Brother International HL-2600CN Service Manual - Page 308

Error Code Name of Part D5 Developer Solenoid (PSL KY) Confirm the connection of Connector. Is the connection proper between ECN5 of IOD2 and Solenoid (PSL KY) ? NO Is the harness of Solenoid (PSL KY) broken ? YES Check the voltage at (PSL KY) ON-N. Connect the harness. Connect the connector properly Is D5 Error cleared ? YES NO Complete Does the voltage drop ( +24V ) between ECN5-10 and ECN2-6? YES NO Does the voltage jump ( ) between ECN1-5and ECN2-8 ? YES NO Replace current MCTL PWB 2 with a new PWB. Replace the front cover unit with a new unit. Replace IOD2 PWB 2 with a new IOD2 PWB 2. Is D5 Error cleared ? YES NO Complete Is D5 Error cleared YES Complete NO Re-check MCTC IOD2 12CN ECN1 ECN5 PSL(KY)ON-P 5 5 9 +24V-1 PSL(KY)ON-N 10 ECN2 +24V-1 3 PGND 6 SGND 8 PSL KY