Question about Ricoh Office Equipment & Supplies
Posted by Anonymous on
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Posted on Jan 02, 2017
SC No. Item Definition Possible Cause Related
SCs Troubleshooting Procedure Type
SC 221 Synch.
Main scan length detection is
not properly completed ten
The front (for C&M) or rear (for
K&Y) laser synchronizing
detector boards are used for
the main scan length
detection, which automatically
corrects the main-scan
• Damaged or
between front (C&M)
or rear (K&Y) laser
detector board and
the LD unit
• Incorrect installation
of front (C&M) or rear
detector board (the
beam does not target
the photo detector.)
• Defective front (C&M)
or rear (K&Y)
• Defective LD unit
After doing any of the following, print ten
jobs or more to see if the same SC code
1. Turn the main switch off and on.
2. Check or replace the cable
connecting front (for C&M) or rear (for
K&Y) synchronizing detector board
and the LD unit.
3. Check or reinstall the front (for C&M)
or rear (for K&Y) synchronizing
4. Replace the front (for C&M) or rear
(for K&Y) synchronizing detector
5. Replace the laser optics housing unit.
6. Replace the BCU.
If a synch. detector board cannot be
replaced, do the following as a
• Disable main scan length detection
Posted on Sep 15, 2009
please check with your head cleaning and also your ink cartridges. if low replace and reset. If fault is still on, then reinstall the printer software and restart. . Please also check on your connection cords. See if any paper is jammed or is obstructing the mechanism, check carefully. i hope you get this fault. good day
Posted on Jul 14, 2010
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