Ricoh PENTAX K-3 Service Manual Download Page 23

Page: 23 / 318

14 June, 2002

INSTALLING OPTIONAL UNITS

1-13

Ins

lla

tion

4. Connect the harness [D] to the SG3 board

[E] and insert the board into the SG3
connector on the OPIF board [F].

5. Reattach the bracket cover [C], then

lead the harness [D] through the 2
clamps as shown.

6. Remove the bracket assembly [G] from

rear side of the machine as shown.

H209I014.WMF

H209I015.WMF

H209I040.WMF

[D]

[F]

[D]

[G]

[E]

[C]

Summary of Contents for PENTAX K-3

Page 1: ...MODEL K3 RICOH FAX 5510L SERVICE MANUAL 14 June 2002 Subject to change ...

Page 2: ... or flush with water as first aid If unsuccessful get medical attention OBSERVANCE OF ELECTRICAL SAFETY STANDARDS 1 Do not incinerate toner cartridge Toner dust may ignite suddenly when exposed to an open flame 2 Dispose of used toner cassette in accordance with local regulations It is non toxic supply 3 Dispose of replaced parts in accordance with local regulations LITHIUM BATTERIES MEMORY BACK U...

Page 3: ... in the field Customer engineers are therefore directed to return all chassis and laser subsystems to the factory or service depot when replacement of the optical subsystem is required WARNING Use of controls not specified in this manual or performance of adjustments or procedures not specified in this manual may result in hazardous radiation exposure WARNING FOR LASER UNIT WARNING Turn off the ma...

Page 4: ...ERS 3 1 3 1 2 REMOVING THE UPPER GUIDE PLATE 3 1 3 1 3 REMOVING THE REAR COVER 3 2 3 1 4 REMOVING THE OPERATION PANEL AND FRONT COVER 3 3 3 2 ADF SCANNER SECTIONS 3 4 3 2 1 REPLACING THE PICK UP ROLLER PART OF THE ADF MAINTENANCE KIT 3 4 3 2 2 REPLACING THE FEED ROLLER PART OF THE ADF MAINTENANCE KIT 3 4 3 2 3 REPLACING THE REVERSE ROLLER AND TORQUE LIMITER PART OF THE ADF MAINTENANCE KIT 3 5 3 2 ...

Page 5: ...REPLACING THE FUSING UNIT PART OF THE FUSING MAINTENANCE KIT 3 28 3 7 2 DISASSEMBLING THE FUSING UNIT 3 29 3 7 3 REPLACING THE PRESSURE ROLLER 3 30 3 7 4 REPLACING THE HOT ROLLER FUSING LAMP AND THERMOFUSE 3 31 3 7 5 REPLACING THE THERMISTOR 3 32 3 7 6 REPLACING THE HOT ROLLER STRIPPERS 3 33 3 8 PCBS 3 34 3 8 1 REPLACING THE PSU 3 34 3 8 2 REPLACING THE OPIF NCU FCU 3 35 1 OPIF board 3 35 2 FCU an...

Page 6: ...CONDITIONS 4 21 4 4 ERROR CODES 4 22 4 5 MODEM STATUS CODES IN V 34 PROTOCOL DUMP 4 32 4 5 1 CALLING SIDE 4 32 Phase 1 V 8 4 32 Phase 2 Line Probing 4 32 Phase 3 Equalizer Training 4 33 Phase 4 and 5 Control Channel 4 33 Phase 6 Primary Channel 4 33 Control Channel Post Message Sh 4 34 Control Channel Post Message PPh 4 34 Control Channel Recovery AC 4 34 V 34 End 4 35 4 5 2 CALLED SIDE 4 35 Phase...

Page 7: ... 16 LAMP TUNING FUNCTION 10 5 7 5 1 17 LAMP TEST COLOR FUNCTION 10 5 8 5 1 18 PRINTER TEST PATTERNS FUNCTION 11 5 8 5 1 19 PRINTER FREE RUN FUNCTION 11 5 8 5 1 20 RAM TEST FUNCTION 12 5 9 5 1 21 DATA COPY FUNCTION 12 5 9 5 1 22 SERVICE STATION FAX NUMBER FUNCTION 13 5 9 5 1 23 SERIAL NUMBER FUNCTION 14 5 10 5 1 24 40 MB FLASH MEMORY INITIALIZATION FUNCTION 16 5 10 5 1 25 40 MB FLASH MEMORY FORMATT...

Page 8: ...CU PARAMETERS 5 77 5 4 DEDICATED TRANSMISSION PARAMETERS 5 85 5 4 1 PROGRAMMING PROCEDURE 5 85 5 4 2 PARAMETERS 5 86 5 5 SERVICE RAM ADDRESSES 5 90 5 6 SERVICE RAM ADDRESSES ADF AND SCANNER 5 110 5 7 SERVICE RAM ADDRESSES PRINTER ENGINE PLOTTER 5 112 5 7 1 ADJUSTING THE PRINTING SIDE TO SIDE REGISTRATION 5 112 5 7 2 ADJUSTING THE PRINTING TOP MARGIN 5 113 6 DETAILED SECTION DESCRIPTIONS 6 1 6 1 AD...

Page 9: ... 31 Fusing Drive Release 6 31 Fusing Temperature Control 6 32 Cooling Fan Control 6 33 Fusing Unit Service Call Conditions 6 34 6 3 OPTIONAL PAPER FEED UNITS 6 35 6 3 1 OVERVIEW 6 35 6 3 2 MECHANISMS 6 36 Paper Size Detection 6 36 Bottom Plate Lift Upper Limit Detection and Paper End Detection 6 37 Paper Near end Detection 6 38 Paper Feed 6 39 Jam Detection 6 39 6 4 PCBS 6 40 6 4 1 FCU 6 40 6 4 2 ...

Page 10: ...tional Dual Access Limitations 6 64 Simultaneous Broadcasting 6 65 6 5 7 OPERATION LOG 6 66 Memory Dump List 6 66 6 5 8 SENDING COLOR DOCUMENTS 6 68 6 5 9 SCAN RESOLUTION 6 69 SPECIFICATIONS SPEC 1 1 1 SPECIFICATIONS SPEC 1 1 2 FEATURES SPEC 3 1 2 1 FEATURES LIST SPEC 3 1 2 2 CAPABILITIES OF PROGRAMMABLE ITEMS SPEC 6 1 3 COMPONENT LAYOUT SPEC 7 1 3 1 MECHANICAL COMPONENTS SPEC 7 1 3 2 ELECTRICAL C...

Page 11: ...an optional unit 1 Print out all messages stored in the memory 2 Print out the lists of user programmed items and the system parameter list 3 Turn off the main switch and disconnect the power plug 1 1 MAINFRAME 1 Remove the mainframe from the box 2 Remove the shipping tape H310I939 WMF H310I001 WMF ...

Page 12: ...e the AIO cartridge left to right then back and forth about 7 8 times total Then remove the toner ribbon seal 9 Reinstall the AIO cartridge 10 Load the desired paper in the paper trays and set up the paper size dials accordingly 11 Turn the machine ON then follow the display to program the following items Date time PSTN line type tone pulse dial own name fax header fax number 12 Program the machin...

Page 13: ...ce Place the brand plaque in the depression on the ADF front cover Taking care that the brand plaque is orientated correctly and aligned straight Once in place apply even pressure beginning at the center of the brand plaque moving toward the outer edges This will insure that it is well adhered to the surface H310I059 WMF A ...

Page 14: ... 510 or the Base Unit Type 510 when installing 3 or more PFUs Spacer Type 510 both of which have Support Boards attached Please refer to the following examples Example 1 Mainframe PFU X 2 and Cabinet Type 510 Example 2 Mainframe Spacer Type 510 X 2 and Cabinet Type 510 H310I056 WMF H310I057 WMF Cabinet Type 510 M4 screws Support Board Cabinet Type 510 Support Board M3 screws M4 screws Spacer Type ...

Page 15: ... and Base Unit Type 510 NOTE As shown in the illustrations above when attaching any of the units directly under the mainframe use the two forward parallel screw holes For all other attachments use the two diagonally positioned screw holes H310I058 WMF Base Unit Type 510 Support Board M3 screws ...

Page 16: ...ket D 1 screw on the front of the machine NOTE If the existing mainframe and PFU assembly is too heavy disassemble them and install them one by one on top of the new optional PFU 3 Remove the connector cover E 1 screw and secure the new PFU to the mainframe or PFU above it with the bracket F 2 screws Then connect the harness G to the machine and reattach the connector cover 4 Plug in the machine a...

Page 17: ...r A 7 screws and small cut out B as shown 2 Open the large cover Then remove the 2 screws C as shown to release the small cover 3 Attach the 2 magnet catches D 2 small brackets E and 2 cushions F Then attach the knob G 2 screws to the small cover as shown H207I029 WMF H207I030 WMF H207I031 WMF A B C G F E D ...

Page 18: ...s J and secure the grounding wire K to the mainframe 5 Reattach the rear cover 6 Attach the bypass feeder L to the machine 7 Plug in the machine and turn on the main power switch 8 Print the System Parameter List from inside Service mode then make sure that BY PASS is listed as an option Then exit Service mode 9 Add some paper and make some test prints using the newly installed Bypass Feeder H207I...

Page 19: ...lation 1 3 3 ISDN G4 INTERFACE UNIT TYPE 510 1 Remove the upper cover A 2 screws 2 Remove the rear cover 7 screws B and cut away the ISDN small cover as shown 3 Remove the bracket cover C 4 screws as shown H208I006 WMF H208I013 WMF H208I523 WMF C B A ...

Page 20: ...t the board into the SiG4 connector on the OPIF board F 5 Reattach the bracket cover C then lead the harness D through the 3 clamps and the hole G in the rear bracket as shown 6 Remove the bracket assembly H from rear side of the machine as shown H208I019 WMF H208I020 WMF H208I040 WMF D F D H E C G ...

Page 21: ...e machine and turn on the main power switch 15 Enter Service mode and set bit 2 of communication switch 16 to 1 16 Exit Service mode and turn off the machine then turn the machine back on 17 Print the System Parameter List from inside Service mode and make sure that G4 is listed as an option Then exit Service mode 10 Set up and program the items required for ISDN communications To connect to the U...

Page 22: ... 12 1 3 4 G3 INTERFACE UNIT TYPE510 1 Remove the upper cover A 2 screws 2 Remove the rear cover 7 screws B and cut away the LINE2 small cover as shown 3 Remove the bracket cover C 4 screws as shown H209I006 WMF H209I013 WMF H209I523 WMF C A B ...

Page 23: ...the SG3 board E and insert the board into the SG3 connector on the OPIF board F 5 Reattach the bracket cover C then lead the harness D through the 2 clamps as shown 6 Remove the bracket assembly G from rear side of the machine as shown H209I014 WMF H209I015 WMF H209I040 WMF D F D G E C ...

Page 24: ... 2 screws then connect the 2 harnesses N to the NCU board 10 Replace the rear and upper covers 11 Plug in the machine and turn on the main power switch 12 Enter Service mode and set bit 1 of communication switch 16 to 1 13 Exit Service mode and turn off the machine then turn the machine back on 14 Print the System Parameter List from inside Service mode and make sure that G3 is listed as an option...

Page 25: ...FAX ON DEMAND TYPE 510 1 Remove the right cover A 5 screws and small cut out as shown 2 Attach the FOD unit B 1 screw to the right side of the machine Then lead the harness through the clamps and connect it to CN53 C on the FCU board H213I026 WMF H213I055 WMF A B C ...

Page 26: ...MIC decal E on the right cover 4 Plug in the machine and turn on the main power switch 5 Print the System Parameter List from inside Service mode then make sure that FOD is listed as an option Then exit Service mode 6 Remind the user to connect the microphone from the FOD kit whenever using Fax On Demand H213I028 WMF D E ...

Page 27: ...rews as shown 3 Insert the Function Upgrade Unit C into CN3 on the OPIF board D 4 Replace the bracket cover and upper cover 5 Plug in the machine and turn on the main power switch 6 Print the System Parameter List from inside Service mode and make sure that FUNCTION BOARD is listed as an option Then exit Service mode H214I006 WMF H214I523 WMF H214I041 WMF B D A C ...

Page 28: ...e machine then connect relay harness E contained in the kit to the counter harness 4 Connect the relay harness E to CN52 on the FCU board then clamp the harness 5 Replace the top and the right covers 6 Make some copies and check whether or not the counter is working correctly If it is not check the connection of the FCU counter harness H230I003 WMF H230I501 WMF H230I530 WMF A B C D E ...

Page 29: ...TYPE 300 40M 1 Remove the small cover A on the right cover 2 Insert the 40MB memory card B into the machine 3 Reattach the small cover 4 Print the System Parameter List from inside Service mode then make sure that 40MB is listed as an option Then exit Service mode H215I003 WMF A B ...

Page 30: ...ser C user C user Soft cloth and water Pressure Roller C user C user C user C user Soft cloth and water White Shading Plate C user C user C user C user Soft cloth and water Printer Item 30K 60K 120 180K Notes Fusing Unit R user R user R user Fusing Maintenance Kit Transfer Roller R user R user R user Fusing Maintenance Kit Paper Feed Roller R FST Registration Roller C user C user C user Soft cloth...

Page 31: ...FRONT AND REAR COVERS 1 Open the ADF upper cover A 2 Remove the ADF front cover B x 2 3 Remove the pick up roller unit C by sliding the unit toward the back toward the spring loaded end 4 Remove the ADF rear cover D x 1 3 1 2 REMOVING THE UPPER GUIDE PLATE 1 Remove the upper guide plate A x 4 H310R001 WMF H310R002 WMF A B C D A ...

Page 32: ...EXTERNAL COVERS 14 June 2002 3 2 3 1 3 REMOVING THE REAR COVER 1 Remove the optional connector cover A x 1 2 Remove the rear cover B x 6 H310R006 WMF A B ...

Page 33: ...RATION PANEL AND FRONT COVER 1 Remove the upper cover A x 2 2 Remove the right cover B x 5 3 Remove the front upper cover C x 2 4 Remove the operation panel D x 3 x 1 5 Pull out the cassette E 6 Remove the front lower cover F x 5 H310R003 WMF H310R004 WMF H310R005 WMF A B C D E F ...

Page 34: ...sure to reset the PM counter ADF 3 2 2 REPLACING THE FEED ROLLER PART OF THE ADF MAINTENANCE KIT First do the first two steps of the pick up roller replacement procedure above 1 Release the pick up roller stopper C and pull the shaft toward the end with the E clip D This will allow the pick up roller to be removed 2 Remove the three E clips from the feed roller E 3 Release the roller clutch stoppe...

Page 35: ...ORQUE LIMITER PART OF THE ADF MAINTENANCE KIT 1 Remove the separation roller cover A 2 Remove the clip B and replace the reverse roller C and torque limiter D NOTE If you install all parts in the ADF maintenance kit at the same time be sure to reset the PM counter ADF H310R050 WMF H310R051 WMF A B C D ...

Page 36: ...ove the ADF front cover 3 1 1 3 Remove the upper guide plate A x 4 4 Remove the belt tension roller with spring plate B x 1 5 Remove the belt C 6 Release the pawl that holds the pulley D and remove the pulley 7 Slide the R0 roller E toward the rear and lift the roller out H310R002 WMF H310R950 WMF A B C D E ...

Page 37: ...ACING THE R1 R2 AND DOCUMENT EXIT ROLLERS 1 Remove the ADF rear cover 3 1 1 2 Remove the ADF front cover 3 1 1 3 Remove the rear cover 3 1 3 4 Remove the ADF lower cover A x 1 5 Remove the belt B 6 Remove the scanner motor bracket and scanner motor C x 3 H310R959 WMF A B C ...

Page 38: ...achine then releasing and removing the rear pawl 8 Remove the screw E that fastens the grounding strip 9 Remove the guide plate F x 5 10 Remove the gears G H I and J first remove the gear pawls 11 Remove the clips and bushings followed by the R1 K and R2 L rollers and the exit roller M H310R029 WMF H310R953 WMF G H I J K L M D E F ...

Page 39: ...ER SECTIONS 3 9 Replacement Adjustment 3 2 6 REPLACING THE CIS CONTACT IMAGE SENSOR SCANNER 1 With the ADF open remove the R1 roller guide A x 2 and exit guide B x 2 2 Remove the CIS C x 2 x 1 H310R007 WMF H310R008 WMF A B C ...

Page 40: ... 8 ADJUSTING THE SCANNING TOP MARGIN To adjust the scanner home position change the following RAM data When the value is increased with respect to the default value the image on the printed copy moves down the page ADF scanning Address 4049C4 to 4049C5 default value 004FH Unit 0 1 mm Adjustable range 0000 to 009EH MDF scanning Address 4049C6 to 4049C7 default value 004FH Unit 0 1 mm Adjustable ran...

Page 41: ...e Laser beams can seriously damage your eyes 3 3 1 REPLACING THE LASER SYNCHRONIZATION DETECTOR AND LD UNITS 1 Remove the exit guide 3 2 6 2 Remove two brackets A x 1 each 3 Remove the upper cover 3 1 4 4 Remove the bracket B x 1 5 Remove the LD unit C x 5 x 3 Loosen the two screws in the back of the machine by inserting a screwdriver through the two openings DECAL6 WMF H310R010 WMF H310R011 WMF A...

Page 42: ...002 3 12 6 Remove the laser synchronization detector A x 1 7 Remove the LD unit B x 1 3 3 2 REPLACING THE POLYGON MOTOR 1 Remove the laser unit cover x 5 2 Remove the polygon motor A x 4 x 1 H310R954 WMF H310R955 WMF A B A ...

Page 43: ...wing addresses Source Address Default Unit Main Frame 402466 0002H 0 5 mm 1st Optional Unit 402468 0000H 0 5 mm 2nd Optional Unit 40246A 0000H 0 5 mm 3rd Optional Unit 40246C 0000H 0 5 mm 4th Optional Unit 40246E 0000H 0 5 mm By pass Feeder 402470 0004H 0 5 mm 3 To move the start position to the right increase the value To move the start position to the left decrease the value For example To move ...

Page 44: ... 3 14 3 4 AIO CARTRIDGE 3 4 1 REPLACING THE AIO CARTRIDGE 1 Open the mainframe left cover A 2 Tilt the AIO cartridge B upward slightly to prevent it from touching other parts and remove the unit from the machine H310R956 WMF A B ...

Page 45: ...n note the direction of the arrow 2 While holding both ends of the roller by the green gears on each end lift and remove the roller B NOTE 1 Do not touch the surface of the roller Oils from the skin stuck on the roller surface may result in roller failure 2 If you install all parts in the fusing maintenance kit at the same time be sure to clear the PM counter Fusing Unit H310R966 WMF A B ...

Page 46: ...E POWER PACK 1 Remove the rear cover 3 1 4 2 Remove the power pack A x 2 x 4 CAUTION When removing the power pack make sure to first turn off the main power and unplug the power cord This is done to eliminate the risk of electrical shock H310R957 WMF A ...

Page 47: ...ISTRATION 3 17 Replacement Adjustment 3 5 PAPER FEED AND REGISTRATION 3 5 1 REPLACING THE PAPER FEED ROLLER 1 Open the left cover A 2 Remove the guide plate B x 2 3 Remove the paper feed rollers C x 2 H310R036 WMF H310R026 WMF C A B ...

Page 48: ... pawl on the tip of the clutch B and remove the clutch 4 Release and rotate the collar C then remove it along with the bushing 5 Open the left side cover 6 Remove the registration guide plate D 7 Remove the clip E rear side 8 Slide the registration roller toward the rear left in the illustration Once the front side is freed pull it up toward you and remove the roller H310R021 WMF A B C D E ...

Page 49: ...ge is shifted 2 Adjust by changing the contents of the following addresses Source Address Default Unit Main Frame 40245A FFFEH 0 5 mm 1st Optional Unit 40245C FFFCH 0 5 mm 2nd Optional Unit 40245E FFFCH 0 5 mm 3rd Optional Unit 402460 FFFCH 0 5 mm 4th Optional Unit 402462 FFFCH 0 5 mm By pass Feeder 402464 FFFCH 0 5 mm 3 To lower the start position increase the default value To raise the start pos...

Page 50: ... front cover x 2 3 Remove the pickup roller unit 4 Remove the ADF rear cover x 1 5 Remove the upper guide plate x 4 3 1 2 6 Release the pawls of the S1 A B4 B A3 C sensors at the connector sides and remove the sensors x 1 each 7 Release and remove the pawl located on the rear face of the ADF upper cover switch D x 1 H310R903 WMF A B C D ...

Page 51: ...er x 1 3 2 5 11 Remove the ADF unit switch C x 1 12 Remove the rear cover 3 1 3 13 Open the ADF unit 14 Remove the ADF lower guide plate D x 4 15 Release the MDF S1 E B4 F A3 G sensor pawls and remove the sensors x 1 each NOTE If the rear cover is not removed damage will result when opening the ADF H310R022 2 WMF H310R904 WMF A B C D E F G ...

Page 52: ...22 3 6 2 REPLACING THE PAPER END LED BOARD AND PAPER SIZE SENSOR SWITCH 1 Pull the paper feed tray 2 Remove the cover A x1 3 Remove the paper end LED board B x 1 4 Remove the paper size sensor switch C x 1 H310R911 WMF A B C ...

Page 53: ...er near end sensor A x 1 3 6 4 REPLACING THE UPPER LIMIT AND PAPER END SENSORS 1 Remove the paper feed tray x 2 2 Remove the connectors attached to the upper limit sensor A and paper end sensor B 3 Remove the screw that holds the sensor bracket C in place and remove the bracket by pulling downward 4 Remove the sensors from the bracket H310R915 WMF H310R914 WMF A A B C ...

Page 54: ... the right cover 3 1 4 3 Remove the screw that fastens the AIO cartridge sensor bracket A 4 Remove the AIO cartridge sensor B from the bracket x 1 NOTE This procedure is easier to perform if the AIO cartridge is first removed Be sure to put the AIO cartridge sensor back in the original position H310R907 WMF A B ...

Page 55: ...APER EXIT SENSOR 1 Remove the upper cover x 2 3 1 4 2 Remove the front upper cover 3 1 4 3 Remove the connectors of the paper exit sensor 4 While holding up the actuator A of the paper exit sensor release the front pawl and remove the paper exit sensor B H310R905 WMF A B ...

Page 56: ... 2002 3 26 3 6 7 REPLACING THE TONER END SENSOR 1 Open the left cover A 2 Remove the AIO cartridge B 3 Remove the pawls on both sides of the toner end sensor C and remove the sensor x 1 H310R956 WMF H310R958 WMF A B C ...

Page 57: ...SOR 1 Open the left cover 2 Lift up the registration guide 3 While the registration guide is held up remove the sensor cover by releasing the pawl of the registration sensor cover A 4 Release the pawl of the registration sensor and remove the sensor B from the cover x 1 H310R022 WMF A B ...

Page 58: ... stopper screw green located below the rear side lever B brown 3 Push down levers B 4 Remove the fusing unit C CAUTION 1 Since the temperature of the fusing unit is very high exercise caution to avoid being burned 2 If you install all parts in the fusing maintenance kit at the same time be sure to clear the PM counter Fusing Unit H310R952 WMF A B C ...

Page 59: ... 3 29 Replacement Adjustment 3 7 2 DISASSEMBLING THE FUSING UNIT 1 Remove the fusing unit cover A x 2 2 Remove two springs B and two support plates C x 2 3 Disassemble the fusing unit x 2 H310R013 WMF H310R015 WMF A A B C B C ...

Page 60: ...LACING THE PRESSURE ROLLER 1 Remove the two bushings A two metal levers B and the two levers C 2 Remove the pressure roller NOTE The marked end of the roller D must be at the front side of the machine H310R017 WMF H310R018 WMF A B C D B A C ...

Page 61: ...justment 3 7 4 REPLACING THE HOT ROLLER FUSING LAMP AND THERMOFUSE 1 Remove the hot roller stripper springs and the grounding plate A x 1 2 Remove the fusing lamp B x 2 bushings and hot roller C 3 Remove the thermofuse D x 4 H310R019 WMF A B C D ...

Page 62: ...FUSING UNIT 14 June 2002 3 32 3 7 5 REPLACING THE THERMISTOR 1 Remove the cable terminal A x 3 2 Remove the thermistor B x 1 H310R028 WMF A B ...

Page 63: ...UNIT 3 33 Replacement Adjustment 3 7 6 REPLACING THE HOT ROLLER STRIPPERS 1 Disconnect the springs A 2 Remove the two outer exit rollers B 3 Release the stoppers C and remove the hot roller strippers D H310R020 WMF A B C D ...

Page 64: ...emove the rear cover 3 1 3 2 Lift the PSU B out of the machine x 5 x 4 1 grounding wire A CAUTION When removing the PSU make sure to first turn off the main power and unplug the power cord This is done to eliminate the risk of electrical shock H310R951 WMF A B ...

Page 65: ...cement Adjustment 3 8 2 REPLACING THE OPIF NCU FCU 1 OPIF board 1 Remove the upper cover 3 1 4 2 Remove the bracket cover A x 4 3 Remove the bracket B x 4 4 Remove the OPIF board C x 2 H310R960 WMF H310R961 WMF H310R962 WMF A B C ...

Page 66: ...upper cover 3 1 4 2 Disconnect the harnesses 3 Remove the FCU board A x 4 4 Remove the MBU board B from the old FCU and connect it to the new FCU If you have to replace the MBU first try to upload the RAM data from the MBU to an IC card then try to download it to the new card after reassembling the machine Make sure that the battery switch on the MBU is at the ON position H310R023 WMF A B ...

Page 67: ...N Make sure to first turn off the main power and unplug the power cord This is done to eliminate the risk of electrical shock 1 Remove the rear cover 3 1 3 2 Remove the relay connector bracket A x 1 3 Remove the NCU board unit B x 3 x 3 H310R963 WMF H310R964 WMF A B ...

Page 68: ...2002 3 38 3 8 3 REPLACING THE LCD CONTROLLER AND LCD BOARD 1 Remove the upper cover 3 1 4 2 Remove the operation panel 3 1 4 3 Remove the LCD controller board A x 23 4 Remove the LCD board B x 4 x 2 H310R012 WMF A B ...

Page 69: ...14 June 2002 PCBS 3 39 Replacement Adjustment 3 8 4 REPLACING THE POWER PACK 1 Remove the rear cover 3 1 3 2 Remove the power pack A x 2 x 4 H310R957 WMF A ...

Page 70: ...une 2002 3 40 3 8 5 REPLACING THE COOLING FAN 1 Replace the rear cover 3 1 3 2 Remove the cooling fan A x 2 x 1 NOTE The decal on the surface of the fan B must be at the rear side of the machine H310R024 WMF A B ...

Page 71: ...14 June 2002 BYPASS FEEDER UNIT 3 41 Replacement Adjustment 3 9 BYPASS FEEDER UNIT 3 9 1 DISASSEMBLING THE BYPASS FEEDER UNITS 1 Remove the unit A x 2 x 1 1 grounding wire H310R030 WMF A ...

Page 72: ...PASS FEEDER UNIT 14 June 2002 3 42 3 9 2 REPLACING THE CLUTCH AND PAPER FEED ROLLER 1 Remove the spring and three clips 2 Remove the clutch A 3 Remove the paper feed roller B H310R035 WMF H310R034 WMF A B ...

Page 73: ...EEDER UNIT 3 43 Replacement Adjustment 3 9 3 REPLACING THE PAPER SIZE DETECTION SWITCH 1 Remove the bypass cover A x 3 2 Remove the dial cover B 3 Remove the pin C and dial D 4 Remove the switch E x 1 H310R032 WMF A B C D E ...

Page 74: ...NIT 14 June 2002 3 44 3 9 4 REPLACING THE CONNECTOR AND PAPER END SENSOR 1 Disconnect the harness x 2 2 Remove the connector A 3 Disconnect the harness x 1 4 Remove the paper end sensor B H310R033 WMF H310R031 WMF A B ...

Page 75: ...mory card feature expander or fax on demand is installed make sure to re install it before turning the power on in Step 7 below Otherwise programmed data may be lost If copying the firmware onto an IC card beforehand with MCE Memory Card Explorer please confirm that the start address and firmware file are as follows Firmware Start address Firmware file type MBU FCU 0H bin SG3 SiG4 NIC F JPEG 20000...

Page 76: ...n 2 Turn the main power ON If the menu does not appear enter service mode and use service function 12 3 Select the appropriate item NOTE To copy optional firmware scroll down using the DOWN key 4 Press Start 5 If OK is displayed exit the function and turn the power OFF If NG is displayed repeat from step 1 6 Remove the IC card re insert the 40MB memory card if present and reattach the small cover ...

Page 77: ...ocedures may not be exhaustive but they may help you to find the problem First distinguish whether the problem is caused by the remote terminal or by your machine If your machine causes the problem determine whether it is due to a scanner or printer problem Is the print image OK OK NG Is the image received by fax OK OK Is the print image OK OK NG NG Make a copy Print a test pattern Check the remot...

Page 78: ... toner on the surface of the development roller If there is do the following If not go to step 4 Check to see if the laser optic components are properly positioned 4 Check to see if the cartridge is empty If it is replace the cartridge If not do the following Check the connection between the FCU CN15 and the toner end sensor Replace the toner end sensor 4 1 2 BLACK COPIES Possible Cause Scanner Th...

Page 79: ...or if necessary Possible Cause Printer Poor drum sensitivity The charge is incorrectly applied The hot roller is dirty Action 1 Try replacing the cartridge 2 Check to see if the hot roller surface is dirty If it is clean the roller If not go to step 3 3 Check to see if all the charge bias terminals and the cartridge If they are check or replace the power pack If not fix the connections H310T502 WM...

Page 80: ...ponents A deformed toner doctor blade Uneven toner supply in the toner hopper Action 1 Print a solid black test pattern and open the cover in the middle of printing 2 If the image is lighter in the center of the image the toner may be low Replace the cartridge If it is not go to step 3 3 Check to see if the toner is evenly distributed on the drum If it is not check the cartridge and the laser opti...

Page 81: ...ss and or optical mirror s Dirty white plate in the ADF Defective contact image sensor Action 1 Clean the exposure glass and the shading white plate 2 Replace the contact image sensor Possible Cause Printer Damaged cleaning blade Dirty hot roller stripper s Action 1 Replace the cartridge 2 Clean the hot roller strippers H310T503 WMF H310T505 WMF ...

Page 82: ...4 June 2002 4 6 4 1 6 HORIZONTAL BLACK LINES Possible Cause Printer The drum surface is scratched or damaged Action 1 Check to see if the surface of the drum is damaged Change the cartridge if it is damaged H310T507 WMF H310T506 WMF ...

Page 83: ...e glass and the shading white plate 2 Replace the contact image sensor Possible Cause Printer The laser optic components are dirty The hot roller stripper scrapes off toner from the print paper Damaged cleaning blade Action Clean the laser optic components Check the hot roller stripper mechanism Clean the strippers and replace them if they are damaged Replace the cartridge H310T508 WMF H310T503 WM...

Page 84: ... transfer current is unstable Action 1 Print a test pattern and open the cover in the middle of printing 2 Check to see if horizontal white lines where toner is not adhered appear on the drum surface or not If not check the transfer roller surface and the transfer bias terminal connections If they are OK check or replace the power pack Change the cartridge H310T509 WMF H310T507 WMF ...

Page 85: ...a roller is damaged or dirty see the table above Action Clean the rollers Replace the rollers if necessary H310T510 WMF Rollers Diameter mm Circumference mm Registration Roller 14 24 44 7 OPC Drum 30 94 2 Charge Roller 14 44 0 Development Roller 20 62 8 Transfer Roller 16 15 50 7 Hot Roller 30 8 96 9 Pressure Roller 25 78 5 ...

Page 86: ... TROUBLESHOOTING 14 June 2002 4 10 4 1 10 WHITE SPOTS IN BLACK IMAGE AREAS Possible Cause Printer The surface of a roller is damaged or dirty Action Clean the rollers Replace the cartridge if necessary H310T511 WMF ...

Page 87: ...ate and or exposure glass Contact image sensor defective Action Clean the white roller in the ADF Clean the optical mirrors Replace the contact image sensor Possible Causes Printer Poor drum sensitivity Dirty laser optic components Incorrect development transfer bias Low toner Low fusing temperature H310T503 WMF H310T512 WMF ...

Page 88: ...e fusing unit appears faint If it does check or replace the fusing lamp thermistor and PSU If it does not go to step 3 3 Check to see if the toner on the drum looks faint If it does go to step 4 If it does not check the contacts between the transfer bias terminals and power pack 4 Check all the contacts between the development bias terminals If it does not try replacing the cartridge ...

Page 89: ...artridge 4 1 13 UNFUSED COPIES Possible Cause Printer The thermistor is defective The spring mechanism for the fusing pressure roller is defective Incorrect toner type Non recommended paper type Action 1 Check to see if the correct type of paper and toner are in use If it is go to step 2 If not use recommended types of paper and toner 2 Try replacing the fusing unit H310T513 WMF H310T503 WMF ...

Page 90: ...R ON THE BACK OF THE PRINTER PAPER Possible Cause Printer Dirty transfer roller Dirty fusing pressure roller Action 1 Check to see if the transfer roller is dirty with toner If it is clean the roller surface by copying a sheet of white paper three times or more For better results copy one sheet at a time If not go to step 2 2 Check to see if the fusing pressure roller is dirty with toner If it is ...

Page 91: ...e document guides Possible Cause Printer Laser optics are aligned incorrectly Improper print margin setting main scan direction Action Adjust the main scan print margin Check that the laser optics are aligned correctly 4 1 17 INCORRECTLY ALIGNED OUTPUT IMAGE SHIFTED VERTICALLY REDUCED IMAGE Possible Cause Improper print margin sub scan direction Dirty registration roller Action Adjust the sub scan...

Page 92: ...ck up rollers and feed belt with a soft cloth and water and replace them if damaged Check the connection between the FCU CN32 and the scanner motor Replace the scanner motor 2 Jam Possible Cause Incorrect document type or size The document is too long The scanner rollers pick up feed R0 R1 and R2 rollers are dirty Obstruction in the document paper path The scan line sensor is defective Defective s...

Page 93: ...r path The reverse roller is out of position Action 1 Check whether a correct document type is being used 2 Check that the operation panel is closed securely and that the document guide is set properly 3 Check for obstructions in the paper path 4 If the problem remains do the following Check that the separation roller is set properly Replace it if damaged Clean the rollers with a soft cloth and wa...

Page 94: ...ion 3 Check whether a correct paper type is being used 4 Check that the paper cassette end fence is set correctly and check the paper lift mechanism 5 Check that the feed clutch for the cassette is working properly 6 Check that the paper feed roller is installed properly Clean or replace if necessary 7 Check the registration roller and its mechanism Clean or replace if necessary 8 Check that the s...

Page 95: ... 5 Check that the exit sensor is working correctly 6 Check that the main motor is working correctly 7 Check the hot roller strippers and the pressure mechanism in the fusing unit 3 Skew Possible Cause Use of a non recommended type of paper Incorrect positioning of the paper guides in the paper cassette The separation pad is out of position The paper feed roller is worn out or damaged Obstruction i...

Page 96: ... non recommended type of paper Incorrect positioning of the paper guides and or end fence in the paper cassette The separation pad is out of position Action 1 Check whether a correct type of paper is being used 2 Check that the paper guides and the end fence are set correctly ...

Page 97: ...temperature above the first reading 9 22 0542 During fusing roller warmup the machine detects a fusing temperature of 230 C or higher for 1 second 9 22 0543 During printing the machine detects a fusing temperature of 130 C or lower for 1 minute 9 22 0544 During printing the machine detects a fusing temperature change of 25 C two times consecutively 9 22 0546 The destination code in the PSU and fus...

Page 98: ...e modem at the other end The other terminal is incompatible 0 04 CFR or FTT not received after modem training Check the line connection Check the NCU FCU connectors Try changing the Tx level and or cable equalizer settings Replace the FCU or NCU The other terminal may be faulty try sending to another machine If the rx signal is weak or defective there may be a bad line 0 05 Unsuccessful after mode...

Page 99: ... Check the FCU NCU connectors Incompatible or defective remote terminal try sending to another machine Noisy line resend Try adjusting the Tx level and or cable equalizer settings Replace the NCU or FCU Cross reference See error code 0 08 0 15 The other end does not have the confidential transfer or SEP SUB PWD function The other terminal does not have the confidential rx or transfer function or t...

Page 100: ... Check the line connection Check the FCU NCU connectors Replace the NCU or FCU Defective remote terminal Check for line noise or other line problems Try adjusting the acceptable modem carrier drop time Cross reference Acceptable modem carrier drop time G3 Switch 0A bits 0 and 1 0 23 Too many errors during reception Check the line connection Check the FCU NCU connectors Replace the NCU FCU or FCU D...

Page 101: ...d did not respond to disconnect command 0 55 SG3 board did not respond to initializing command 0 56 SG3 board command error Check the connections between the FCU and optional SG3 board Replace the SG3 board or FCU 0 70 Communication mode specified in CM JM was not available V 8 sequence Tx Rx The other terminal did not have a compatible communication mode A polling Tx file was not ready at the oth...

Page 102: ...uence V 34 phase 4 0 85 Line was disconnected because error detected in control channel restart Check the connection between the NCU and the FCU Replace the SG3 board or the FCU 0 86 Line was disconnected because the other terminal requested a data rate by MPh that was not available in the selected symbol rate The other terminal may be defective or incompatible 0 87 Control channel started after u...

Page 103: ...e cassette 1 35 No paper lift detected at 1st tray of optional paper feed unit 1 36 No paper lift detected at 2nd tray of optional paper feed unit 1 37 No paper lift detected at 3rd tray of optional paper feed unit 1 38 No paper lift detected at 4th tray of optional paper feed unit Paper lift motor defective replace PFU defective replace Upper limit sensor defective replace 1 71 The cover was open...

Page 104: ...on 3 21 A CSA was sent during ISDN G4 communication because the Stop key was pressed The local operator has interrupted the communication 3 30 Mismatched specifications rx capability Check the receive capabilities requested from the other terminal 4 00 One page took longer than 8 minutes to transmit Check for a bad line Try the communication at a lower resolution or without halftone Change the FCU...

Page 105: ... EOR was received Try adjusting the rx cable equalizer Replace the FCU or NCU 6 03 G3 ECM detect abnormal V 21 signal 6 04 G3 ECM RTC not detected Check the line connection Check connections from the NCU to the FCU Check for a bad line or defective remote terminal Replace the FCU FCU or NCU 6 05 G3 ECM facsimile data frame not received within 18 s of CFR but there was no line fail Check the line c...

Page 106: ...jam inside the development area If the problem persists replace the FCU 9 09 Paper jam in the fusing exit area If the problem persists replace the FCU 9 10 Toner end detected Toner out replace AIO toner cartridge Toner end sensor defective replace sensor AIO cartridge defective replace cartridge AIO cartridge set incorrectly check and re set FCU defective replace FCU 9 12 Cover open detected durin...

Page 107: ...d unit Check if a recommended type of paper is used Check for a blockage in the paper feed path Check the paper feed mechanisms inside the unit Check if the sensor is defective Check if the paper guides are aligned to the paper correctly Replace the FCU 9 82 Paper feed Jam at the bypass feeder 9 83 Registration Jam at the bypass feeder 9 84 Mainframe paper feed jam Check if a recommended type of p...

Page 108: ... Description 0010 Idle 0110 Idle 0111 ANSam reception 0011 CM transmission 0112 JM reception 0012 CJ transmission 0013 Phase 1 end Phase 2 Line Probing FIF Description 0020 Idle 0021 75 ms interval 0121 Waiting for INFO0a 0022 INFO0c transmission 0122 INFO0a reception 0123 A reception 0023 INFO0c retransmission due to missing INFO0a 0024 INFO0c retransmission due to the second INFO0a reception 003...

Page 109: ...Ph 0061 70 ms interval 0062 PPh transmission 0142 PPh reception 0063 ALT transmission 0143 ALT reception 0064 MPh transmission 0144 MPh reception 0065 E transmission 0145 E reception 0066 T 30 control signal transmission e g NSS or DCS 0151 Flag reception 0152 T 30 control signal reception e g NSF DIS or CFR 0067 Phase 5 end Phase 6 Primary Channel FIF Description 00A0 Idle 00A1 70 ms interval 016...

Page 110: ...essage PPh FIF Description 0080 Idle 0081 PPh transmission 0142 PPh reception 0082 ALT transmission 0143 ALT reception 0083 MPh transmission 0144 MPh reception 0084 E transmission 0085 T 30 control signal transmission e g PPS MPS 0151 Flag reception 0152 T 30 control signal reception e g MCF 0086 End Control Channel Recovery AC FIF Description 0090 Idle 0091 AC transmission 0092 PPh transmission 0...

Page 111: ...Description 0020 Idle 0121 Waiting for INFO0c 0021 75 ms interval 0122 INFO0c reception 0022 INFO0a transmission 0023 INFO0a retransmission due to missing INFO0c 0024 INFO0a retransmission due to the second INFO0c reception 0123 B reception 0124 B bar reception 0031 A transmission 0032 A bar transmission 0033 No signal Waiting for L1 L2 0125 L1 L2 reception 0126 B reception 0041 A transmission 004...

Page 112: ...ption 0054 Waiting for PP 0134 PP reception 0055 Waiting for TRN 0135 TRN reception 0056 Phase 3 end Phase 4 and 5 Control Channel FIF Description 0060 Idle 0141 No signal 0061 70 ms interval 0142 PPh reception 0062 PPh transmission 0143 ALT reception 0063 ALT transmission 0144 MPh reception 0064 MPh transmission 0145 E reception 0065 E transmission 0066 T 30 control signal transmission e g NSF an...

Page 113: ...ing for B1 0166 Flag reception 0167 Image data reception 00A6 Waiting for image data 0168 Turn off 00A7 Phase 6 end Control Channel Post Message Sh FIF Description 0070 Idle 0071 70 ms interval 0041 No signal 0072 Detecting Sh and Sh bar 0146 Sh Sh bar reception 0073 Sh transmission 0074 Sh bar transmission 0143 ALT reception 0075 ALT transmission 0145 E reception 0076 E transmission 0151 Flag rec...

Page 114: ... control signal reception e g PPS MPS 0085 T 30 control signal transmission e g MCF 0086 End Control Channel Recovery AC FIF Description 0090 Idle 0091 AC transmission 0147 AC reception 0142 PPh reception 0092 PPh transmission 0143 ALT reception 0093 ALT transmission 0144 MPh reception 0094 MPh transmission 0145 E reception 0095 E transmission 0151 Flag reception 0152 T 30 control signal reception...

Page 115: ...re is a network problem 3 There is a network problem 4 There is a network problem Do the following Check the error bit rate of the network If it is high contact the network and ask them to improve the line Check the network speed is it 56 or 64 kbps and make sure that the bit switch setting is correct You may also use the dedicated transmission parameters if this problem only occurs when dialing c...

Page 116: ...ne received an unsolicited DM F 1 2 7 22 At TEI release the machine received an unsolicited UA F 1 2 7 23 At the start of link set up the machine received an unsolicited DM F 0 2 7 24 At TEI release the machine received an unsolicited UA F 0 2 7 25 SABME received at the start of network link set up No error 7 26 N200 retransmission error for SABME 2 7 27 N200 retransmission error for DISC 2 7 28 N...

Page 117: ...nication 3 4 6 5 B CHANNEL LINK LAYER Code Probable Cause Action 7 60 T3 timeout timeout while waiting for flag 4 7 61 T3 timeout timeout while waiting for SABM during an incoming call 4 7 62 T1 timeout x N2 timeout while waiting for UA after sending SABM 5 7 63 T1 timeout x N2 timeout while waiting for a response to a transmitted S frame P 1 5 7 64 T1 timeout x N2 timeout while waiting for SABM o...

Page 118: ...t while waiting for an RF packet 6 7 95 T23 timeout timeout while waiting for a CF packet 6 7 96 T10 timeout timeout while waiting for the first frame 6 4 6 7 TRANSPORT LAYER Code Probable Cause Action 8 00 Invalid block received 8 8 01 TCC block received 8 8 02 TBR block received 8 8 05 TCR block block format error 8 8 06 TCR block block size parameter LI error 8 8 07 TCR block extended addressin...

Page 119: ...ndow size error in RSSP 8 8 44 Service identification error in RSSP 8 8 45 Session user data error in RSSP 8 8 47 Message synchronization error inside the CCU 8 8 48 Document task busy 8 8 50 Ti timeout non communication surveillance timer T 62 8 8 51 T2 timeout timeout while waiting for a response T 62 8 8 52 T3 timeout CSA timer timeout T 62 8 8 53 G4 board load timer timeout calling side waited...

Page 120: ...to 0 8 8 76 Internal error 8 4 6 10 PRESENTATION LAYER Code Probable Cause Action 8 80 X 209 coding error in session user data LI error 8 8 81 PV error in session user data 8 8 82 PI error in session user data 8 8 83 The capabilities in the session user data of CDS CDC were not the same as those in RDCLP 8 8 84 X 209 coding error in the DP LI error 8 8 85 X 209 coding error in the SLD document des...

Page 121: ...rd These LEDs describe the status of the machine LED 1 LED 2 LED 3 LED 4 Initial Settings O ON OFF Initial check if the flash ROM is updated O O O O Handshaking with the FCU ready O O Standby Mode Ready to communicate Communication Layer 1 activated O Link setup O O B channel 1 connected O O O B channel 2 connected O O O ...

Page 122: ...stments In the machine acting in NT mode CiG4 board set bits 0 and 1 of G4 parameter switch 0D to 1 In the machine acting in TE mode SiG4 board set bit 0 of G4 parameter switch 0D to 0 and bit 1 to 1 4 Reset the machines by switching them off waiting a few seconds then switching back on 5 Place a document in one of the machines dial a number then press Start 6 After you have finished the test set ...

Page 123: ...y Back key OK Key Stop key Right arrow key User Tools key Left arrow key Key Up arrow key Key Down arrow key How to enter the Service Mode 5 1 1 BIT SWITCH PROGRAMMING FUNCTION 01 1 Enter the Service Mode 2 3 To see the system bit switches To see the scanner switches To see the printer switches To see the communication switches To see the G3 switches Example Press H310S500 BMP H310S501 BMP H310S50...

Page 124: ...vice Mode 2 3 5 1 3 ERROR CODE DISPLAY FUNCTION 03 1 Enter the Service Mode 2 5 1 4 SERVICE MONITOR REPORT FUNCTION 04 1 Enter the Service Mode 2 3 5 1 5 GROUP 3 PROTOCOL DUMP FUNCTION 05 1 Enter the Service Mode 2 3 Select the type of list or 4 H310S503 BMP H310S504 BMP H310S505 BMP H310S506 BMP ...

Page 125: ...byte at a time 2 2 bytes at a time 3 4 Enter the first four digits of start address and end address 5 5 1 7 COUNTER DISPLAY REWRITE FUNCTION 07 1 Enter the Service Mode 2 3 Transmitted received scanned printed and printer and scanner jams PM Counter Toner Counter AIO counter H310S507 BMP H310S508 BMP H310S509 BMP H310S510 BMP H310S511 BMP ...

Page 126: ...the bit switch country code System Bit Switch 0F will automatically be changed to the code for the same country as the new NCU code The bit switch settings also automatically return to the defaults for that country including bit switches related to optional units Therefore for example if 40MB memory is installed any data remaining in the memory will be lost 5 1 9 MODEM TEST FUNCTION 08 1 Enter the...

Page 127: ...08 1 Enter the Service Mode 2 3 4 Scroll through the available tests using or 5 To start a test 6 To stop the test 7 To finish 5 1 11 V 8 MODEM TEST FUNCTION 08 1 Enter the Service Mode 2 3 4 Press to start the test 5 To stop 6 To finish H310S512 BMP H310S515 BMP H310S512 BMP H310S516 BMP ...

Page 128: ...sh 5 1 13 OPERATION PANEL TEST FUNCTION 09 1 Enter the Service Mode 2 3 To start the test press The screen should turn black and all LEDs and indicators should light 4 To stop the test press 5 To finish 5 1 14 LAMP TEST B W FUNCTION 10 This tests the green LEDs in the CIS 1 Enter the Service Mode 2 3 H310S512 BMP H310S517 BMP H310S518 BMP H310S519 BMP H310S520 BMP ...

Page 129: ... 5 1 15 ADF TEST FUNCTION 10 1 Enter the Service Mode 2 3 4 Place a document in the feeder then press 5 To stop the test press 5 1 16 LAMP TUNING FUNCTION 10 Factory use only 1 Enter the Service Mode 2 3 4 H310S519 BMP H310S521 BMP H310S519 BMP H310S522 BMP ...

Page 130: ...in the CIS 1 Enter the Service Mode 2 3 4 5 To stop the test press 5 1 18 PRINTER TEST PATTERNS FUNCTION 11 1 Enter the Service Mode 2 3 4 To select the pattern press or 5 5 1 19 PRINTER FREE RUN FUNCTION 11 1 Enter the Service Mode 2 3 H310S519 BMP H310S523 BMP H310S524 BMP H310S525 BMP H310S526 BMP ...

Page 131: ...G board inside the machine and external flash memory card Normally the upload download menu is accessed automatically if the main switch is turned on with the IC card in the slot If the menu does not appear then use function 12 Refer to the following section for details 3 10 DATA OR FIRMWARE DOWNLOAD UPLOAD 5 1 22 SERVICE STATION FAX NUMBER FUNCTION 13 1 Enter the Service Mode 2 3 Input the teleph...

Page 132: ...ad To correct a mistake 4 If the display is correct 5 1 24 40 MB FLASH MEMORY INITIALIZATION FUNCTION 16 This deletes all files in the optional 40MB flash memory card 1 Enter the Service Mode 2 3 4 If the initialization was completed without error OK will be displayed If there was an error NG will be displayed H310S529 BMP H310S530 BMP H310S531 BMP ...

Page 133: ...on the card 1 Enter the Service Mode 2 3 4 If the format was completed without error OK will be displayed If there was an error NG will be displayed 5 1 26 40 MB FLASH MEMORY TEST FUNCTION 16 1 Enter the Service Mode 2 3 4 If the test was completed without error OK will be displayed If there was an error NG will be displayed H310S530 BMP H310S532 BMP H310S532 BMP H310S533 BMP ...

Page 134: ...tch 3 3 times 5 Adjust the bit switch To adjust more bit switches go to step 4 To finish 5 1 28 G4 PARAMETER SWITCH PROGRAMMING FUNCTION 17 1 Enter the Service Mode 2 3 The default settings are shown on the top line and the current settings on the bottom 4 Increment bit switch Decrement bit switch Example Display bit switch 3 3 times 5 Adjust the bit switch To adjust more bit switches go to step 4...

Page 135: ...print a protocol dump list for the D channel and B channel 1 press To print a protocol dump list for the D channel and B channel 2 Then press G4 Dump D BCH1 D BCH2 Up to 2 kbytes data is stored When the data exceeds this limit it is overwritten The oldest data is overwritten first also see G4 internal switch 03 bit 0 D BCH2 data is logged only when there is dual communication To print a protocol d...

Page 136: ...ter the Service Mode 2 3 4 Scroll through the bit switches using or and adjust the switches as needed 5 1 32 OPTIONAL SG3 BOARD RAM DUMP FUNCTION 18 1 Enter the Service Mode 2 3 4 Enter the first four digits of the start and end addresses 5 H310S535 BMP H310S536 BMP H310S535 BMP H310S537 BMP ...

Page 137: ...Enter the Service Mode 2 3 4 5 Scroll through the parameters using or If you want to change a value enter the new value at the keypad then press 6 To finish 5 1 34 OPTIONAL SG3 BOARD MODEM TEST FUNCTION 18 1 Enter the Service Mode 2 3 4 H310S535 BMP H310S538 BMP H310S539 BMP H310S535 BMP H310S538 BMP H310S540 BMP ...

Page 138: ...ts using or 6 To start a test 7 To stop the test 8 To finish 5 1 35 OPTIONAL SG3 BOARD DTMF TONE TEST FUNCTION 18 1 Enter the Service Mode 2 3 4 5 Scroll through the available tests using or 6 To start a test 7 To stop the test 8 To finish H310S535 BMP H310S538 BMP H310S541 BMP ...

Page 139: ... 18 1 Enter the Service Mode 2 3 4 5 Press to start the test 6 To stop 7 To finish 5 1 37 OPTIONAL SG3 BOARD V 34 MODEM TEST FUNCTION 18 1 Enter the Service Mode 2 3 4 5 Select the data rate using or 6 Press 7 To stop 8 To finish H310S535 BMP H310S538 BMP H310S542 BMP H310S535 BMP H310S538 BMP H310S543 BMP ...

Page 140: ... Mode 2 3 4 Scroll through the bit switches using or and adjust the switches as needed 5 1 39 LAN LINK CHECK FUNCTION 20 1 Enter the Service Mode 2 3 4 5 If the link test is completed OK will displayed If there was an error NG will be displayed H310S544 BMP H310S545 BMP H310S544 BMP H310S546 BMP ...

Page 141: ...LAN LOOP BACK TEST FUNCTION 20 1 Enter the Service Mode 2 3 4 5 1 41 LAN LOG DUMP FUNCTION 20 1 Enter the Service Mode 2 3 4 5 1 42 LAN PING TEST FUNCTION 20 1 Enter the Service Mode 2 3 4 H310S544 BMP H310S547 BMP H310S544 BMP H310S548 BMP H310S544 BMP H310S549 BMP ...

Page 142: ... 22 1 Enter the Service Mode 2 3 4 Scroll through the bit switches using or and adjust the switches as needed 5 1 45 IP FAX PORT SETTING FUNCTION 22 1 Enter the Service Mode 2 3 4 CTRL PORT 0 DATA PORT 1 RAS PORT 2 GK PORT 3 These four items are set to industry standard settings by default They have been tested with common office network environments and should not need changing H310S550 BMP H310S...

Page 143: ...NCTION 24 1 Enter the Service Mode 2 1st Screen CST_SIZE Paper Size Mainframe DLT 0000 LT LEF 0111 A3 0010 Folio 1100 LT SEF 0001 A4 SEF 0100 LG SEF 0101 No Tray 1111 F 0011 PAPER_END Paper End Paper Near End Sensor X0 No Paper X1 Paper Present 0X Not Near End 1X Near End When the tray is opened the value above is displayed temporarily but 00 is displayed as a result of the bottom plate is lowerin...

Page 144: ...S2 Sensor MDF_S1 MDF S1 Sensor MDF_B4 MDF B4 Width Sensor 0 No document 1 Document present COVER_2 ADF Unit Cover 0 Closed 1 Open MDF_A3 MDF A3 Width Sensor 0 No Document 1 Document present 4th Screen Item Description Status COVER_24V Left Cover COVER_TRAY Left Tray Cover 0 Closed 1 Open REGIST Registration Sensor EJECT Paper Exit Sensor 0 No Paper 1 Paper Present AIO PCU AIO Sensor 0 No AIO 1 AIO...

Page 145: ...4 LEF 0000 LT LEF 0111 COVER TRAY Left Cover 0 Closed 1 Open PAPER_END Paper End Paper Near End Sensor X0 No Paper X1 Paper Present 0X Not Near End 1X Near End When the tray is opened the value above is displayed temporarily but 00 is displayed as a result of the bottom plate is lowering slightly LIFT Upper Limit Sensor 0 Not Detected 1 Detected H310S559 BMP ...

Page 146: ... memory and communication files e g substitute RX files This is the recommended setting when the SAF requires clearing Reset Level 2 This level erases the following items in addition to those erased by Reset Level 3 own telephone number bit switches excluding country code RTI TTI CSI report data programmed telephone numbers Quick Speed Groups service station etc NCU parameters The NCU country code...

Page 147: ...Eighth number RX mode only Total number of burst error lines that occurred during non ECM reception The seventh and eighth numbers are fixed at 00 for transmission records and ECM reception records 3 Line quality data output method 0 Error rate measurement during image data transmission 1 Rx level This bit determines the data type printed in the Journal when bit 2 above enables a technical data pr...

Page 148: ...256 16 16 dB G3 Communication Parameters Mode DCS ITU T standard NSS Non standard G3 Modem rate 336 33600 BPS 168 16800 BPS 312 31200 BPS 144 14400 BPS 288 28800 BPS 120 12000 BPS 264 26400 BPS 96 9600 BPS 240 24000 BPS 72 7200 BPS 216 21600 BPS 48 4800 BPS 192 19200 BPS 24 2400 BPS Communication mode ECM With ECM NML With no ECM Compression mode MMR MMR compression MR MR compression MH MH compres...

Page 149: ... System Switch 01 No FUNCTION COMMENTS 0 PM call 0 Disabled 1 Enabled This bit switch determines whether the machine will send an Auto Service Call to the service station when it is time for PM 1 Automatic Service Call function 0 Disabled 1 Enabled Enables or disables the Automatic Service Call made to the service depot when an SC occurs 2 6 Not used Do not change these settings 7 Forced Flash ROM...

Page 150: ...rval the default setting is 15 min This timer can be adjusted with RAM addresses 4803AE and 4803AF For communication when this timer expires after the communication is finished the machine resets the optional G3 or G4 unit Cross reference Service RAM Addresses section 4 5 5 Not used Do not change these settings 6 7 Memory read write by RDS Bit 7 6 Setting 0 0 Always disabled 0 1 User selectable 1 ...

Page 151: ...the fusing unit maintenance kit at 60 000 print intervals After the user replaces the kits the machine asks the user if the kits have been replaced or not After the user answers yes the user has to reset the PM counters using the key operator tools The replacement intervals are programmed at the following addresses ADF kit interval 400326 to 400329 H Fusing kit interval 400382 to 400385 Refer to s...

Page 152: ...pressing the Stop key a message STOP CLR FILE appears on the LCD 5 7 Not used Do not change these settings System Switch 07 No FUNCTION COMMENTS 0 to 7 Date of monthly Fax On Demand report printout 00 31 BCD 00 BCD 1st day of the month default setting 01 31 BCD Programmed day of the month This setting is only valid if bit 1 of User Parameter 04 is set to 1 monthly FOD report printout enabled Syste...

Page 153: ...rt printout 0 Disabled 1 Enabled 0 Error reports are not printed 1 Error reports will print automatically after all failed communications excluding polling reception and immediate transmissions 3 Print error code on error report 0 No 1 Yes 1 Error codes are printed on the error reports 4 Not used Do not change these settings 5 Power failure report 0 Disabled 1 Enabled 1 A power failure report auto...

Page 154: ... or the ISDN 7 Line used when the machine falls back from G4 to G3if the other end is not a G4 machine 0 PSTN 1 ISDN This bit switch has no effect if Communication Switch 07 bit 0 is set to 0 System Switch 0B No FUNCTION COMMENTS 0 1 Not used Do not change these settings 2 3 Energy Saver mode timer Bit 3 Bit 2 Time Limit 0 0 1 minute 0 1 3 minutes 1 0 5 minutes 1 1 No limit 1 1 Automatic Energy Sa...

Page 155: ...5 South Africa 06 Denmark 16 Australia 07 Finland 17 New Zealand 08 Ireland 18 Singapore 09 Norway 19 Malaysia 0A Sweden 20 Turkey 0B Switz 21 Greece 0C Portugal 0D Holland 0E Spain 0F Israel This country code determines the factory settings of bit switches and RAM addresses However it has no effect on the NCU parameter settings and communication parameter RAM addresses Cross reference NCU country...

Page 156: ... Fax number Determines which will appear on the journal for each Quick Speed Dial the registered name or registered fax number 6 Memory reception if no RTI or CSI received 0 Reception disabled 1 Reception enabled only when there is no problem with the printer mechanism This switch setting depends on user parameter switch 05 bit 1 This Sw U P 05 bit 1 0 Reception always enabled 0 1 Reception disabl...

Page 157: ...g the Tx Rx File Save feature 5 7 Not used Do not change this setting System Switch 14 No FUNCTION COMMENTS 0 to 7 Wait time between pages in printer mode with an optional printer interface unit 05 to 64 H 5 to 100s During a printer job a fax message could come in while a page from the computer is still being compiled If the timer has not run out yet the machine will continue to compile the page f...

Page 158: ...ne s left IC card slot before power off all the data in the card will be initialized if the machine does not detect the card at the next power on 1 When a feature expander is installed in the machine s left IC card slot before power off the machine does not start up unless the machine detects the IC card or the data copy tool at the next power on This prevents the data inside the card from being i...

Page 159: ...ystem switch 0A bit 6 over ride these switches 2 Not used Do not change the setting 3 4 Default communication line for transmission when there is no G3 outside line both lines connected to a PABX or one line connected to a PABX and one line connected to an ISDN Bit 4 Bit 3 Setting 0 0 Auto select 0 1 PSTN 1 Standard G3 1 0 PSTN 2 Optional G3 unit 1 1 ISDN G4 unit required 0 0 If one line is alread...

Page 160: ...ne sends the message to that number If there is no match with a registered destination or if the specified number code does not match the format for a Quick Speed or Group dial code the machine dials the specified number 4 7 Not used Do not change the settings System Switch 1A No FUNCTION COMMENTS 0 Simultaneous broadcasting 0 Disabled 1 Enabled This determines whether broadcasting is done by send...

Page 161: ...s 6 OR processing in Memory TX Standard resolution 0 Disabled 1 Enabled 7 Not used Do not change these settings Scanner Switch 01 Not used do not change any of these settings Scanner Switch 02 Not used do not change any of these settings Scanner Switch 03 Not used do not change any of these settings Scanner Switch 04 Not used do not change any of these settings Scanner Switch 05 Not used do not ch...

Page 162: ...ettings Printer Switch 01 No FUNCTION COMMENTS 0 Reset the fusing unit failure 0 Off 1 On Clear When a fusing error occurs set this bit to 1 after fixing the problem The machine then resets the fusing error Switch the machine off on and this bit will reset itself to 0 1 3 Not used Do not change the settings 4 Select fusing lamp control 0 Normal temperature control default 1 Low temperature After a...

Page 163: ...ss reference Reduction ratio Printer Switches 04 05 1 3 Not used Do not change these settings 4 7 Page separation threshold with reduction disabled in switch 03 bit 0 above If the incoming page is up to x mm longer than the copy paper the excess portion will not print If the incoming page is more than x mm longer than the copy paper the excess portion will print on the next page These four bits de...

Page 164: ...d cannot be applied for DLT 0 1 8 7 When 600dpi is selected cannot be applied for DLT 1 0 12 11 Printer Switch 06 Not used do not change any of these settings Printer Switch 07 Not used do not change any of these settings Printer Switch 08 Not used do not change any of these settings Printer Switch 09 Not used do not change any of these settings Printer Switch 0A Not used do not change any of thes...

Page 165: ...ase B handshaking of T 30 protocol 4 Not used Do not change the setting 5 JBIG reception mode 0 Standard mode only 1 Standard and optional mode default If this bit is 0 JBIG optional mode is switched off for reception Change the setting when communication problems occur using JBIG compression 6 Priority for JBIG mode used for transmission 0 Standard mode 1 Optional mode default This bit determines...

Page 166: ... at the same number that the machine is connected to The machine will then alert the user if a phone call comes in 5 Not used Do not change the setting 6 7 Maximum printable page length available Bit 7 Bit 6 Setting 0 0 No limit 0 1 B4 1 0 A4 1 1 Not used The receiving terminal informs the transmitting terminal of the setting determined by these bits in the pre message protocol exchange in the DIS...

Page 167: ...he same as above except that only the last 4 digits are compared 11 The machine will not transmit a service call if the other end does not identify itself with an RTI or CSI 00 Nothing is checked transmission will always go ahead 6 Not used Do not change the setting 7 Burst error selection 0 Not detected total error only 1 Detected 1 Number of burst errors is also indicated as well as total errors...

Page 168: ...0 Fallback disabled Default 1 Fallback enabled 1 Enable this switch only when G4 communication errors occur because the exchanger connects G4 calls to the PSTN This problem only occurs with some types of exchanger 5 Not used Do not change the setting 6 ISDN connection internal or external line 0 External Line 1 Internal Line Set to 1 if there is a PABX between the machine and the ISDN 7 Not used D...

Page 169: ... no problems 1 The machine will only send back a Transfer Result Report if there were errors during communication so that one or more of the End Receivers could not be contacted 4 Printout of the message when acting as a Transfer Station 0 Disabled 1 Enabled When the machine is acting as a Transfer Station this bit determines whether the machine prints the fax message coming in from the Requesting...

Page 170: ...ick Dial 01 through 04 are not programmed and Quick Dial 05 is programmed the machine will send the report to Quick 05 Default setting 05 H 5 digits 5 7 Not used Do not change the settings Communication Switch 0D No FUNCTION COMMENTS 0 to 7 The available memory threshold below which ringing detection and therefore reception into memory is disabled 00 to FF Hex unit 2 KB e g 0C H 24 KB One page is ...

Page 171: ...x times Communication Switch 11 No FUNCTION COMMENTS 0 to 7 Immediate transmission Maximum number of dialing attempts to the same destination 01 FE Hex times Communication Switch 12 No FUNCTION COMMENTS 0 to 7 Memory transmission Interval between dialing attempts to the same destination 00 FF Hex minutes Communication Switch 13 No FUNCTION COMMENTS 0 to 7 Immediate transmission Interval between di...

Page 172: ...g is informed to the receiving terminal in the pre message protocol exchange in the DCS NSS frames 2 3 Not used Do not change the factory setting 4 Time for responding OK when substitute reception is disabled 0 After exit sensor detects paper 1 After data is stored into SAF memory Determines when the machine will send the OK response to the sender in cases where Substitute Reception is disabled i ...

Page 173: ... The machine uses only one B channel for communication This enables a customer to occupy another B channel for other purposes such as an internet communication Communication Switch 17 No FUNCTION COMMENTS 0 SEP selective polling reception 0 Disabled 1 Enabled 0 Disables features that require SEP selective polling signal reception 1 SUB reception 0 Disabled 1 Enabled 0 Disables features such as con...

Page 174: ...achine detects 0 as the first dialed number it automatically disables V 8 protocol Alternatively if 3 is the PSTN access code set bit 3 to 1 Communication Switch 1C No FUNCTION COMMENTS 0 1 Extension access code 8 and 9 to turn V 8 protocol On Off 0 On 1 Off Refer to communication switch 1B Example If 8 is the PSTN access code set bit 0 to 1 When the machine detects 8 as the first dialed number it...

Page 175: ... are communication problems with PC based faxes which cannot receive extended DIS frames 5 Not used Do not change this setting 6 CED ANSam transmission 0 Enabled 1 Disabled Do not change this setting unless a communication problem is caused by sending CED ANSam V 34 7 Not used Do not change this setting G3 Switch 02 No FUNCTION COMMENTS 0 G3 protocol mode used 0 Standard and non standard 1 Standar...

Page 176: ...R x 1 1 ITU T mode PPR x 4 When using ECM the machine will choose a slower modem rate after receiving PPR once Ricoh mode or four times ITU T mode This bit is ineffective in V 34 communications 5 Modem rate for the next page after receiving a negative code RTN or PIN 0 No change 1 Fallback 1 The TX modem rate of the machine will fall back before sending the next page if it receives a negative code...

Page 177: ...m type for 9 6 k or 7 2 kbps Bit 5 Bit 4 Setting 0 0 V 29 0 1 V 17 1 0 Not used 1 1 Not used These bits set the initial modem type for 9 6 k and 7 2 kbps if the initial modem rate is set at these speeds 6 7 Not used Do not change these settings G3 Switch 06 FUNCTION COMMENTS 0 to 3 Initial RX modem rate Bit 3 2 1 0 Setting bps 0 0 0 1 2 4 k 0 0 1 0 4 8 k 0 0 1 1 7 2 k 0 1 0 0 9 6 k 0 1 0 1 12 0k 0...

Page 178: ...ated transmission parameters if you need to change this for specific receivers Also try using the cable equalizer if one or more of the following symptoms occurs Communication error Modem rate fallback occurs frequently Note This setting is ineffective in V 34 communications 2 3 PSTN cable equalizer RX mode Bit 3 Bit 2 Setting 0 0 None 0 1 Low 1 0 Medium 1 1 High Use a higher setting if there is s...

Page 179: ...e fallback occurs frequently Note This setting is ineffective in V 34 communications 2 3 PABX cable equalizer RX mode Bit 3 Bit 2 Setting 0 0 None 0 1 Low 1 0 Medium 1 1 High Use a higher setting if there is signal loss at higher frequencies because of the length of wire between the modem and the telephone exchange Also try using the cable equalizer if one or more of the following symptoms occurs ...

Page 180: ... occurs Communication error Modem rate fallback occurs frequently 2 3 ISDN cable equalizer rx mode Bit 3 Bit 2 Setting 0 0 None 0 1 Low 1 0 Medium 1 1 High Use a higher setting if there is signal loss at higher frequencies because of the length of wire between the modem and the telephone exchange Also try using the cable equalizer if one or more of the following symptoms occurs Communication error...

Page 181: ...tting 4 Maximum allowable frame interval during image data reception 0 5 s 1 13 s This bit determines the maximum interval between each EOL signal end of line or between each ECM frame from the other end Try using a longer setting if error code 0 21 is frequent 5 Not used Do not change this setting 6 Reconstruction time for the first line in receive mode 0 6 s 1 12 s When a computer controls the s...

Page 182: ...1 Not used P Number of pulses sent out N Number dialed 2 6 Not used Do not change these settings 7 FOD feature using PSTN 1 standard NCU 0 Enabled 1 Disabled 1 FOD will not be available on the PSTN 1 line G3 Switch 0D Not used do not change these settings G3 Switch 0E Not used do not change these settings G3 Switch 0F Not used do not change these settings ...

Page 183: ...is caused by sending CED ANSam V 34 7 Not used Do not change this setting G3 2 Switch 02 No FUNCTION COMMENTS 0 G3 protocol mode used 0 Standard and non standard 1 Standard only 1 Disables NSF NSS signals these are in non standard mode communication 1 4 Not used Do not change these settings 5 Use of modem rate history when dialing using Quick Speed dials 0 Disabled 1 Enabled 0 Communications using...

Page 184: ...R x 1 1 ITU T mode PPR x 4 When using ECM the machine will choose a slower modem rate after receiving PPR once Ricoh mode or four times ITU T mode This bit is ineffective in V 34 communications 5 Modem rate for the next page after receiving a negative code RTN or PIN 0 No change 1 Fallback 1 The TX modem rate of the machine will fall back before sending the next page if it receives a negative code...

Page 185: ... type for 9 6 k or 7 2 kbps Bit 5 Bit 4 Setting 0 0 V 29 0 1 V 17 1 0 Not used 1 1 Not used These bits set the initial modem type for 9 6 k and 7 2 kbps if the initial modem rate is set at these speeds 6 7 Not used Do not change these settings G3 2 Switch 06 FUNCTION COMMENTS 0 to 3 Initial RX modem rate Bit 3 2 1 0 Setting bps 0 0 0 1 2 4 k 0 0 1 0 4 8 k 0 0 1 1 7 2 k 0 1 0 0 9 6 k 0 1 0 1 12 0k ...

Page 186: ...ated transmission parameters if you need to change this for specific receivers Also try using the cable equalizer if one or more of the following symptoms occurs Communication error Modem rate fallback occurs frequently Note This setting is ineffective in V 34 communications 2 3 PSTN cable equalizer RX mode Bit 3 Bit 2 Setting 0 0 None 0 1 Low 1 0 Medium 1 1 High Use a higher setting if there is s...

Page 187: ...uring non ECM communication 3 Not used Do not change this setting 4 Maximum allowable frame interval during image data reception 0 5 s 1 13 s This bit determines the maximum interval between each EOL signal end of line or between each ECM frame from the other end Try using a longer setting if error code 0 21 is frequent 5 Not used Do not change this setting 6 Reconstruction time for the first line...

Page 188: ...Not used P Number of pulses sent out N Number dialed 2 6 Not used Do not change these settings 7 FOD feature using PSTN 2 optional SG3 0 Enabled 1 Disabled 1 FOD will not be available on the PSTN 2 line G3 2 Switch 0D Not used do not change these settings G3 2 Switch 0E Not used do not change these settings G3 2 Switch 0F Not used do not change these settings ...

Page 189: ...s bit to 0 if you want to have a protocol dump list of the last communication only This bit is only effective for the dump list D Bch1 1 7 Not used Do not change these settings G4 Internal Switch 04 No FUNCTION COMMENTS 0 2 Not used Do not change these settings 3 Auto data rate change for transmission 64 kbps to 56 kbps 0 On 1 Off 0 The machine automatically changes the transmission data rate from...

Page 190: ...ernal Switch 0F Not used do not change these settings G4 Internal Switch 10 Dch Layer 1 No FUNCTION COMMENTS 0 5 Not used Do not change these settings 6 INFO1 signal resend 0 Resend 1 No resend 0 Some DSUs may not reply to the INFO1 signal with INFO2 if there is noise in the INFO1 signal accidentally Try changing this bit to 0 to resend INFO1 before the machine displays CHECK INTERFACE 7 Not used ...

Page 191: ...nd subaddress to the SETUP signal to the receiver However some networks may require the machine to add this ID and or subaddress Only in this case should this bit be at 1 3 Attachment of the Lower Layer Capabilities 0 No 1 Yes This bit determines whether Lower Layer Capabilities are informed in the SETUP signal Keep this bit at 0 in most cases 4 Attachment of the Higher Layer Capabilities 0 Yes 1 ...

Page 192: ...n the SETUP message In rx mode this determines the information transfer capability that the machine can use to receive a call Set this bit to 1 if the ISDN does not support 3 1 kHz audio 1 2 Not used Do not change these settings 3 4 Channel selection in SETUP in tx mode Bit 4 3 Setting 0 0 Any channel 0 1 B1 channel 1 0 B2 channel 1 1 Not used Any channel When this is informed to the exchanger the...

Page 193: ...om the DSU as a model K200 is connected the machine receives most of the calls because the response time to a call is faster than the K200 If the customer wants the K200 to receive most of the calls adjust the response time using these bits If the customer does not want one machine to receive most of the calls use subaddresses to identify each terminal 2 Action when receiving SETUP signal containi...

Page 194: ...gnized bit 7 of bit switch 17 must be 1 Also bit 0 of the Communication Switch 07 must be at 0 or Fallback from G4 to G3 will be disabled 7 This bit determines whether fallback from G4 to G3 occurs on receipt of one of the CPS codes programmed in bit switch 17 or 18 or on receipt of a certain standard code 0 Fallback occurs on receipt of any of the following CPS codes Universal Euro ISDN 3 18 57 5...

Page 195: ...irements 1 Channel used in ISDN L2 64k mode 0 B1 1 B2 When making an IDSN L2 back to back test you can select either the B1 or B2 channel with this bit switch 2 7 Not used Do not change the factory settings G4 Internal Switch 1A CPS Code Used for G4 to G3 Fallback 3 No FUNCTION COMMENTS 0 6 Condition for fallback from G4 to G3 See the explanation for bits 0 to 6 of bit switch 17 7 Not used Do not ...

Page 196: ... the call may be without HLC information Identify the type of calling terminal and change this bit to 1 if the caller is not a fax machine 2 6 Not used Do not change these settings 7 Signal attenuation for G3 fax signals received from ISDN line 6dB 0 Off 1 On 0 If an analog signal comes over digital line the signal level after decoding by the TE is theoretically the same as the level at the entran...

Page 197: ...ch 07 No FUNCTION COMMENTS 0 3 Packet size Bit 3 2 1 0 Value 0 1 1 1 128 1 0 0 0 256 1 0 0 1 512 1 0 1 0 1024 1 0 1 1 2048 This value is sent in the CR packet This value must match the value stored in the other terminal or communication will stop CI will be returned If the other end returns CI check the value of the packet window size with the other party Note that this value must be the same as t...

Page 198: ... not change the default setting 4 7 Not used Do not change these settings G4 Parameter Switch 0C Not used do not change these settings G4 Parameter Switch 0D No FUNCTION COMMENTS 0 1 Back to back test mode Bit 1 0 Setting 0 0 Off 1 0 ISDN L2 test mode TE mode Other settings Not used When doing a back to back test or doing a demonstration without a line simulator use these bits to set up one of the...

Page 199: ...tion 08 parameter C C Country Decimal Hex USA 17 11 401F01 Line current detection time 20 ms Line current is not detected 401F02 Line current wait time if 401F01 contains FF 401F03 Line current drop detect time 401F04 PSTN dial tone frequency upper limit high byte 401F05 PSTN dial tone frequency upper limit low byte Hz BCD If both addresses contain FF H tone detection is disabled 401F06 PSTN dial ...

Page 200: ... PABX dial tone permissible drop time If 401F1B contains FF the machine pauses for the pause time 401F20 401F21 401F20 PABX wait interval high 401F21 PABX wait interval low 20 ms 401F22 PABX ring back tone detection time 20 ms 401F23 PABX ring back tone off detection time 20 ms If both addresses contain FF H tone detection is disabled 401F24 PABX detection time for the silent period after ring bac...

Page 201: ...ction is disabled 401F38 International dial tone detection time 401F39 International dial tone reset time low 401F3A International dial tone reset time high 401F3B International dial tone continuous tone time 401F3C International dial tone permissible drop time 401F3D International dial wait interval low 401F3E International dial wait interval high 20 ms If 401F38 contains FF the machine pauses fo...

Page 202: ...tion level of DTMF signals while dialing high frequency group N x 0 5 3 5 dBm Function 08 parameter 19 See Note 4 401F53 Tone attenuation value difference between high frequency tone and low frequency tone in DTMF signals N x 0 5 dBm Function 08 parameter 20 See Note 4 401F54 PSTN DTMF tone attenuation level after dialing high frequency group N x 0 5 3 5 dBm Function 08 parameter 21 See Note 4 401...

Page 203: ...02 401F73 Acceptable ringing signal frequency range 1 lower limit Function 08 parameter 03 401F74 Acceptable ringing signal frequency range 2 upper limit Function 08 parameter 04 401F75 Acceptable ringing signal frequency range 2 lower limit 1000 N Hz Function 08 parameter 05 401F76 Number or rings until a call is detected 1 Function 08 parameter 06 401F77 Minimum required length of the first ring...

Page 204: ...er operations Incoming DTMF tones shorter than the setting will not be detected 401FA1 Acceptable CED detection frequency upper limit high byte 401FA2 Acceptable CED detection upper frequency upper limit low byte BCD Hz If both addresses contain FF H tone detection is disabled 401FA3 Acceptable CED detection frequency lower limit high byte 401FA4 Acceptable CED detection upper frequency lower limi...

Page 205: ...If both addresses contain FF H tone detection is disabled 401FB3 Detection time for 800 Hz AI short protocol tone 20 ms Factory setting 360 ms 401FB4 PSTN Tx level from the modem N 3 dBm Function 08 parameter 01 401FB5 PSTN 1100 Hz tone transmission level N 401FB4 0 5N 401FB5 3 5 dBm 401FB6 PSTN 2100 Hz tone transmission level N 401FB4 0 5N 401FB6 3 dBm 401FB7 PABX Tx level from the modem dBm 401F...

Page 206: ...e dial parameters addresses 48094A to 48094F are the values for 10 pps If 20 pps is used the machine automatically compensates 3 The first ring may remain undetected until 1 to 2 5 wavelengths after the time specified by this parameter 4 The calculated level must be between 0 and 10 The attenuation levels calculated from RAM data are High frequency tone 0 5 x N401F52 401F54 3 5 dBm PSTN 0 5 x N401...

Page 207: ... of System Bit Switch 04 to 1 2 Access the required user tool for a Quick Dial number or a Speed Dial number and select the required number Example Change the Parameters in Quick Dial 10 a 1 Fax Features 1 Program Delete 01 Prog Quick Dial b Press the Quick Dial key 10 c Press 3 The settings for switch 01 are now displayed Press a number from 0 to 7 corresponding to the bit that you wish to change...

Page 208: ...with that terminal until the results are better 4 TX level setting 0 Enabled 1 Disabled bits 0 to 4 must all be at 1 to disable 0 When enabling the TX level setting change this bit to 0 then change the settings of bits 0 through 3 above 1 When disabling the TX level setting change all of the bits 0 through 4 to 1 5 6 Cable equalizer Bit 6 Bit 5 Setting 0 0 None 0 1 Low 1 0 Medium 1 1 High Use a hi...

Page 209: ...9 600 0 1 0 1 12 000 0 1 1 0 14 400 1 1 0 1 31 200 1 1 1 0 33 600 1 1 1 1 Setting disabled If training with a particular remote terminal always takes too long the initial modem rate may be too high Reduce the initial TX modem rate using these bits 4 5 Not used Do not change these settings 6 AI short protocol 0 Disabled 1 Enabled 0 AI short protocol is disabled for transmission 7 Not used Do not ch...

Page 210: ...If transmissions to a specific destination always end at a low modem rate 14 400 bps or lower disable V 8 protocol so that V 34 protocol will not be used 0 V 34 communication will not be possible 5 Compression modes available in transmit mode 0 MH only 1 All available compression modes This bit determines the capabilities that are informed to the other terminal during transmission 6 7 ECM during t...

Page 211: ...DN G3 information transfer capability for transmission Bit 3 Bit 2 Setting 0 0 Speech 0 1 3 1KHz Audio 1 0 Not used 1 1 Same as G4ISW 14 bit 0 This determines the information transfer capability informed in the SETUP message Set this bit to Speech if the ISDN does not support 3 1 kHz audio Note The setting of this switch has a higher priority than the G4 internal switch 13 bit 1 setting Informatio...

Page 212: ...al number 17 digits ASCII 400018 H Total program checksum low 400019 H Total program checksum high 40001A H Boot program checksum low 40001B H Boot program checksum high 40001C H Main program checksum low 40001D H Main program checksum high 40001E H RDS program update counter hex 400020 to 40003F H System bit switches 400040 to 40004F H Scanner bit switches 400050 to 40005F H Printer bit switches ...

Page 213: ...bled 4000F2 H User parameter switch 02 Bit 0 Forwarding mark printing on forwarded messages 0 Disabled 1 Enabled Bit 1 Center mark printing on received copies 0 Disabled 1 Enabled Bit 2 Reception time printing 0 Disabled 1 Enabled Bit 3 TSI included in transmitted messages 0 Disabled 1 Enabled Bit 4 Checkered mark printing 0 Disabled 1 Enabled Bit 5 CIL printing G4 0 Disabled 1 Enabled Bit 6 TID p...

Page 214: ...igh temperature standby mode 0 Off 1 On The machine maintains the operating temperature for 15 min after printing Bits 4 and 5 Restricted Access Bit 5 4 Setting 0 0 Disabled 0 1 Enabled at all times 1 0 Enabled during Night Timer periods only 1 1 Not used Bit 6 Fusing lamp control during energy saver mode 0 Lamp off Level 2 Low Power Standby 1 Standby temperature Level 1 Fax Standby Bit 7 Not used...

Page 215: ... Faxes from senders whose RTIs CSIs are not specified for this feature are accepted Bits 4 and 5 Specified cassette selection optional cassette required Bit 5 4 Setting X 0 Disabled 0 1 Faxes from senders whose RTIs CSIs are specified for this feature are printed to the paper in a specified cassette 1 1 Faxes from senders whose RTIs CSIs are not specified for this feature are printed to the paper ...

Page 216: ...e using the manual dial function 0 Disabled 1 Enabled Bit 5 Bit 6 Requires the user to press the Add key when specifying destination with Quick Dial 0 Off 1 On Bit 7 Output method for multiple sets 0 Stack 1 Sort 4000FA H User parameter switch 10 SWusr_0A Bit 0 Not used Bit 1 2 in 1 0 Disabled 1 Enabled Bit 2 Image Rotation 0 Disabled 1 Enabled Bit 3 Page Reduction 0 Disabled 1 Enabled Bit 4 Rotat...

Page 217: ... 0 PSTN 0 1 Extension Loop start 1 0 Extension Ground start 1 1 Extension Flash start Bits 2 and 3 PSTN 2 access method from behind a PABX Bit 1 0 Setting 0 0 PSTN 0 1 Extension Loop start 1 0 Extension Ground start 1 1 Extension Flash start Bits 4 and 5 Not used Bit 6 Action when the received Higher Layer Capabilities is Tel or Bearer Capabilities is Speech This switch is not listed on the User P...

Page 218: ...ssional server 0 Forward all documents 1 Only forward documents with Fax delivering IDs Bit 6 to 7 Not used 400101 H User parameter switch 17 SWusr_11 Bit 0 SMTP reception 0 Off 1 On Bit 1 Route documents received with SMTP 0 Off 1 On Bit 2 Respond to request for receipt confirmation 0 Off 1 On Bit 3 Not used Bit 4 Make a request for confirming reception when sending e mail 0 Off 1 On Bit 5 PDF fi...

Page 219: ...arameter switch 20 SWusr_14 Bit 0 Not used Bit 1 Ex Super fine mode in copy mode 0 Off 1 On Bit 2 Ex Super fine mode in transmission 0 Off 1 On Bit 3 Ex Super fine mode in reception 0 Off 1 On Bit 4 Vertical Blank Line Correction 0 Off 1 On Bit 5 Use name of the Personal Box as the fax header 0 Off 1 On Bit 6 Not used Bit 7 Scanner Cleaning Message 0 Off 1 On 400105 H User parameter switch 21 SWus...

Page 220: ...es Bit 1 Email Fax Transmission Auto Detection When enabled the machine can automatically detect whether or not the destination entered is an email address i e no need to prompt the user for an email vs IP confirmation saving time When disabled the machine will first ask whether the destination is an email or IP address then prompt the user to input the address 0 Disabled 1 Enabled Bits 2 to 5 Not...

Page 221: ...ber Service function 13 400217 to 400225 H Own fax number PABX 400226 to 400234 H Own fax number PSTN 400235 to 400243 H Own fax number ISDN G4 400244 to 400252 H ISDN G3 Subscriber Number 1 400253 to 400261 H ISDN G3 Subscriber Number 2 400262 to 400270 H G4 Subscriber Number 1 400271 to 40027F H G4 Subscriber Number 2 4002AE H ID code low BCD 4002AF H ID code high BCD 4002B0 H Confidential ID lo...

Page 222: ...ear BCD 4002DE H Month BCD 4002DF H Day BCD 4002E0 H Hour 4002E1 H Minute 4002E2 H Second 4002E3 H 00 Monday 01 Tuesday 02 Wednesday 06 Sunday 4002F0 to 4002F2 H Optional equipment Read only 4002F0 H Bit 1 40MB memory Bit 2 Function upgrade unit Bit 4 Bypass feeder Bit 7 1st PFU 4002F1 H Bit 0 2nd PFU Bit 1 3rd PFU Bit 2 4th PFU Bit 4 Printer unit Bit 6 ISDN unit 4002F2 H Bit 0 FOD Bit 2 JBIG Bit ...

Page 223: ...to 400349 H Paper feed counter 4th PFU 40034A to 434D H Bypass feed counter 400352 to 400355 H Scanner total jam counter 400356 to 400359 H Printer total jam counter 40035A to 40035D H Paper jam counter Standard cassette 40035E to 400361 H Paper jam counter 1st PFU 400362 to 400365 H Paper jam counter 2nd PFU 400366 to 400369 H Paper jam counter 3rd PFU 40036A to 40036D H Paper jam counter 4th PFU...

Page 224: ... SCN 4003BA to 4003BD H PC print counter PC PRT 4004E0 to 4004EB H G4 NSC code 4004EC to 400503 H G4 terminal ID ASCII Max 24 characters 400504 to 400507 H ISDN IP 400508 to 40050B H ISDN G3 sub address 40050C to 40050F H ISDN G4 sub address 400510 H SiG4 board ROM suffix 400511 H SiG4 ROM version 400512 to 400514 H SiG4 ROM Information 400512 H Year BCD 400513 H Month BCD 400514 H Day BCD 40051A ...

Page 225: ...imer start time 01 H Timer end time 40058A H Time for economy transmission hour in 24h clock format BCD 40058B H Time for economy transmission minute BCD 400598 to 40059F H Last Fax On Demand report printout Read only 400598 H 01 H 24 hour clock 00 H 12 hour clock AM 02 H 12 hour clock PM 400599 H Year BCD 40059A H Month BCD 40059B H Day BCD 40059C H Hour 40059D H Minute 40059E H Second 40059F H 0...

Page 226: ...m 1 An alarm has occurred Bit 4 Printer excessive jam alarm 1 An alarm has occurred Either or both of these bits will change to 1 when an excessive jam alarm occurs Reset each bit to 0 when you have solved the problem The machine will not be able to detect excessive jams in future if you do not reset these bits 4025DA H Fusing unit failure 05XX H 4025DE H LD failure 03XX H 4025E0 H Polygonal mirro...

Page 227: ...rameters for Quick 144 43C9CA to 43C9E9 H Dedicated tx parameters for Speed 00 43C9EA to 43CA09 H Dedicated tx parameters for Speed 01 43D62A to 43D649 H Dedicated tx parameters for Speed 99 43D64A to 4446C9 H Dedicated tx parameters for Speed Dial 100 999 optional Function Upgrade Unit required 43D64A to 43D669 Dedicated tx parameters for Speed 100 43D66A to 43D689 Dedicated tx parameters for Spe...

Page 228: ...atest 20 error communication records One error communication record consists of 94 bytes The format is as follows 1st byte Header Bit 0 Communication result 0 OK 1 NG Bit 1 Document jam 1 Occurred Bit 2 Power down 1 Occurred Bit 3 Not used Bit 4 Technical data printout instead of personal codes 0 No 1 Yes Bit 5 Type of technical data 0 Rx level 1 Measure of error rate Bit 6 Error report 0 Not prin...

Page 229: ...e Rx level or measure of error rate If bit 5 of the 1st byte is 0 20th byte Rx level low Hex 21st byte Rx level high Hex If bit 4 of the 1st byte is 1 20th byte Measure of error rate low Hex 21st byte Measure of error rate high Hex 22nd byte Final modem rate Bits 0 to 3 Final modem speed Bit 3 2 1 0 Setting 0 0 0 1 2 4k 0 0 1 0 4 8k 0 0 1 1 7 2k 0 1 0 0 9 6k 0 1 0 1 12 0k 0 1 1 0 14 4k 0 1 1 1 16 ...

Page 230: ...ation mode used Bit 7 6 5 4 Setting 0 0 0 0 Normal 0 0 0 1 Confidential 0 0 1 0 Polling 0 0 1 1 Transfer 0 1 0 0 Forwarding 0 1 0 1 Automatic Service Call 0 1 1 1 Transfer using DTMF UUI 1 0 0 0 Fax On Demand 51st byte Communication mode 2 Bit 0 Tx or Rx 0 Tx 1 Rx Bit 1 Reduction in Tx 0 Not reduced 1 Reduced Bit 2 Batch transmission 0 Not used 1 Used Bit 3 Send later transmission 0 Not used 1 Use...

Page 231: ...he error occurred 63rd to 66th byte 3rd error code and page number where the error occurred 67th to 70th byte 4th error code and page number where the error occurred 71st to 74th byte 5th error code and page number where the error occurred 75th to 78th byte 6th error code and page number where the error occurred 79th to 82nd byte 7th error code and page number where the error occurred 83rd to 86th...

Page 232: ...DF Scanning Units 01 mm Entering a larger value in the range 0000h 009Eh lowers the start position for scanning in the sub scan direction 4049C6 4040C7 4FH Adjustment of Registration for MDF Sub Scan Start Position Units 01 mm Entering a larger value in the range 0000h 009Eh lowers the start position for scanning in the sub scan direction 4049CC 4049CD 0EH Adjustment of Registration for ADF Main S...

Page 233: ...l Width Counter 4 6 Pixels Wide Increments by 1 every time an abnormal pixel 4 6 times wider than 1 pixel is detected If more than one pixel is detected the counter updates once for each pixel detected 45EE4C 45EED Abnormal Pixel Width Counter 7 12 Pixels Wide Increments by 1 every time an abnormal pixel 7 12 times wider than 1 pixel is detected If more than one pixel is detected the counter updat...

Page 234: ...ents of the following addresses Source Address Default Unit Main Frame 402466 0002H 0 5 mm 1st Optional Unit 402468 0000H 0 5 mm 2nd Optional Unit 40246A 0000H 0 5 mm 3rd Optional Unit 40246C 0000H 0 5 mm 4th Optional Unit 40246E 0000H 0 5 mm By pass Feeder 402470 0004H 0 5 mm 3 To move the start position to the right increase the value To move the start position to the left decrease the value For...

Page 235: ...fted 2 Adjust by changing the contents of the following addresses Source Address Default Unit Main Frame 40245A FFFEH 0 5 mm 1st Optional Unit 40245C FFFCH 0 5 mm 2nd Optional Unit 40245E FFFCH 0 5 mm 3rd Optional Unit 402460 FFFCH 0 5 mm 4th Optional Unit 402462 FFFCH 0 5 mm By pass Feeder 402464 FFFCH 0 5 mm 3 To lower the start position increase the default value To raise the start position red...

Page 236: ...ument Width Sensors 1 2 2 Pick up Roller 10 MDF Document Set Sensor 3 ADF Document Width Sensors 1 2 11 R1 Transport Roller 4 ADF Document Set Sensor 12 Scan Line Sensor 5 Feed Roller 13 CIS Unit 6 Reverse Roller 14 R3 Transport Roller 3 7 R0 Transport Roller 1 15 Exit Roller 8 MDF Document Table H310D943 WMF 1 2 3 4 5 6 7 8 9 10 11 13 12 14 15 ...

Page 237: ...bined output of the S1 B4 width B and A3 width C sensors If a document is set on the MDF table the MDF sensor D turns on and detects it The width is then detected based on the combined output of the MDF A3 F and MDF B4 E sensors In both cases the machine can detect three possible widths A4 B4 and A3 Paper size detection parameters A3 274 mm or greater B4 242 to 262 mm A4 230 mm or less H310D913 WM...

Page 238: ... R0 roller rotates faster than the feed roller B the pick up roller and feed roller add to the load on the scanner motor while the R0 roller feeds the document To prevent overloading a spring clutch is attached to the feed roller Also the pick up roller gear C attached to the pick up roller disengages from the driving gear train in the case of overload The motor is slower during MDF so that the op...

Page 239: ...ocument exit rollers F all responsible for feeding the document The scan line lies between the R1 and R2 rollers The scan line sensor S2 E is between the R1 and R2 rollers and detects when the leading and trailing edges of the document are at the scan line H310D917 WMFF H310D943 WMF A B C D E F ...

Page 240: ...t A is located below the R1 roller B and CIS unit C The timing of stamping the documents after scanning depends on the method of transmission immediate or memory transmission The front side of each page of the document is stamped 12 mm from the bottom edge H310D007 WMF A B C ...

Page 241: ...anner motor turns clockwise then counterclockwise and clockwise again This lifts the pick up roller to its ready position This is also done at the following times Just after the power is turned on Following jam removal When the scanner cover is opened and closed When a document is removed from the ADF H310D919 WMF ...

Page 242: ...entarily for peak level sampling With Address 401CAE the time between peak level samples can be adjusted and peak level sampling can be set for the first page only ADDRESS INITIAL DESCRIPTION 401CAE 0x1e Execution of white peak level correction can be adjusted with these settings 00h Every page same as FAX 5000L 1Eh Every 30 s default FFh Full non stop Peak level correction done for only the first...

Page 243: ...turn on during pick up roller unit initialization 5 Skip scanning error no error code If the S2 sensor turns off during skip transmission partial image scanning while the specified image area is supposed to be at the scan line 6 Document inserted into the MDF while the ADF is running no error code If any one of the three MDF sensors turns on during ADF operation 7 Document inserted into the ADF wh...

Page 244: ...he drum To prevent the toner from being attracted to a non image area the development bias is changed for non image areas Bias voltage 400 Vdc plus 1 6 kVp p 2 kHz ac Image Transfer A transfer roller transfers toner from the drum to the paper The value of the transfer bias depends on the paper size To clean the transfer roller negative bias is applied periodically Separation The paper discharge br...

Page 245: ...b scan Optical Path The LD unit A outputs the laser beam to the polygonal mirror B through the cylindrical lens C which focuses the laser beam The laser beam goes to the F theta mirror D 1st mirror E and BTL F Then the beam reaches the drum G through the shield glass H The beam reflected by the polygonal mirror writes the pixels of the latent image on the drum The F theta mirror ensures constant i...

Page 246: ... a photodiode PD The PD is enclosed in the laser diode The PD passes an electrical current to the LD driver IC and this IC adjusts its output level to keep the laser diode output constant The laser diode power level is adjusted on the production line Do not touch the variable resistors on the LD unit in the field LD Drive Board LD Driver LD PD VCC 5VDLF BAPCSH BLDDRDAT BLDON N H310D901 WMF ...

Page 247: ... on the LD 24 V line Mechanical Laser Shutter When the AIO cartridge is removed the laser shutter is released and this interrupts the laser beam LD Unit Service Call Condition Sub Code Error Code Description 0322 9 20 No polygonal motor synchronization signal detected Power Supply Unit FCU LD Drive Board LD Driver LD 24VE CN17 2 CN101 7 PD Voltage Regulator Interlock Switch CN31 FET H310D900 WMF ...

Page 248: ...nisms for drum charge development and cleaning The drum is 30 mm in diameter A Charge Roller B Cleaning Blade C OPC Drum D Transfer Roller E Guide Plate F Development Roller G Mixing Blade H Toner Near end Sensor I Agitators The main motor drives the rollers in the toner cartridge The charge roller A charges the drum C Mono component toner is used The cleaning blade B cleans the drum surface H310D...

Page 249: ...PRINTER 14 June 2002 6 14 Drive The main motor B drives the drum C the development roller A and agitators D through a series of gears The main motor speed is controlled by the FCU H310D923 WMF A C B D ...

Page 250: ...s 600Vdc and 1 05 kV peak to peak 1 kHz ac from the high voltage supply board This gives the drum surface a uniform negative charge of 600 V The dc and ac are continually supplied during the printing job This gives the drum surface a uniform 600 V charge wherever it passes the charge roller At the end of the job the dc is set to 0 V but the ac stays on While the drum rotates past the charge roller...

Page 251: ... development roller sleeve The doctor blade trims the toner to the desired thickness on the development roller sleeve The development roller does not contact the drum G There is a small gap between the toner on the surface of the development roller sleeve and the drum Toner jumps across this gap to develop the latent image The development bias consists of ac and dc components The ac component impr...

Page 252: ...on if the toner near end sensor detects that there is sufficient toner No adjustment is required after the sensor is replaced Toner Supply The toner in the toner cartridge is mixed by the agitators and mixing blade The toner near end sensor is not used to control toner supply When the machine is turned on or the left cover is closed the agitators and the mixing blade rotate to mix the toner for a ...

Page 253: ...ut of the cleaning unit The toner collection coil C and scraper D improve the collection of waste toner There is no toner recycling mechanism To discharge the OPC drum surface the LD is switched on after every 10 sheets printed if the 10 page interval expired during a job the machine waits until the end of the job Service Call Conditions for the Development Section Sub Code Error Code Description ...

Page 254: ...the transfer roller A feedback circuit inside the machine automatically keeps the transfer current constant The current depends on the paper size The transfer roller attracts the toner from the drum onto the paper Drive from the drum through a gear drives the transfer roller The discharge brush C and the curvature of the drum helps the paper to separate from the drum The discharge brush is connect...

Page 255: ...oller is then transferred back to the drum Then a positive cleaning bias is applied to the transfer roller to push back to the drum any toner which was positively charged by the transfer roller The machine goes through the cleaning mode in the following conditions After a printer jam has been cleared Just after the power is switched on After every 5 sheets printed if the 5 page interval expired du...

Page 256: ... 21 Detailed Descriptions 6 2 5 PAPER FEED Overview 1 Feed Roller 2 Transport Roller 3 By pass Tray 100 sheets 4 Registration Roller 5 Transfer Roller 6 AIO All In One Toner Cartridge 7 Fusing Unit H310D928 WMF 1 2 3 4 5 6 7 ...

Page 257: ...switches push switches detect the size of the paper loaded in the tray Paper near end sensor Actuates when about 50 sheets of paper remain in the tray and lights the paper end LED green After the last sheet feeds the paper end LED lights red to indicate paper out Paper feed The pick up roller and feed roller feed the copy paper from the paper tray but only the bottom sheet is fed because the separ...

Page 258: ...LEF and SEF in this table are with relation to the direction of paper feed long edge feed means that the long edge is going into the machine first They do not refer to the decals on the trays Paper size detection is based on the four paper size switches A on the main unit which detect the setting of the paper size dial B on the paper tray The paper size dial has grooves and ridges on the side faci...

Page 259: ...t motor A is activated lifting the bottom plate The plate rises until the upper limit sensor B detects the actuator C and stops the motor The paper end sensor D contains a photosensor When there is no paper remaining in the tray the actuator E drops through the opening in the bottom plate F causing the sensor to detect the paper end condition H310D937 WMF H310D938 WMF D C F B E A ...

Page 260: ...ers the near end sensor A This occurs when about 50 sheets are remaining in the tray At the same time the paper end LED is lit green Paper Feed The paper feed motor A and the feed clutch B turn on causing the pick up roller C to turn The paper is then guided by the paper feed roller D which is driven by the paper feed motor H310D939 WMF H310D940 WMF A B A B C D ...

Page 261: ... it Press down the lever to raise the guide plate so it presses against the bottom of the stack By pass Tray Paper Size Detection Paper size detection for the by pass tray is set manually The operator simply rotates the dial A to the correct setting for the size of the paper loaded in the by pass tray H310D010 WMF H310D011 WMFF A B A ...

Page 262: ...aper before it is fed to the transfer unit By pass Feeder Jam Detection 1 No Feed Jam error code 9 82 After the start of paper feed the registration sensor does not switch on after 2 seconds By pass Tray Capacity A4 and smaller Less than 100 sheets Larger than A4 Less than 10 sheets Paper Size standard A3 B4 A4 SEF LT LEF LT SEF LG SEF DLT SEF Paper Size non standard Non standard sizes can be used...

Page 263: ...ne 2002 6 28 6 2 6 FUSING Overview 1 Pressure Roller 2 Pressure Roller Release Lever 3 Pressure Spring 4 Fusing Lamp 5 Fusing Thermistor 6 Hot Roller 7 Exit Roller 8 Hot Roller Strippers H310D005 WMF 1 2 3 4 5 6 7 8 ...

Page 264: ... the hot roller by a large spring to maintain the correct pressure for fusing Hot roller strippers remove paper that sticks to the hot roller Fusing unit drive The fusing unit is driven by the main motor Fusing temperature control The temperature of the hot roller is controlled by switching the fusing lamp off and on at precise intervals prescribed by the paper size When the machine is switched on...

Page 265: ...ture of the hot roller for the CPU The CPU uses these temperature readings to determine when to switch the fusing lamp C off and on in order to maintain the optimum temperature of the hot roller The thermofuse D also constantly monitors the temperature of the hot roller and protects the fusing unit from overheating Fusing Unit Drive The main motor A drives the hot roller B through several gears Th...

Page 266: ...t roller strippers C separate the paper from the hot roller and direct the paper to the exit roller D Fusing Drive Release Pressing down the pressure roller release levers A rotates a cam that releases the pressure between the hot roller B and pressure roller C Releasing the pressure between the hot roller and pressure roller allows easy removal of jammed paper H310D002 WMF H310D934 WMF A B C D B ...

Page 267: ...ller until the thermistor detects the 1st fusing temperature As shown in the illustration above the fusing temperature is highest for the first part of the job t1 Then the temperature is gradually stepped down to prevent both ends of the hot roller from overheating Example For A4 paper the heat at both ends of the hot roller does not dissipate because these areas are not being used allowing the en...

Page 268: ...trol Temp 190 C 185 C 180 C 185 C 180 C 175 C 190 C T4 Control Temp 180 C 170 C 170 C 170 C 170 C 160 C 170 C t1 1 30 s 80 s 40 s 80 s 80 s 40 s 80 s t2 2 130 s 80 s 40 s 80 s 80 s 40 s 80 s Cooling Fan Control The cooling fan has three operation modes controlled by the temperature of the fusing unit The threshold temperature for control of the fan differs depending on whether the temperature is r...

Page 269: ... Unit Unit not installed or wrong fusing unit installed Destination code in PSU and fusing unit do not match 9 22 0548 High Fusing Temperature During printing a fusing temperature above the allowed error level detected for 10 s 9 22 0549 Low Fusing Temperature During printing fusing temperature below the allowed level detected for 6 s 9 22 0550 High Standby Temperature Fusing temperature failed to...

Page 270: ...IONAL PAPER FEED UNITS 6 3 1 OVERVIEW 1 Cover Switch 2 Paper Feed Clutch 3 Paper Feed Motor 4 Lift Motor 5 PFU Board 6 Paper Near end Sensor 7 Paper End Sensor 8 Upper Limit Sensor 9 Paper End LED 10 Paper Size Switch 11 Paper Feed Sensor H310D935 WMF 1 2 3 4 5 6 7 8 9 10 11 ...

Page 271: ...ifferent sized paper is used If this is not done images meant for paper sizes larger than the size selected on the dial will be partially cut off In addition to paper size detection this dial setting also provides the basis for jam detection timing The sensor also detects whether the tray has been inserted or not Paper Size Detection Optional PFU Paper Size SW1 SW2 SW3 SW4 No Tray OFF OFF OFF OFF ...

Page 272: ...turns on and the lift motor A is activated lifting the bottom plate The plate rises until the upper limit sensor B detects the actuator C and stops the motor The paper end sensor D contains a photosensor When there is no paper remaining in the tray the actuator E drops through the opening in the bottom plate F causing the sensor to detect the paper end condition H310D937 WMF H310D938 WMF A D C F B...

Page 273: ...ar end Detection When the paper supply in the tray becomes low the actuator B on the paper lift shaft enters the near end sensor A This occurs when about 50 sheets are remaining in the tray At the same time the paper end LED is lit green H310D939 WMF A B ...

Page 274: ...vates the mainframe registration sensor the motor of the optional paper feed unit will turn off even if the paper feed sensor is still on The machine s paper feed motor feeds the paper towards the drum The motor of the optional paper feed unit rotates at a high speed to feed the paper from the paper feed area to the registration roller After the paper has reached the registration roller and the re...

Page 275: ...rmistor LDDR Color CIS Video Circuit VPL IC Card Converter MIC NCU Speaker Speaker Driver Analog Circuit MODEM CIOP Counter Printer Controller DMA BUS CPU BUS NCU NSG3 JPEG Unit SIG4 Function Upgrade Unit NIC F NIC Board Plotter RSB FCU OPIF Board SRAM 4Mbit DRAM 128Mbit Back up FROM 32Mbit MBU Scanner H310D906 WMF ...

Page 276: ...acsimile Provides a standard fax IEEE802 3 IEEE802 u LAN interface and uses a CPU to effect protocol processing FCU Facsimile Control Unit The main board contains the following main components SPCP2 Ru30 CPU Communication Analog Circuits VPL MBU CIOP Backup Circuits Energy Save Circuits Interfaces for each electrical component Modem V34 Drivers The FCU controls the following vital functions Scanni...

Page 277: ...ntent while the machine is powered off DRAM Dynamic RAM The standard operating RAM of the machine The SAF backup circuit will maintain the DRAM content for up to about 12 hours if a power failure occurs while data are being stored in the SAF Converter 3V 5V Converter Interfaces between the 3V output of the FCU and the 5V required for operation of the service flash memory card IC Card Flash Memory ...

Page 278: ...onsists of a strip of photo diodes to illuminate the original and a strip of phototransistors covered by a row of self focusing lenses The CIS contacts the original directly so the size of the scanner unit can be reduced CIOP Communications and I O Processing The sub chip of the fax engine that controls communication and the I O circuits P P Power Pack and Power Pack Control Circuit Interfaces the...

Page 279: ...sensors all manual feed sensors upper limit sensor and the left cover open sensor Scanner Scanner Driver Drives the scanner ADF motors and interfaces with the scanner HP and other sensors PIF Printer Interface Board Interfaces the printer controller and the main machine This is the Printer Interface Unit Type 510 Printer Controller The printer controller board that provides the optional printer fe...

Page 280: ... BOARD The OPIF is an interface between the FCU and optional boards SG3 board SiG4 board NICF board JPEG board Function Upgrade FCU Buffer CPU BUS Reset Circuit Register Interrupter Register Energy Saver Decoder SG3 V34 SiG4 NICF and JPEG OPIF Function Upgrade H310D912 WMF ...

Page 281: ...ML Relay Noise Filter Surge Protection Over current Protection Surge Protection DC Loop L Transformer CHLSW DB1 H310D902 WMF Fusing Lamp Switching Circuit Transistor Control Circuit Photo coupler Voltege Detector DC DC Converter Primary Smoothing Circuit FET 24 V Smoothing Circuit Filter Circuit Filter Circuit 24 V Vaa1 24 V Vaa2 5 V COM PC2 PC1 T1 PC3 PC4 Relay RL1 N L N L AC IN Heater Out HTON 2...

Page 282: ...te Flash ROM The 16 Mbit Flash ROM stores the program code SDRAM The 64 Mbit SDRAM provides shared memory for the option bus and CPU the TX RX buffer for the LAN the work area for the CPU and program area for the CPU EEPROM The EEPROM is a 1 Kbit serial ROM 93C46 compatible It stores the MAC addresses and the initial parameters for the LANC register The MAC Medial Access Control settings are addre...

Page 283: ...ontrol is sublayer 2 of the OSI model The OSI Open System Interconnection reference model is a 7 layer fruitcake framework upon which network standards are hung Filter Module The filter module consists of an insulated transformer and choke coil FCU I U Interfaces the NICF with the FCU of the machine LAN I F Consists of an RJ 45 module jack and an 8 pin connector ...

Page 284: ...ontroller JBIG DSP V34 modem RL5T892 Includes the DTMF Receiver function DCR for MH MR MMR and JBIG compression and decompression FROM 8M flash ROM for SG3 software storage and modem software storage SDRAM 16M DRAM shared between ECM buffer line buffer and working memory AFE Analog Front End Analog processing CODEC COder DECoder AD DA conversions for modem REG Supplies 3 3 V from 5V of the FCU SG3...

Page 285: ...ol Processor 16 bit CPU which controls the entire board HDLC control Channel select for B channel interface control CODEC A D D A converter for ISDN G3 communication LAPD Controller ISDN layer 1 and LAPD control ROM 512 kB 4 Mbit Flash ROM for system software storage DRAM 2MB 16 Mbit DRAM ISDN Flash ROM DRAM ICCP SYSTEM BUS SiG4 CODEC LAPD Controller ISDN Interface Bch Reset Circuit Dch Analog I F...

Page 286: ...tails about how to read the table see the table on the next page Count Detection Parameters List NOTE The outlined numbers in the table below are added for emphasis here only to show where the counters are These squares do not appear on the actual System Parameter list printout 0 1 2 3 4 5 6 7 8 9 A B C D E F 45EE00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 45EE10 00 00 00 00 00 00 00 00 00 ...

Page 287: ...e on the scan line 10 or more consecutive times but was not there at the start of the next job for example the exposure glass was cleaned or the original brushed away the speck of dust 1 45EE48 9 Abnormal Pixel Width Counter 2 3 Pixels Wide Increments by 1 every time an abnormal pixel 2 3 times wider than 1 pixel is detected If more than one pixel is detected the counter updates once for each pixe...

Page 288: ...sage appears on the operation panel and warns you to clean the scanner when Pixels of abnormal width that cannot be corrected are detected three times consecutively Pixels of abnormal width that can be corrected are detected 10 times consecutively The scanning job is not interrupted when this message is displayed If paper dust is the cause of the problem for example the following sheets of the ori...

Page 289: ...nd the message is being displayed to do this press the Stop key 5 s Parallel Memory TX The transmission continues even after a blank page is detected However the operation can be stopped and the file deleted while the file is being stored in memory and the message is being displayed to do this press the Stop key 5 s Auto Document Name registration continues even after a blank page is detected Howe...

Page 290: ...hine can be in one of the following four states depending on various user parameter settings and on how much time has passed These four states are mentioned again at several points in this section refer back to this table if necessary to understand what happens in each of these states Energy Save Mode Display Fusing Lamp Main CPU Warmup 1 Power 2 Copy Standby High Temperature 170 C ON 10 s 30 W Fa...

Page 291: ...mission or print operation due to a paper jam paper near end paper end toner near end toner end toner cartridge not installed abnormally high fusing lamp temperature Memory area is not 100 other than when 40 M memory card is installed A condition exists when memory receiving is not possible such as when the machine refuses memory reception when there is no RTI CSI Setting the Energy Saver Mode Tim...

Page 292: ... to enable or disable the high temperature mode and set the time the machine remains in the high temperature mode when this setting is enabled Copy standby mode is enabled disabled with User Parameter SW05 Bit 3 Switch Bit3 Selection 0 Disabled SW05 1 Enabled The temperature of the fusing lamp remains at 170 C while the machine is in the Copy Standby High Temperature mode The length of time the ma...

Page 293: ...rgy Save standby depending on the setting of System Switch SW0B Bit 7 Switch Bit7 Selection 0 Full Energy Save Mode The CPU is powered off when the machine enters energy save mode SYS0B 1 Partial Energy Save Mode The CPU is not powered off when the machine enters the energy save mode When a print job starts print temperature control readies the machine for printing After the print job ends and the...

Page 294: ...r SW05 Bit 7 and Bit 6 See the previous page for details If the user has selected Energy Save Standby then the machine enters either Full or Partial Energy Save standby depending on the setting of System Switch SW0B Bit 7 See the previous page for details When a print job starts print temperature control readies the machine for printing After the print job ends and the machine has been idle for th...

Page 295: ...e night timer is on the fusing lamp is off if the machine is released from the energy saver mode by pressing the Clear Modes Energy Saver key setting and original for sending or copying or using off hook dialing the machine is released from the energy save mode temporarily and any documents received in memory are printed 4 When the amount of memory remaining does not meet the requirements for memo...

Page 296: ...l items for the Registered ID codes except user switch settings printed in the parameter list RTI CSI TTI and LAN settings are deleted Parameter list All Quick Dials All quick dial settings that are not used by group program box auto document box and standby files Quick dial registration list All Speed Dials All speed dial settings that are not used by group program box auto box and standby files ...

Page 297: ...ed under a Quick Dial key with the appropriate information for contacting the service then the operator can receive the information at the touch of one key Follow the procedure below to switch this feature on 1 Press the User Tools key 2 Select 1 Fax Features 1 Program Delete 01 Prog Quick Dial 3 Press a Quick Dial key and enter the required information For details refer to the operating instructi...

Page 298: ...pi Non ECM RX JBIG Save doc in memory SAF output Printing Copying Auto journal print G3 Immediate send G3 Memory send G3 Immediate receive G3 Memory receive G4 Immediate send G4 Immediate send G4 Immediate receive G4 Immediate receive Report send Mail send Mail receive LAN PC Fax Required Can be acquired Choice available machine selects automatically Example For G3 Immediate Send the machine uses ...

Page 299: ...x 0 Off Hook 6 The maximum number of points that can be taken up by jobs in progress at the same time is 24 For example the following two jobs cannot be done at the same time because the total number of points comes to 27 Memory Tx 600 dpi JBIG Memory Tx 600 dpi MMR 4 1 x 3 15 points 4 x 3 12 points Total 27 points Additional Dual Access Limitations Here is a list of other restrictions on resource...

Page 300: ... the same message can be sent simultaneously to different destinations on up to two outgoing lines if the outgoing lines are open Note that quick parallel memory transmission transmits the identical information only to the first destination This feature can be enabled by setting System Switch 1A Bit 0 to 1 Bit 0 1 Simultaneous SYS SW1A 0 Consecutive ...

Page 301: ...1B90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 471BA0 00 00 00 00 00 4B 00 0F 00 00 00 00 08 00 01 00 471BB0 00 00 0F 00 00 00 00 00 00 00 02 00 06 00 07 00 471BC0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 471BD0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 471BE0 00 CB 07 00 00 D3 07 00 00 DB 07 00 28 05 03 10 471BF0 40 2D 2D 2D 4B 31 03 14 40 2D 2D 2D 4B 23 03 14 471C00 40 2D 2D 2...

Page 302: ... Break Down HEX Hard Key 4B On Hook 48 4F Off Hook 48 46 Set original 44 4F Removed original manually 44 46 Auto reset timer activates 54 4F Power On 4F 4E Simultaneous Press 53 49 KEY PRESS KEY PRESS 01 Start 30 02 Stop 31 03 Copy Mode 04 Initial Setting 39 09 Left Scroll 41 Quick Dial 001 0A Right Scroll 42 Quick Dial 002 0B Speed Dial 0D Off Hook CF Quick Dial 143 0E Clear D0 Quick Dial 144 0F ...

Page 303: ... be connected to a LAN This function sends a color document as an attachment the machine does not function as a color fax The scanned data is stored in the memory on the JPEG board not in the SAF For this reason only immediate sending to one destination is possible When color scanning is selected Standard text usually scanned at 200 x 200 dpi is scanned at 100 x 100 dpi The following selections ar...

Page 304: ... LEF A4 LEF B4 SEF B5 LEF LG SEF LT SEF A4 SEF HLT SEF A5 LEF A3 DLT B4 A4 LG LT 6 5 9 SCAN RESOLUTION The scan resolution depends on the operation mode selected before the scanning job is executed The table below describes the differences in scan resolution for each operation mode Scan LED in dpi mm line mm Fax TX Internet Fax IP Fax B W Color Copy PC Fax Standard 100x100 Nego Standard 200x100 8x...

Page 305: ...er fine 600x600 Memory Capacity ECM 128 kbytes SAF Standard 7 Mbytes 560 pages With 40 Mbyte option plus Function Upgrade Unit 3000 pages Measured using ITU T 1 test document Slerexe letter Compression MH MR MMR JBIG SAF storage for memory tx MMR and raw data Protocol Group 3 with ECM Group 4 ISDN G4 option required Modulation V 34 TCM V 33 V 17 TCM V 29 QAM V 27ter PHM V 21 FM V 8 FM Data Rate bp...

Page 306: ...00 dpi Sub scan 600 dpi Printer Mode 1200 dpi Power Supply USA 115 20 Vac 50 1 Hz Power Consumption Base Machine Only Standby Minimum 2 W see Note Normal 30 W Transmitting 45 W Receiving 450 W Maximum 1000 W Copying 400 W Maximum 850 W Note 2W mode is not available if one of the following options is installed Printer interface unit G4 G3 interface NIC Internet Fax option Operating Environment Temp...

Page 307: ...fore tx A3 A4 O Scanning Resolution Standard O Scanning Resolution Detail O Video Processing Features Scanning Resolution Superfine O Scanning Resolution Ex Superfine O Communication Features Auto Automatic fallback O Automatic redialing O Confidential reception O Dual Access O Substitute reception O Communication Features User Selectable Action as a transfer broadcaster O AI Redial last ten numbe...

Page 308: ... override option O Busy tone detection O Cable Equalizer PSTN ISDN O H Closed Network tx and rx O Continuous Polling Reception O Dedicated tx parameters O ECM O Communication Features Service Selectable EFC X Inch mm conversion before transmission O mm inch conversion when printing O Page retransmission times O Protection against wrong conn O Resolutions available for reception 200 x 200 dpi 200 x...

Page 309: ...x List O Charge Control Report X File List O Group List O Personal Code List X Program List O Quick Dial List O Specified Sender List O Speed Dial List O Reports User initiated Journal O Transmission Status Report X User Function List X User Parameter List O Service Mode Features Auto Paper Select test X Back to back test X Bit switch programming O Book mode test X Buzzer test O Cable equalizer O ...

Page 310: ...44 Speed Dials 100 1000 Group Dials 9 30 Destinations per Group 250 250 Boxes Information Personal Transfer 150 400 Destinations dialed from the ten key pad overall 100 1000 Programs 144 programmed in 144 Quick Dial keys 244 programmed in 144 Quick Dial keys plus 100 Speed Dial codes Destinations per program 250 250 Auto Documents 144 programmed in 144 Quick Dial keys 244 programmed in 144 Quick D...

Page 311: ...uring the fusing process 10 Laser Unit Consists of the LDDR Laser Diode Driver focusing lens hexagonal mirror motor and other laser optic components 11 Paper Pick up Roller Picks up the top sheet of paper from the stack in the tray and feeds it into the printer 12 Paper Feed Roller Feeds the paper towards the registration roller 13 Bypass Unit 100 sheet optional paper feed unit 14 Registration Rol...

Page 312: ...COMPONENT LAYOUT 14 June 2002 Spec 8 1 3 2 ELECTRICAL COMPONENTS H310V002 WMF H310V001 WMF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 ...

Page 313: ...s contains Flash ROM for firmware SRAM for user setting and DRAM 41 PSU Power Supply Unit This board supplies power to the machine and switches the fusing lamp on off 42 FCU Facsimile Control Unit This board controls the machine 43 NIC Internet Fax This allows the machine to be connected to a LAN as an Internet fax 44 OPIF Option Interface Interfaces the optional interface boards with the FCU 45 F...

Page 314: ...m 11 7 document in the feeder 10 MDF A3 width Sensor This detects the presence of an A3 width 297 mm 11 7 document in the MDF 11 MDF B4 width Sensor This detects the presence of a B4 width 256 mm 10 1 document in the MDF 12 Scan Line Sensor This detects when a page is approaching the auto shading position 13 Document Sensor This detects the presence of a document in the feeder 14 MDF Sensor This d...

Page 315: ...s a red circle on each page that is successfully fed through the scanner for memory transmission or transmitted for immediate transmission 17 Fusing Lamp Located inside the hot roller heats the hot roller to the correct temperature for fusing 18 Registration Clutch Transfers drive from the paper feed motor to the registration roller 20 Paper Feed Clutch Transfers drive from the paper feed motor to...

Page 316: ...g unit used toner tank charge brush roller development roller and OPC drum 4 Paper Feed Roller Feeds the paper towards the registration roller 5 Paper Pick up Roller Picks up the top sheet of paper from the stack in the tray and feeds it into the printer 6 Paper Feed Motor This stepper motor drives the registration roller and the paper feed mechanisms in the main body and the bypass tray 7 Registr...

Page 317: ...IT PCB NIC NETWORK INTERFACE UNIT FUNCTION UPGRADE UNIT PCB NCU NETWORK CONTROL UNIT PCB SG3 D STANDARD G3 D PCB SIG4 STANDARD ISDN GROUP 4 CCU PAPER FEED UNIT PRINTER NITERFACE MEMORY CARD 40MB DATA Flash Disk BYPASS FEEDER UNIT NOISE FILTER HEATER CONTROL CIRCUIT POWER SUPPLY CIRCUIT RELAY TRAIAC HEATER THERMISTOR POWER SUPPLY UNIT FUSING UNIT LEFT THERMAL FUSE S16 RIGHT THERMAL FUSE S181 F1 F2 ...

Page 318: ...For optional printer unit 5V FCU For circuits and sensors 5V OPIF Mainly for SiG4 3VE FCU For circuits 3V FCU For circuits 1 4 2 MEMORY BACK UP CIRCUIT The MBU battery backs up the SRAM on the MBU which contains user settings Make sure the battery switch is kept in the ON position The FCU battery backs up the DRAM on the MBU for up to 12 hours This DRAM contains the basic work areas and SAF memory...

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