Ricoh mp 5500 gets a sc220( laser synch. detection. ) error every time. The paper feeds to reg. roller then then sc220. I have replaced the laser syc pcb, laser motor, laser detect. pcb. with no help. What else can cause this? I have a machine to use for parts.
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I had a PSU cause this on an MP2050, but I would check the door switches first. Have you changed the Laser Diode Board? -
I have changed: laser diode unit, door switches, harness to ld unit, checked all connections. sc 220 everytime. Can bad firmware cause this? Where can I download current firmware from?Comment
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according with goose guide:
B246/B248/B249SC 220CN347 P1 (LD MON) on the IPU PCB is broken replace IPU/HarnessB246/B248/B249SC 220Inspect and reconnect IPU - LSD harnessB246/B248/B249SC 220Laser Synch detect error - Replace BCU..B246/B248/B249SC 220Laser sync error. Refer to bulletin 127.B246/B248/B249SC 220Laser synch detect error - Clear job log through SP5832-004B246/B248/B249SC 220Laser synch error - Refer to TSB B246 - 127 for improved durability of laser.B246/B248/B249SC 220replace laser sync detection pcbB246/B248/B249SC 220laser sync error - nvram clearB246/B248/B249SC 220Laser sync detect error, IPU defectiveB246/B248/B249SC 220Laser sync detect error, LD unit defectiveComment
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SC220 two options: laserdiode replacement or download te NVram data to sd card. Do a total clear of NV ram and upload the data again. If posible print a smc report. (not all settings are on the NV ram)Comment
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Or in a very dusty machine clean/replace laser sync detection board. On top (left) of the manual feed.Comment
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