
10. cluding the user codes and counters is initialized File Format Converter ee error Electronic total counter error B284 B288 The value of the total counter is Defective NVRAM out of the normal range Printer error B284 B288 Defective software An application error that stops the 1 Unexpected hardware resource machine operation is detected e g memory shortage SM 4 23 B262 B284 B288 B292 Trouble shooting Service Call Conditions Rev 01 2008 gt No Definition 954 Symptom Possible Cause Countermeasure Printer font error B284 B288 A necessary font is not found in A necessary font is not found in the SD card the SD card when the printer The SD card data is corrupted application starts Check that the SD card stores correct data IMAC hardware error B262 B292 Defective IMAC oe Defective BICU completed within a certain period Loose connection Amemory control job is not Printer application program error The printer application program does not become ready when the a o Defective application program printer application program is necessary Image transfer error The BICU requests the controller to transfer image data but the f en Defective application program controller does not become ready Status error laser optics housing unit The optics housing unit does not become ready within 17 seconds Defective software after
11. dress and data will be stored in NVRAM This information can be checked by using SP7 403 See the data and the situation in which this SC occurs Then report the data and Software defective Internal parameter incorrect Insufficient working memory conditions to your technical control center B262 B284 B288 B292 4 26 SM Rev 01 2008 Service Call Conditions gt No Symptom Possible Cause Definition Software continuity error B284 B288 The software attempted to perform an unexpected f l Logged only the machine can operation However unlike f continue to operate SC990 the process can keep on running Undefined error B284 B288 An error not controlled by the system occurred the error does Defective software program not come under any other SC 92 2 50 E EY code Application function selection error B284 B288 Software for that application is defective An option required by the The application selected by a key application RAM DIMM board 7 press on the operation panel is not installed does not start or ends Too complicated nest of the fax abnormally group address 1 As for the fax operation problem simplify the nest of the fax group address SM 4 27 B262 B284 B288 B292 Service Call Conditions Rev 01 2008 No Symptom Possible Cause Definition Application start error B284 B288 Software for that application
12. e controller Check the USB connections USB interface error is detected and make sure that they are securely connected Replace the controller board wor SD card data has corrupted A digital license error of an SD f Set 1 Store correct data in the SD card application is detected A card SD card error B284 B288 867 B An application SD card is ae An application SD card is removed from the boot slot while f a f ejected an application is activated SD card access error 13 to 3 File system error other number Device error SD card not inserted correctly SD card defective Controller board defective For a file system error format the SD card on PC An error report is sent from the For a device error turn the main SD card reader switch off and on Remove and re install the SD card Replace the SD card Replace the controller B262 B284 B288 B292 4 22 SM gt Rev 01 2008 Service Call Conditions No Symptom Possible Cause Countermeasure Address book data error B284 B288 The address book in the hard disk is accessed gt An error is Definition detected in the address book data address book data is not read or data is not written into the address book To recover from the error Data corruption do any of the following Defective controller software countermeasures Format the address book by using SP5 846 050 all data in the address book in
13. efective main motor its operation speed for 0 7 second after reaching the operation speed Main motor error Fusing thermistor open error A Defective thermistor The fusing temperature remains Incorrect installation of the lower than the specified thermistor temperature by 20 degrees Celsius Defective power supply unit Loose connectors SM 4 7 B262 B284 B288 B292 Trouble shooting Service Call Conditions No Definition Possible Cause Symptom Fusing temperature warm up error The fusing temperature rises 7 Defective thermistor degrees or less in two seconds q Incorrect installation of the and this continues 5 times thermistor consecutively Or the fusing f PA Defective fusing lamp temperature is not detected within E Defective power supply unit 25 or 35 seconds The fusing temperature detected by f f Defective thermistor the thermistor is 230 C or higher for Defective power supply unit one second Fusing overheat error 2 544 A The fusing temperature detected by f f oT Defective thermistor the monitor circuit is 250 C or Defective power supply unit higher for one second Defective thermistor After the fusing temperature f Incorrect installation of the reaches the target the fusing lamp f thermistor remains on for 12 seconds Defective power supply unit While the fusing lamp is on the fusing temperature varies 50 C or more withi
14. eplace the controller Defective RAM DIMM Defective SPD ROM on RAM DIMM Defective 12C bus Replace the RAM DIMM The SPD values in all RAM DIMM are incorrect or unreadable 0202 SM 4 19 B262 B284 B288 B292 Service Call Conditions gt No Definition 828 0101 0104 829 0401 0402 B262 B284 B288 B292 Rev 01 2008 Possible Cause Countermeasure Symptom Self diagnostic Error ROM B284 B288 Boost lap code error The boot monitor and OS program stored in the ROM DIMM is checked If the check sum of the program is incorrect Defective ROM DIMM Defective controller Replace the ROM DIMM on 2 Replace the controller this SC code is displayed ROMFS error All areas of the ROM DIMM are checked If the check sum of all Defective ROM DIMM En f 1 Replace the ROM DIMM DIMM is incorrect this SC code is displayed programs stored in the ROM Self diagnostic Error Optional RAM B284 B288 Verification error Slot 1 Not specified RAM DIMM C The data stored in the RAM in Slot 1 does not match the data when reading Composition error Slot 1 The result of checking the C composition data of the RAM in Slot 1 on the controller is incorrect 4 20 installed Defective RAM DIMM Replace the RAM DIMM Replace the controller board Not specified RAM DIMM installed Defective RAM DIMM Replace the RAM DIMM Replace t
15. evice communication with the MF i l Loose connection accounting device Accounting error 2 B284 B288 An error occurs during EN f Defective accounting device communication with the MF Loose connection accounting device Accounting RAM error B262 B292 I An error occurs in the backup RAM 634 C Defective accounting device for the MF accounting device Accounting battery error B262 B292 An error occurs in the battery of the f i Defective accounting device MF accounting device SD Card Error B284 B288 Expanded authentication module error There is no expanded authentication module in the machine Install the correct SD card or the The SD card or the file of the file of the expanded expanded authentication module is authentication module broken Install the DESS module There is no DESS module in the machine B262 B284 B288 B292 4 10 SM Rev 01 2008 Service Call Conditions gt No Definition Symptom Possible Cause Version error ae The version of the expanded 3 Install the correct file of the authentication module is not correct expanded authentication module 850 Communication error of the remote service modem RC Gate B284 B288 Authentication ror Authentication ror 001 1 Check and set the correct user The authentication for the RC name SP5816 156 and Gate fails at a dial up connection password SP5816 157 D
16. g module detects a current leak of the development bias The ID sensor does not detect a correct pattern during developer initialization 2 214 001 B262 B284 B288 B292 4 6 Toner bottle not installed Loose connection between the LD unit and the BICU Defective cable between the BICU and LD unit LD unit out of position Defective LD unit Defective BICU Defective TD sensor Loose connection of the PCU Loose connection of the PCU Defective high voltage supply board Defective ID sensor Insufficient developer Defective drum operation Defective development roller operation Loose connection of the PCU Insufficient voltage for the charge roller SM Service Call Conditions No Definition Transfer roller leak error positive electrode Defective high voltage supply B Symptom Possible Cause board Loose connection of the PCU The feedback voltage of the i er u Incorrect installation of the transfer roller is insufficient transfer unit or the separation unit Defective transfer roller Defective high voltage supply board Loose connection of the PCU The feedback voltage of the E o u Incorrect installation of the transfer roller is insufficient transfer unit or the separation unit Defective transfer roller 4 Transfer roller leak error negative electrode The main motor does not reach its operation speed within 0 7 second f Overload Or the main motor remains out of l D
17. he controller board SM gt Rev 01 2008 No Definition SM C Service Call Conditions Symptom Possible Cause Countermeasure Self diagnostic Error Clock Generator B284 B288 Defective clock generator Defective I2C bus Defective I2C port on the CPU Replace the controller board A verify error occurred when setting data was read from the clock generator via the I2C bus The machine starts up gt The IEEE802 11b card connection board is recognized gt The Loose connection between the wireless card and the connection wireless LAN card or bluetooth board card is not recognized Wireless card access error B284 B288 The machine has been reading the data from the card gt The f Loose connection between the machine loses access to the f wireless card and the connection card the wireless LAN card or board bluetooth card connection board is still recognized Wireless card error B284 B288 Some illegal data is found in the f j Defective wireless card card Wireless card connection board error B284 B288 An error is detected in the f Defective wireless card wireless LAN card or bluetooth f connection board card connection board 4 21 B262 B284 B288 B292 Li 2 Q gt fe De E e e lo Y Service Call Conditions Rev 01 2008 gt No Symptom Possible Cause Countermeasure Definition USB I F Error B284 B288 Defectiv
18. inition Symptom 4002 4005 Detailed error code The calculation error in the CPU occurs ASIC error Service Call Conditions Possible Cause Defective CPU Replace the CPU Ey Self Diagnostic Error ASIC B284 B288 al 0806 SM The write amp verify check error has occurred in the ASIC ASIC not detected The ASIC of the I O is not detected Defective controller board Replace the controller ASIC controller board defective Poor connection between North Bridge and PCI I F Replace controller board SHM register check error Failed to initialize or could not read connection bus Data in SHM register incorrect Defective bus connection Defective SHM Replace controller board Timer error between ASIC and CPU The CPU checks if the ASIC timer works properly compared with the CPU timer If the ASIC timer does not function in the specified range this SC code is displayed 4 17 System firmware problem Defective RAM DIMM Defective controller Reinstall the controller system firmware Replace the RAM DIMM Replace the controller board B262 B284 B288 B292 L 2 2 gt le pun E e e e lt no Service Call Conditions Rev 01 2008 gt No Definition 823 6101 6104 6105 Symptom Possible Cause Self diagnostic Error NIB B284 B288 C C MAC address check sum error The result of the MA
19. is defective win i An option required by the After switching the machine on Bu 998 B o application RAM DIMM board the application does not start oa is not installed within 60 s No applications start f 1 Check the setting of SP5875 001 If the setting is set to 1 OFF change it to 0 OFF or end normally B262 B284 B288 B292 4 28 SM Rev 01 2008 Electrical Component Troubleshooting 4 2 ELECTRICAL COMPONENT TROUBLESHOOTING 4 2 1 SENSOR SWITCH OPEN ERRORS Sensor Connector Message Remarks Registration CN127 Paper jam Sensor CN129 Paper End Sensor Load paper Bypass Paper CN130 The machine cannot detect None End Sensor SN paper on the bypass tray Paper Path CN128 Sensor Paper jam Exit Sensor Image Density Print quality may become ID Sensor worse The connector is shared with Toner Density TD Sensor the mechanical total counter Scanner HP Sensor Platen Cover Sensor The copier does not warm up when you open the platen SM 4 29 B262 B284 B288 B292 92 2 50 E EY Electrical Component Troubleshooting Rev 01 2008 Sensor Connector Message Remarks ETT DF Guide Open DF CN103 Paper jam Sensor None DF CN103 DF Registration P Sensor SN an Originals are correctly transported DF CN103 Paper jam Inverter Sensor DF CN103 DF CN103 Exit Sensor Paper jam Front Door Switch The message depends
20. k of the charge roller Polygonal mirror motor error The polygon mirror motor does not reach the operating speed within 10 seconds Or the polygon mirror motor remains out of the operating speed for 0 2 second after reaching the operating speed No laser writing signal F GATE error The poling module does not detect the laser writing signal F GATE asserting after the laser crosses 5 mm from the start point on the drum surface 4 5 Service Call Conditions Possible Cause Inconsistency between the BICU firmware and the controller firmware Defective BICU Defective controller Defective charge roller Defective high voltage supply board Loose connection of the PCU Defective polygon mirror motor Loose connection between the polygonal mirror motor and the BICU Defective cable between the BICU and the polygon mirror motor Defective BICU Defective BICU Loose connection on the fax controller or the printer controller Defective fax controller or printer controller B262 B284 B288 B292 L 2 2 gt le pun E e e e lt no Service Call Conditions No Definition Symptom Possible Cause Laser synchronization error The main scan synchronization detector does not detect the laser signal for 0 5 second The BICU detects the TD sensor outputting extraordinary voltage less than 0 2 V or more than 4 0 V 10 times consecutively The pollin
21. ller Software error Check and or replace the RAM DIMM Check and or replace the SD card 0766d Unexpected system memory size in slot 1 lowest slot 3 Replace the controller See NOTE on Page 4 1 of the SC Table 4361 i Defective CPU Cache error in the CPU Replace the controller board ai The others Defective memory Defective flash memory Error in OS Defective CPU Replace the controller board B262 B284 B288 B292 4 14 SM Rev 01 2008 Service Call Conditions gt No Definition Symptom Possible Cause Self Diagnostic Error CPU 0001 0015 000A 000D Detailed error code During the boot monitor program Defective CPU device Defective boot monitor program or and self diagnostic any exception or cut in are not supposed to self diagnostic program happen If these happen it is 1 Replace the controller board defined as SC OOFF Detailed error code Defective CPU Defective local bus Reinstall the system firmware Trouble shooting Turn the main power switch off and Cache access error in the CPU on Reinstall the system program Replace the controller board 0601 0602 0605 0606 0607 0609 Detailed error code Exceptional command does not u Defective CPU devices operate even though it is executed 1 Replace the controller board on purpose 060A 060E Detailed error code Defective CPU devices Defective
22. n one second and this occurs two consecutive times B262 B284 B288 B292 4 8 Defective thermistor Incorrect installation of the thermistor Defective power supply unit SM gt gt Rev 01 2008 No Definition SM Service Call Conditions Symptom Possible Cause Zero cross signal malfunction The zero cross signal is not detected within five seconds after the main power switch is turned on Defective power supply unit Or the zero cross signal is not Defective BICU detected within one second after operation begins Consecutive fusing jam The paper jam counter for the fusing unit reaches 3 times The paper jam counter is cleared if the paper is fed correctly Paper jam in the fusing unit This SC is activated only when SP1159 001 is set to 1 default 0 Exhaust fan motor error i Loose connection of the exhaust The exhaust fan motor is locked for fan motor five seconds Overload CSS communication error B284 B288 The machine tries to communicate Communication error on the with one of the terminals of a public telephone network relevant service center gt An error logged only the machine can signal returns still operate 4 9 B262 B284 B288 B292 L 2 gt le pun E shooting Service Call Conditions Rev 01 2008 gt No ed Symptom Possible Cause Definition Accounting error 1 B262 B292 An error occurs during Defective accounting d
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