Ricoh PRO C751 Troubleshooting Manual Download Page 19

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When You Have Problems Operating the

Machine

This section describes common problems and messages. If other messages appear, follow the
instructions displayed.

Problem

Causes

Solutions

The operation switch
indicator continues blinking
and does not turn off when
pressed.

This occurs in the following
cases:

• The machine is

communicating with
external equipment.

• The hard disk is active.
• The machine is cooling

down.

Check if the machine is communicating
with external equipment.

The display is off.

The machine is in Energy
Saver mode.

Press the [Energy Saver] key to cancel
Energy Saver mode.

The display is off.

The operation switch is
turned off.

Turn on the operation switch.

Nothing happens when the
operation switch is turned
on.

The main power switch is
turned off.

Turn on the main power switch.

"Please wait." appears.

This message appears when
you turn on the operation
switch.

Wait for a while. If the machine does
not get ready in two minutes, contact
your service representative.

"Please wait." appears.

This message appears when
the machine is warming up.

• Wait for a while. If the machine

does not get ready in 10 minutes,
contact your service
representative.

• Wait until the message

disappears. Do not turn off the
main power switch while the
message is showing.

When You Have Problems Operating the Machine

Summary of Contents for PRO C751

Page 1: ...hine Does Not Operate As Wanted Clearing Misfeeds Appendix 1 2 3 For safe and correct use be sure to read the Safety Information in About This Machine before using the machine Troubleshooting Operating Instructions ...

Page 2: ......

Page 3: ...out This Machine Troubleshooting This manual Network and System Settings Reference Connecting to a network Changing the default settings of the system and related information Paper Settings Reference Security Reference Guide to Paper 1 ...

Page 4: ... Pausing Print When Using Finisher SR5030 or Booklet Finisher SR5040 26 When the Output Z folded Paper Is Less than the Stack Capacity 27 Finisher SR5030 or Booklet Finisher SR5040 27 Multi Folding Unit 28 When the Output Letter Fold out Paper Is Less than the Stack Capacity 29 When Large Size Paper Is Not Properly Aligned 31 When Coated Paper Is Not Properly Aligned 33 Using Thin Coated Paper 33 ...

Page 5: ...e of Finisher SR5030 54 When Rb1 Rb5 Is Displayed in the Case of Booklet Finisher SR5040 55 When Rb6 Rb9 Is Displayed in the Case of Booklet Finisher SR5040 55 When Rb10 Rb17 Is Displayed in the Case of Booklet Finisher SR5040 56 When Rt1 or Rt2 Is Displayed 56 When U Is Displayed 57 When V Is Displayed 58 When Z Is Displayed 58 Removing Jammed Staples 59 Finisher SR5030 60 Booklet Finisher SR5040...

Page 6: ...ettings Reference Explains how to connect the machine to a network and how to configure and operate the machine in a network environment It also explains how to change System Settings how to specify Adjustment Settings for Operators and how to register information in the Address Book Paper Settings Reference Explains how to make paper settings for each tray using the paper library which contains o...

Page 7: ...Guide to Paper Explains paper characteristics and methods for handling paper Manuals provided are specific to machine types In addition to the above manuals are also provided for the Printer function 5 ...

Page 8: ...result of handling or operating the machine For good output quality the manufacturer recommends that you use genuine toner from the manufacturer The manufacturer shall not be responsible for any damage or expense that might result from the use of parts other than genuine parts from the manufacturer with your office products 6 ...

Page 9: ... control panels Indicates instructions in book form Indicates instructions stored in a file on a provided CD ROM Names of Major Items Major items of this machine are referred to as follows in this manual Multi Bypass Tray BY5010 optional Multi bypass tray Tray 6 LCIT RT5060 optional Wide Large Capacity Tray Wide LCT Multi Folding Unit FD5010 optional Multi folding unit Buffer Pass Unit Type 5010 o...

Page 10: ...trations in this manual might be slightly different from the machine Certain options might not be available in some countries For details please contact your local dealer Depending on which country you are in certain units may be optional For details please contact your local dealer 8 ...

Page 11: ...runs out For details see Loading Paper About This Machine Add Toner indicator Appears when toner runs out For details see Adding Toner About This Machine Add Staple indicator Appears when staples run out For details see Adding Staples About This Machine Waste Toner Full indicator Appears when the waste toner bottle is full Contact your service representative Empty Hole Punch Receptacle indicator A...

Page 12: ...Indicator Status Open Cover indicator Appears when one or more covers of the machine are open 1 When the Machine Does Not Operate As Wanted 10 1 ...

Page 13: ...ntion light or the machine CAL154 The attention light notifies the user by light when there is a paper jam or no paper is left The colors of the lamp and their meanings are as follows Lamp Status The bottom lamp lights blue Printing The top lamp lights red Error Example Paper jam Out of paper Out of toner Memory overflow Read the message on the display panel and then take appropriate action Attent...

Page 14: ...op lamp flashes yellow Warning Example Toner has nearly run out Waste toner bottle is nearly full Read the message on the display panel and then take appropriate action 1 When the Machine Does Not Operate As Wanted 12 1 ...

Page 15: ...s fully warmed up or has revived from Energy Saver mode and is ready for use Five long beeps repeated four times Soft alert A paper tray is empty Five short beeps repeated five times Strong alert The machine requires user attention because paper has jammed the toner needs replenishing or other problems have occurred You cannot stop the beeping If covers are opened and closed repeatedly when cleari...

Page 16: ...oaded in the paper trays Binding Ring Comb Type Displays the binding ring comb type No Binding Ring Combs Displays whether there are binding ring combs remaining Output Tray Full Displays whether the output tray is overloaded Paper Misfeed Displays state of and solutions for paper misfeeds Cover Open Indicates the cover that is open Comb Punch Receptcl Full Displays whether the comb punch waste re...

Page 17: ... number that are required for service Sales Representative Displays the sales representative s telephone number Supply Order Displays the contact number for placing orders for supplies Supply Details Displays the types of toner staples and other supplies for this machine 1 On the display panel press System Status 2 Press each tab and then check the contents 3 After checking the information press E...

Page 18: ...nch Receptcl Full and Waste Paper Receptcl Full appear on the Maintenance Info tab only when these errors occur Depending on the security settings the Machine Address Info tab might not be displayed For details about how to locate and remove misfeeds see p 37 Removing Jammed Paper 1 When the Machine Does Not Operate As Wanted 16 1 ...

Page 19: ...ver key to cancel Energy Saver mode The display is off The operation switch is turned off Turn on the operation switch Nothing happens when the operation switch is turned on The main power switch is turned off Turn on the main power switch Please wait appears This message appears when you turn on the operation switch Wait for a while If the machine does not get ready in two minutes contact your se...

Page 20: ...s set Enter your login user name and login password For details see When the Authentication Screen is Displayed About This Machine Authentication has failed appears The entered login user name or login password is not correct Enquire the user administrator for the correct login user name and login password Authentication has failed appears The machine cannot perform authentication Contact the admi...

Page 21: ...r of undetectable size has been loaded Remove misfed paper For details see p 37 Removing Jammed Paper When paper is loaded which cannot be detected automatically the user must set the paper size on the display panel For details see Changing to a Size That Is Not Automatically Detected About This Machine Misfeeds occur frequently There is a foreign object on the finisher tray Remove misfed paper Fo...

Page 22: ...ion was set to On Make sure you set Skew Detection to Off when printing envelopes with a non rectangular flap For details about setting of skew detection see Adjustment Settings for Operators Network and System Settings Reference When printing to envelopes the envelopes may be fed in together or the envelopes may not be fed The envelopes are curled Make sure you fully flatten curled envelopes befo...

Page 23: ...Yes Cannot print in duplex mode You cannot select duplex printing if the paper type is set to Label Paper Translucent Paper OHP Transparency Envelope or Tab Stock In Tray Paper Settings under Tray 2 6 select a paper type other than Label Paper Translucent Paper OHP Transparency Envelope and Tab Stock The multi folding unit outputs sheets with creased edges when gate fold is applied The paper is cu...

Page 24: ...stem Settings Reference Output paper to the stacker tray does not align properly When using coated paper the output paper to the stacker tray might fail to align properly Select Adjust Curl Weak or Adjust Curl Strong under Adjust Paper Curl in Adjustment Settings for Operators For details about the Adjustment Settings for Operators see Adjustment Settings for Operators Network and System Settings ...

Page 25: ... Machine Curled paper causes misfeeds soiled paper edges or slipped positions while performing staple or stack printing When using curled paper first straighten the curl with your hands or by placing the paper upside down Also lay paper on a flat surface to prevent paper from curling and do not lean it against the wall When You Have Problems Operating the Machine 23 1 ...

Page 26: ...istration shifting might occur By performing color registration adjustment you can maintain optimum print results 1 Press the User Tools key CAL163 2 Press Maintenance 3 Press Color Registration 4 Press OK Auto color registration takes about 20 to 30 seconds When it is completed the display returns to the color registration menu 5 Press Exit twice to return to the initial display 1 When the Machin...

Page 27: ...usting the Image Position Depending on your machine the procedure for adjusting the image position may be slightly different For details contact the machine administrator Adjusting the Image Position 25 1 ...

Page 28: ... printing prints might not stack properly If this happens suspend the job remove the prints and then restart the job 1 Press the Suspend Resume key CDN007 2 Remove the stack of paper from the finisher shift tray CDN008 3 Press the Suspend Resume key to restart the print You can suspend printing only when the finisher s shift tray is selected as the output tray 1 When the Machine Does Not Operate A...

Page 29: ...han the stack capacity If this occurs use the Z fold support tray Finisher SR5030 or Booklet Finisher SR5040 1 Press the Suspend Resume key CDN007 2 Remove the prints 3 Set the Z fold support tray for the finisher shift tray Attach the Z fold support tray by inserting the two protrusions on its underside into the holes on the finisher shift tray CDN010 4 Press the Suspend Resume key to restart the...

Page 30: ...y for multi folding unit to the right and then set it in place CDN003 When you have finished using the Z fold support tray for multi folding unit lift it up and slide the tray to the left and then lower it CDN001 1 When the Machine Does Not Operate As Wanted 28 1 ...

Page 31: ...less than the stack capacity If this occurs use the Z fold support tray for multi folding unit and the output holding unit for letter fold out 1 1 2 2 CDN022 1 Z fold support tray for multi folding unit 2 Output holding unit for letter fold out 1 Lift up and slide the Z fold support tray for multi folding unit to the right and then set it in place CDN003 When the Output Letter Fold out Paper Is Le...

Page 32: ...tter fold out CDN002 When you have finished using the Z fold support tray for multi folding unit and the output holding unit for letter fold out return each to their previous positions CDN004 1 When the Machine Does Not Operate As Wanted 30 1 ...

Page 33: ...rger is not properly aligned or falls from the finisher shift tray when using Finisher SR5030 or Booklet Finisher SR5040 1 Press the Suspend Resume key CDN007 2 Remove the prints 3 Pull out the finisher shift tray s extension CDN011 4 Set the auxiliary paper tray CDN012 When Large Size Paper Is Not Properly Aligned 31 1 ...

Page 34: ...5 Press the Suspend Resume key to restart the print 1 When the Machine Does Not Operate As Wanted 32 1 ...

Page 35: ...ens use an auxiliary tray There are two types of auxiliary trays Use the auxiliary tray which corresponds to the weight of the coated paper Using Thin Coated Paper When the paper weight is 105 0 g m2 28 lb Bond or less paper thickness Paper Weight 3 and the paper size is B4 8 1 2 14 or larger use the auxiliary tray for thin coated paper 1 Press the Suspend Resume key CDN007 2 Remove the prints 3 P...

Page 36: ... flat or curl upward For details about the paper curl correction function see Adjustment Settings for Operators Network and System Settings Reference If the output paper fails to align properly on the auxiliary tray for thin coated paper use the auxiliary paper tray For details about setting the auxiliary paper tray see p 34 Using Thick Coated Paper When removing the output paper make sure the aux...

Page 37: ...paper tray CDN012 5 Press the Suspend Resume key to restart the print If the output paper fails to align properly on the auxiliary paper tray use the auxiliary tray for thin coated paper For details about setting the auxiliary tray for thin coated paper see p 33 Using Thin Coated Paper When Coated Paper Is Not Properly Aligned 35 1 ...

Page 38: ...1 When the Machine Does Not Operate As Wanted 36 1 ...

Page 39: ...ing binder and the space under the ring binder tray You can trap your fingers if you do not When clearing misfeeds do not turn off the operation switch If you do your settings will be lost When removing jammed sheets take care to touch only those areas explicitly indicated in the manual Do not remove the fusing unit Doing so will result in loss of print quality To prevent misfeeds do not leave any...

Page 40: ... the misfed paper following the procedures stated on the sticker inside the finisher or front cover The location of the paper jam misfeed is indicated by the letter shown on the display panel CEQ009 1 Press Instruction Details 2 Clearing Misfeeds 38 2 ...

Page 41: ...p press Previous Press Entire View the entire machine is displayed 4 When all jammed paper is removed restore the machine to the original state More than one misfeed may be indicated When this happens check all the areas indicated If there is no misfed paper in the first area you check see the other areas that are indicated Removing Jammed Paper 39 2 ...

Page 42: ...overs Open both front covers Remove misfed paper Return lever A1 to its original position When B1 Is Displayed CDN036 Lower lever A1 Close both front covers Open both front covers Return the lever A1 to its original position Turn knob B2 clockwise and then remove misfed paper Return lever B1 to its original position Turn lever B1 to the left Remove misfed paper 2 Clearing Misfeeds 40 2 ...

Page 43: ...n knob B6 counterclockwise and then remove misfed paper Remove misfed paper Turn lever B5 to the left and then pull out the unit Close the clear cover Return lever B5 to its original position Close both front covers Return lever B1 to its original position When C Is Displayed CDN030 Turn lever C1 to the left and then pull out the unit Open both front covers Remove misfed paper Return the unit to i...

Page 44: ...2 Remove misfed paper If you cannot remove the misfed paper remove it from the right side of the unit Raise lever D3 and then remove misfed paper Raise lever D4 and then remove misfed paper Return lever D4 to its original position Return levers D2 and D3 to their original positions Return lever D5 to its original position Return the unit to its original position Return lever C1 to its original pos...

Page 45: ...lot on the unit and then insert it CDN041 3 Turn the knob counterclockwise until the misfed paper comes out from the right side of the unit and then remove it CDN040 4 Return the knob to its original position Removing Jammed Paper 43 2 ...

Page 46: ...When E Is Displayed CDN032 Close the front left cover Open the front left cover Remove misfed paper 2 Clearing Misfeeds 44 2 ...

Page 47: ...e illustrations on the unit Open Kc6 cover and then remove misfed paper Close Kc6 cover Open Kc7 cover and then remove misfed paper Close Kc7 cover Open Kc8 cover and then remove misfed paper Close Kc8 cover Open the buffer pass unit front cover CEQ002 Open Kc9 cover and then remove misfed paper Close Kc9 cover Return the unit and lever Kc5 to their original positions Close the buffer pass unit fr...

Page 48: ... paper Remove misfed paper and then close the stacker front cover CEQ007 Open the stacker front cover Open the stacker upper cover Return lever L1 to its original position Return lever L2 to its original position Raise lever L3 Return lever L5 to its original position Close the stacker upper cover Press the paper jam button on the stacker control panel Return lever L3 to its original position 2 Cl...

Page 49: ...r Mc2 to its original position Return lever Mc3 to its original position Return lever Mc4 to its original position Close the ring binder front right and front left covers When Mc5 or Mc6 Is Displayed CEQ005 Pull down lever Mc5 and then remove misfed paper Raise lever Mc6 and then remove misfed paper Open the ring binder front right and front left covers Return lever Mc5 to its original position Re...

Page 50: ... the ring binder front right cover Lower lever Mc7 Return the unit to its original position Return lever Mc7 to its original position Remove any bound booklets that are inside the machine Close the ring binder front right cover Remove any jammed bound booklets from the paper exit 2 Clearing Misfeeds 48 2 ...

Page 51: ...When N1 N5 Is Displayed CDN025 Removing Jammed Paper 49 2 ...

Page 52: ...pull the lever to the right to open the cover N10 illustration below Remove misfed paper Remove misfed paper Remove misfed paper from inside Pull the lever N10 towards you and then check the lock is released Pull handle N9 and pull the unit fully out clockwise clockwise clockwise 2 Clearing Misfeeds 50 2 ...

Page 53: ...CDN024 Removing Jammed Paper 51 2 ...

Page 54: ...y cover Open the interposer lower tray cover Close the interposer upper tray cover and interposer lower tray cover Remove misfed paper Remove misfed paper Open the interposer main cover and right cover Turn knob Q1 counterclockwise Close the interposer main cover and right cover Open the interposer base cover Remove misfed paper Return the guide board to its original position Turn knob Q2 counterc...

Page 55: ...emove misfed paper Turn lever Rb4 to the right and then remove misfed paper Raise lever Rb5 to the right and then remove misfed paper Open the finisher front cover Return lever Rb1 to its original position Return lever Rb4 to its original position Return lever Rb5 to its original position Close the finisher front cover Return lever Rb3 to its original position Removing Jammed Paper 53 2 ...

Page 56: ...positions Pull lever Rb9 to the left Remove misfed paper Close the finisher front cover When Rb12 Rb13 Is Displayed in the Case of Finisher SR5030 CDN015 Return the staple unit to its original position and then close the finisher front cover Pull handle Rb12 and then pull out the staple unit Raise lever Rb13 and then remove misfed paper Open the finisher front cover Return lever Rb13 to its origin...

Page 57: ...t cover Return lever Rb1 to its original position Return lever Rb4 to its original position Return lever Rb5 to its original position Close the finisher front cover Return lever Rb3 to its original position When Rb6 Rb9 Is Displayed in the Case of Booklet Finisher SR5040 CDN020 Turn knob Rb8 and then remove misfed paper Open the finisher front cover Lower lever Rb6 Pull lever Rb7 to the left Retur...

Page 58: ...d then remove misfed paper Return lever Rb13 to its original position Return lever Rb17 to its original position Remove misfed paper Open the finisher front cover Turn knob Rb10 Turn knob Rb11 9 to 11 times When Rt1 or Rt2 Is Displayed Turn lever Rt1 to the right and then remove misfed paper Turn lever Rt2 to the left and then remove misfed paper Return lever Rt2 to its original position Close the...

Page 59: ...ower lever U5 Turn knob U6 and then remove misfed paper Return lever U5 to its original position Remove misfed paper Turn knob U7 and then remove misfed paper Return lever U3 to its original position Close the Wide LCT front cover Next follow the procedure under the When B Is Displayed If coated paper frequently becomes jammed and causes U to appear contact your service representative Removing Jam...

Page 60: ...e two units to their original positions Close both front covers Remove misfed paper and then return lever Z4 to its original position Remove misfed paper Return lever A1 to its original position Turn knobs Z1 and Z2 Lower lever Z3 by pressing it down Remove misfed paper and then return lever Z3 to its original position Lower lever Z4 by pressing it down Lower lever A1 Turn lever C1 to the left and...

Page 61: ...ay cause staples to jam To avoid this turn paper over in the tray After jammed staples are removed the stapler will automatically staple up to 10 times without stapling paper If a staple jam occurs on the saddle stitch the stapler will not staple after the jammed staples are removed Remove the jammed staples according to the finisher type Check the type if you are unsure For details about the type...

Page 62: ...l out staple unit Turn knob Rb19 counterclockwise to rotate the staple unit Pull out the cartridge gently Return the staple unit to its original position Close the finisher front cover Pull down the face plate until it clicks Push the cartridge until it clicks Pull out the cartridge lever Open the face plate of the cartridge 2 Clearing Misfeeds 60 2 ...

Page 63: ... and then pull out staple unit Turn knob Rb19 counterclockwise to rotate the staple unit Pull out the cartridge gently Return the staple unit to its original position Close the finisher front cover Pull down the face plate until it clicks Push the cartridge until it clicks Pull out the cartridge lever Open the face plate of the cartridge Removing Jammed Staples 61 2 ...

Page 64: ...then push in the cartridge Remove jammed staples Pull out the cartridge gently Return the staple unit to its original position Close the finisher front cover Pull up the face plate of the cartridge until it clicks Push down the cartridge until it clicks Pull out the cartridge levers Open the face plate of the cartridge 2 Clearing Misfeeds 62 2 ...

Page 65: ...tridge While pressing down the blue buttons at the bottom of the cartridge remove the jammed ring combs carefully Reinsert the cartridge push it into place and then close the cartridge cover Open the ring binder front right cover Open the cartridge cover Pull out the ring comb cartridge Remove the jammed ring combs from the ring binder Close the ring binder front right cover The ring combs set in ...

Page 66: ... reinstalled If the message is still displayed reinstall the comb binding punch receptacle or punch waste box Finisher SR5030 or Booklet Finisher SR5040 CAL132 Open the finisher front cover Pull out the punch waste box Remove punch waste Reinstall the punch waste box Close the finisher front cover Ring Binder CAL133 Open the ring binder front right cover Using both hands pull out the comb binding ...

Page 67: ...essage appears remove staple waste While the message is displayed you cannot use the staple function The message is displayed until the staple waste box is reinstalled If the message is still displayed reinstall the staple waste box CAL135 Open the finisher front cover Pull out the staple waste box Remove staple waste Reinstall the staple waste box Close the finisher front cover Removing Staple Wa...

Page 68: ...s how to remove the paper waste produced by the trimmer unit CEQ008 Reinstall the waste paper receptacle Open the trimmer front cover Pull out the waste paper receptacle Remove waste paper Close the trimmer front cover 2 Clearing Misfeeds 66 2 ...

Page 69: ...nited States and or other countries Windows is either a registered trademark or a trademark of Microsoft Corporation in the United States and or other countries Other product names used herein are for identification purposes only and might be trademarks of their respective companies We disclaim any and all rights to those marks 67 3 ...

Page 70: ...3 Appendix 68 3 ...

Page 71: ...4 Removing staple waste 65 Removing waste paper 66 Ring binder 63 64 S Symbols 7 T Trademarks 67 Trimmer unit 66 W When A is displayed 40 When B is displayed 41 When B1 is displayed 40 When C is displayed 41 When coated paper is not properly aligned 33 When D is displayed 42 When E is displayed 44 When K is displayed 45 When L is displayed 46 When large size paper is not properly aligned 31 When M...

Page 72: ...6 When the output letter fold out paper is less than the stack capacity 29 When the output z folded paper is less than the stack capacity 27 When U is displayed 57 When V is displayed 58 When Z is displayed 58 Z Z folded paper 27 70 ...

Page 73: ...MEMO 71 ...

Page 74: ...MEMO 72 EN US M044 7524 ...

Page 75: ... 2011 ...

Page 76: ...Troubleshooting Operating Instructions M044 7524 EN US ...

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Ricoh PRO C751, Troubleshooting Manual

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