• Code: C11A2
• Description: Accommodation roller pressure/ retraction malfunction (When FS-534 or FS-534SD is installed) The receiving roller retraction sensor (PS11) is not turned ON (blocked) or OFF (unblocked) even after the set period of time has elapsed after the receiving roller retraction motor (M4) is turned ON.
• Causes: • Receiving roller retraction motor (M4) • Receiving roller retraction sensor (PS11) • FS control board (FSCB)
• Remedy: 1. Check the connector between M4-FSCB J4 for proper connection and correct as necessary. 2. Check the connector of M4 for proper drive coupling and correct as necessary. 3. Check the connector between PS11-FSCB J4 for proper connection and correct as necessary. 4. PS11 I/O check, sensor check • Control signal: FSCB J4<B>-16 (ON) • Location of electrical component: FS-534 13-C 5. M4 operation check • Control signal: FSCB J4<A>-1 to 4 • Location of electrical component: FS-534 11-C to D 6. Replace M4. 7. Replace FSCB. NOTICE • Link to the wiring diagram (N.2.6 FS-534) • Link to the layout drawings for related parts by each trouble code (S.36. C11A2)

• Code: C11E1
• Description: Paper exit switching drive malfunction (When FS-534 or FS-534SD is installed) The exchange folded knife home position sensor (PS30) is not turned ON (blocked) or OFF (unblocked) even after the set period of time has elapsed after the FNS entry transport motor (M2) is turned ON.
• Causes: • FNS entry transport motor (M2) • Exchange folded knife home position sensor (PS30) • FS control board (FSCB)
• Remedy: 1. Check the connector between M2-FSCB J9 for proper connection and correct as necessary. 2. Check the connector of M2 for proper drive coupling and correct as necessary. 3. Check the connector between PS30-FSCB J4 for proper connection and correct as necessary. 4. PS30 I/O check, sensor check • Control signal: FSCB J4<A>-15 (ON) • Location of electrical component: FS-534 12-C 5. M2 operation check • Control signal: FSCB J9<A>-1 to 4 • Location of electrical component: FS-534 10 to 11-B to C 6. Replace M2. 7. Replace FSCB. NOTICE • Link to the wiring diagram (N.2.6 FS-534) • Link to the layout drawings for related parts by each trouble code (S.37. C11E1)

• Code: C1402
• Description: FS nonvolatile memory error (When FS-533 is installed) When the main power switch is turned ON, malfunctioning of the nonvolatile memory on the FS control board (FSCB) is detected.
• Causes: FS control board (FSCB)
• Remedy: 1. Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. 2. Rewrite the firmware. 3. Replace FSCB. NOTICE • Link to the layout drawings for related parts by each trouble code (S.38. C1402)

• Code: C2152
• Description: Transfer belt fault at initial position return. The 1st transfer pressure sensor (PS39) is unable to detect "switch from retraction to pressure" or "switch from pressure to retraction" within a given period time after the 1st transfer pressure clutch (CL5) has stared engagement during an initial position return.
• Causes: • Fusing motor (M3) • 1st transfer pressure clutch (CL5) • 1st transfer pressure sensor (PS39) • MFP board (MFPB)
• Remedy: 1. Check the connector between M3-MFPB CN11E for proper connection and correct as necessary. 2. Check the connector of M3 for proper drive coupling and correct as necessary. 3. Check the connector between PS39-relay CN24-MFPB CN7E for proper connection and correct as necessary. 4. Check the connector between CL5-relay CN29-MFPB CN12E for proper connection and correct as necessary. 5. PS39 I/O check, sensor check • Control signal: MFPB CN7E<B>-13 (ON) • Location of electrical component: 22-C 6. CL5 operation check • Control signal: MFPB CN12E-12 (ON) • Location of electrical component: 5-C 7. M3 operation check • Control signal: MFPB CN11E-11 (REM), MFPB CN11E-14 (FGP) • Location of electrical component: 3-C 8. Replace M3. 9. MFPB F13E conduction check 10. Replace MFPB. NOTICE • Link to the wiring diagram (N.1. bizhub C287/C227) • Link to the layout drawings for related parts by each trouble code (S.39. C2152, C2153, C2154, C2155, C2156)

• Code: C2153
• Description: Transfer belt spacing fault at K pressure switching. The 1st transfer pressure sensor (PS39) does not detect “switch from pressure to retraction” within a given period time after 1st transfer pressure clutch (CL5) has stared engagement.
• Causes: • Fusing motor (M3) • 1st transfer pressure clutch (CL5) • 1st transfer pressure sensor (PS39) • MFP board (MFPB)
• Remedy: 1. Check the connector between M3-MFPB CN11E for proper connection and correct as necessary. 2. Check the connector of M3 for proper drive coupling and correct as necessary. 3. Check the connector between PS39-relay CN24-MFPB CN7E for proper connection and correct as necessary. 4. Check the connector between CL5-relay CN29-MFPB CN12E for proper connection and correct as necessary. 5. PS39 I/O check, sensor check • Control signal: MFPB CN7E<B>-13 (ON) • Location of electrical component: 22-C 6. CL5 operation check • Control signal: MFPB CN12E-12 (ON) • Location of electrical component: 5-C 7. M3 operation check • Control signal: MFPB CN11E-11 (REM), MFPB CN11E-14 (FGP) • Location of electrical component: 3-C 8. Replace M3. 9. MFPB F13E conduction check 10. Replace MFPB. NOTICE • Link to the wiring diagram (N.1. bizhub C287/C227) • Link to the layout drawings for related parts by each trouble code (S.39. C2152, C2153, C2154, C2155, C2156)

• Code: C2154
• Description: Transfer belt contact fault at all pressure switching. The 1st transfer pressure sensor (PS39) does not detect “switch from retraction to pressure” within a given period time after 1st transfer pressure clutch (CL5) has stared engagement.
• Causes: • Fusing motor (M3) • 1st transfer pressure clutch (CL5) • 1st transfer pressure sensor (PS39) • MFP board (MFPB)
• Remedy: 1. Check the connector between M3-MFPB CN11E for proper connection and correct as necessary. 2. Check the connector of M3 for proper drive coupling and correct as necessary. 3. Check the connector between PS39-relay CN24-MFPB CN7E for proper connection and correct as necessary. 4. Check the connector between CL5-relay CN29-MFPB CN12E for proper connection and correct as necessary. 5. PS39 I/O check, sensor check • Control signal: MFPB CN7E<B>-13 (ON) • Location of electrical component: 22-C 6. CL5 operation check • Control signal: MFPB CN12E-12 (ON) • Location of electrical component: 5-C 7. M3 operation check • Control signal: MFPB CN11E-11 (REM), MFPB CN11E-14 (FGP) • Location of electrical component: 3-C 8. Replace M3. 9. MFPB F13E conduction check 10. Replace MFPB. NOTICE • Link to the wiring diagram (N.1. bizhub C287/C227) • Link to the layout drawings for related parts by each trouble code (S.39. C2152, C2153, C2154, C2155, C2156)

• Code: C2155
• Description: Transfer belt contact fault after K pressure established. The 1st transfer pressure sensor (PS39) is blocked after the lamps of given time after the 1st transfer pressure clutch (CL5) turned OFF when the release operation is finished.
• Causes: • Fusing motor (M3) • 1st transfer pressure clutch (CL5) • 1st transfer pressure sensor (PS39) • MFP board (MFPB)
• Remedy: 1. Check the connector between M3-MFPB CN11E for proper connection and correct as necessary. 2. Check the connector of M3 for proper drive coupling and correct as necessary. 3. Check the connector between PS39-relay CN24-MFPB CN7E for proper connection and correct as necessary. 4. Check the connector between CL5-relay CN29-MFPB CN12E for proper connection and correct as necessary. 5. PS39 I/O check, sensor check • Control signal: MFPB CN7E<B>-13 (ON) • Location of electrical component: 22-C 6. CL5 operation check • Control signal: MFPB CN12E-12 (ON) • Location of electrical component: 5-C 7. M3 operation check • Control signal: MFPB CN11E-11 (REM), MFPB CN11E-14 (FGP) • Location of electrical component: 3-C 8. Replace M3. 9. MFPB F13E conduction check 10. Replace MFPB. NOTICE • Link to the wiring diagram (N.1. bizhub C287/C227) • Link to the layout drawings for related parts by each trouble code (S.39. C2152, C2153, C2154, C2155, C2156)

• Code: C2156
• Description: Transfer belt spacing fault after all pressure established. The 1st transfer pressure sensor (PS39) is unblocked after the laps of given time after the 1st transfer pressure clutch (CL5) turned OFF when the pressing operation is finished.
• Causes: • Fusing motor (M3) • 1st transfer pressure clutch (CL5) • 1st transfer pressure sensor (PS39) • MFP board (MFPB)
• Remedy: 1. Check the connector between M3-MFPB CN11E for proper connection and correct as necessary. 2. Check the connector of M3 for proper drive coupling and correct as necessary. 3. Check the connector between PS39-relay CN24-MFPB CN7E for proper connection and correct as necessary. 4. Check the connector between CL5-relay CN29-MFPB CN12E for proper connection and correct as necessary. 5. PS39 I/O check, sensor check • Control signal: MFPB CN7E<B>-13 (ON) • Location of electrical component: 22-C 6. CL5 operation check • Control signal: MFPB CN12E-12 (ON) • Location of electrical component: 5-C 7. M3 operation check • Control signal: MFPB CN11E-11 (REM), MFPB CN11E-14 (FGP) • Location of electrical component: 3-C 8. Replace M3. 9. MFPB F13E conduction check 10. Replace MFPB. NOTICE • Link to the wiring diagram (N.1. bizhub C287/C227) • Link to the layout drawings for related parts by each trouble code (S.39. C2152, C2153, C2154, C2155, C2156)