Brother International HL-2600CN Service Manual - Page 310

Error Code E1 Concerned Part Developer Motor 2 (DM) Is there any unusual rotation noise while printing ? YES NO Confirm the connection of connector. Is DCN9 of IOD1 properly connected with connector of DM1? YES Is DCN1 of IOD1 properly connected with 11CN of MCTL? NO NO Replace the toner cartridge. Is the noise cleared ? NO Replace developer gear unit and motor. Connect the connectors properly. YES Job is complete. Check the voltage: +24V-1 and +5V-1. +24V-1: Is the voltage +24V between DM1-4 and 6,DCN9-4 and 6, DCN10-3 and 4 ? YES +5V-1: Is the voltage +5V between DM1-5 and 9,DCN9-5 and 9, DCN10-7 and 9 ? NO Replace the IOD2. Is E1 error cleared ? YES NO Replace the IOD1. Is E1 error cleared ? NO YES Job is complete. Is E1 error cleared ? NO YES Job is complete. Replace the developer motor 2. Job is complete. Replace the MCTL PWB 2. DCN9 MCTL DCN1 11CN IOD1 DM1 6 DMCLK 6 1 DMRDY-N 1 2 DMON-N 2 2 DMON-N 2 3 DMCLK 3 4 PGND 4 +24V-1 3 PGND 4 +5V-1 7 SGND 9 5 PGND 5 6 +24V-1 6 7 +24V-1 7 8 SGND 8 9 +5V-1 9 DM DCN10