Ricoh Taurus-C1a - RTB 113 a: Service manual correction - Troubleshooting Mottling

Technical Bulletin PAGE: 1/2
Reissued:16-May-14
Model: Taurus-C1a/C1b (D074/D075)
Date: 12-Feb-14
No.: RD074113a
RTB Reissue
The items in bold italics were corrected or added.
This bulletin provides the revised troubleshooting procedure for Mottling.
3.3.6 Mottling
Mottling occurs in solid-filled areas.
CAUSE
 Printing on rough surfaced paper
 Continuously printing jobs of low toner
coverage
 Printing in a low humidity environment
 Printing in a high humidity environment
<Note>
If the problem appears in black, see "Color
(1): Black Faint During Full Color Printing" on
p.1067 of the field service manual.
SOLUTION
1. If a message prompting replacement of a unit appears, replace the unit.
2. To identify the affected color, print 3 sheets of full-page solid-fill (SP2-109-003: "26") on
A3/DLT in cyan, yellow, magenta, and black.
3. Do SP3-011-002 or [0201: Adjust Image Density] in the [Adjustment Settings for Skilled
Operators] menu.
4. Print the job showing the problem. Has the problem been resolved?
Yes : Go to step 6.
No : Print out 40 sheets of full page solid fills on A3/DLT in duplex in the affected color
to refresh toner in the development unit. Then, do SP3-011-002 or [0201: Adjust
Image Density].
Subject: Mottling: Troubleshooting
Prepared by: Hiroshi Inenaga
From: PP Tech Service Dept., 1st PP Tech Service Sect.
Classification:
Troubleshooting
Mechanical
Paper path
Product Safety
Part information
Electrical
Transmit/receive
Other ( )
Action required
Service manual revision
Retrofit information
Tier 2
Normal
Mottled