Ricoh pro c901 - Page 461

Technical Bulletin PAGE: 9/75
Reissued:21-Apr-14
Model: Aries-P1.5/C1.5
Date: 10-Mar-14
No.: RM077107b
2. SC396 – SC399
Excerpt from RTB RM077086c
Recommended actions to prevent & resolve SC396 – SC399.
Update the Engine firmware to Version 1.009:16 or later.
In a system forced termination, developer mixture accumulates at the nip between the dev
roller and drum, because the dev roller and drum stop suddenly. This generates excess
load on the drum rotation in the recovery operation. (See “Cause No.4 and 5” in the table
on the next page.)
The new f/w (Ver1.009:16) pre-rotates the dev roller in the recovery operation to remove
the developer mixture accumulating in the nip between the dev roller and drum, which
prevents abnormal drum rotation (SC39x).
Version
Program No.
Implementation to production
RFU availability
1.009:16
M0775253B
Jan 2014
Unavailable
1.008:16
M0775253A
Jan 2013
Unavailable
1.007 16
M0775253
Jun 2012
Unavailable
1.006:16
M0775252E
Jul 2011
Unavailable
1.005:16
M0775252D
May 2011
Unavailable
1.004:16
M0775252C
Apr 2011
Unavailable
1.003:16
M0775252B
Feb 2011
Unavailable
1.000A:16
M0775252A
1st mass production
Unavailable
“Available” : The firmware can be updated via RFU or SD card.
“Unavailable” : The firmware can only be updated via SD card.
Version
Modified Points or Symptom Corrected
1.009 :16
Specification changes:
1. To meet the Energy Star Ver2.0 standards, ITB alignment control values
are no longer stored on the NVRAM during monochrome printing.
2. Higher reliability against SC39x (drum-lock); machine warm-up following a
forced termination is performed after activating the development motor.
3. Higher reliability against Jam 170 when alternately running A3/DLT and
A4/LT staple jobs.
NOTE
When applying this firmware, make sure to upgrade the firmware for SR5020
to Ver.3.19 (P/N: D4345620N) or newer.
Cause
No.
Symptom
Action
Note
High friction
between the
drum and
cleaning blade
1
SC39x after power-on
Power Off-On
Symptom occurs only
immediately after
machine power-on.
2
Stopper seal on the
cleaning unit is twisted
and/or loose.
Correct the sealing. If
the seal cannot be
Loose seal causes
higher friction.