Ricoh Pro C901 Technical Bulletin page 451

Model:
Aries-P1.5/C1.5, AG-P1/C1, AGL-P1/C1
Subject: Troubleshooting skew correction error (SC270,271
and 272)
From:
PP Tech Service Dept., 1st PP Tech Service Sect.
Classification:
SYMPTOM
SC270: Skew correction error Y
SC271: Skew correction error M
SC272: Skew correction error C
CAUSE
The value in SP2-104-001 ~ 003 (Skew Adjustment Display) exceeds the upper limit and
locks the skew correction motor.
SOLUTION
When encountering SC270 or SC271 or SC272, do the following procedure before
replacing the laser unit.
1. Do the following SP to initialize the skew adjustment values.
SP2-117-001
SP2-117-002
SP2-117-003
2. Confirm the adjustment values are all reset to "0" in the following SP.
SP2-104-001
SP2-104-002
SP2-104-003
3. Execute MUSIC (S2-153-001; MUSIC Condition Settings 1 Manual Execute: Mode a)
4. Execute MUSIC again. (MUSIC needs to be executed twice in succession.)
5. Check if the skew amount results in the range "+15 micro m ~ -15 micro m" in the
following SP.
SP2-181-011
SP2-181-027
SP2-181-043
echnical
T
Troubleshooting
Mechanical
Paper path
Product Safety
Resets the skew adjustment value for the C skew correction motor
Resets the skew adjustment value for the M skew correction motor
Resets the skew adjustment value for the Y skew correction motor
Displays the C skew adjustment value against Bk
Displays the M skew adjustment value against Bk
Displays the Y skew adjustment value against Bk
Skew amount C
Skew amount M
Skew amount Y
ulletin
B
Date:
07-Feb-14
Prepared by: T. Miyamoto
Part information
Electrical
Transmit/receive
Other ( )
PAGE: 1/2
No.:
RM077106
Action required
Service manual revision
Retrofit information
Tier 2