Ricoh Mp 161 Service Manual

When the Function Status Indicator Lights Up in Red
5
1 When the Function Status Indicator Lights 
Up in RedIf a function key is lit in red, press the key to switch to the screen for the corre-
sponding function, and then follow the message that appears.
Note
❒If an error occurs in the function you are using, check the message that ap-
pears on the display panel, and then refer to “When a Message Is Displayed”
for the relevant function. 
Reference
p.11 “Troubleshooting When Using the Copy Function”
p.19...

When the Machine Does Not Operate As Wanted
6
1When You Have Problems Operating the 
MachineThe following chart gives explanations of common problems and messages.
If other messages appear, follow the instructions displayed.
Problem Cause Solution
“
Please wait.” 
appears.This message appears when you 
turn on the operation switch or 
change the toner bottle.Wait for the machine to get ready.
“
Please wait.” 
appears.If the machine has not been in use 
for a long time, it may take longer 
than normal to...

When You Have Problems Operating the Machine
7
1
Original images are 
printed on the reverse 
side of the paper.You may have loaded the paper 
incorrectly.Load paper correctly. Load paper 
into Tray 1-2 with the print side 
up, and into the bypass tray with 
the print side down. See p.67 
“Orientation-Fixed Paper or 
Two-Sided Paper”.
Misfeeds occur frequently.Copy paper size setting is not correct.Set the proper paper size. See 
“Tray Paper Settings”, General 
Settings Guide and “Copy Pa-
per”, About...

When the Machine Does Not Operate As Wanted
8
1
Note
❒If you cannot make copies as you want because of paper type, paper size, or
paper capacity problems, use recommended paper. See “Copy Paper”, About
This Machine.
Authentication failed. The entered login user name or 
password is not correct.Ask the administrator for the cor-
rect login user name and password.
Authentication failed.Cannot access the authentication 
server when using Basic Authenti-
cation, Windows Authentication, 
LDAP Authentication,...

When a Job Is Not Performed
9
1 When a Job Is Not Performed
If you cannot execute a function, it may be that the machine is being held up by
another function.
If you cannot execute a function, terminate any other functions currently active, and
then try executing the function again. In some cases, you can carry out another job (cop-
ier, facsimile, printer, or scanner) without canceling the current job being performed.
Performing multiple functions simultaneously like this is called “Multi-accessing”....

When the Machine Does Not Operate As Wanted
10
1
Note
❒If the machine is capable of executing multiple functions simultaneously,
specify which function should have priority in “Print Priority”. This setting is
factory-preset to “Display mode”. For setting of Printing Priority Function,
see “General Features”, General Settings Guide.
❒While printing is in progress, scanning a document using another function
may take more time. 

11
2. Troubleshooting When
Using the Copy Function
This chapter describes likely causes of and possible solutions for copier function
problems.
When a Message Is Displayed
This section describes the machines main messages. If other messages appear,
follow the instructions they contain.
Important
❒For messages that are not listed here, see “When You Have Problems Operat-
ing the Machine”.
Message Cause Solution
Cannot dup. copy 
this size.Duplex mode does not support 
the selected paper size.Duplex mode...

Troubleshooting When Using the Copy Function
12
2
Reference
p.6 “When You Have Problems Operating the Machine”
You do not have 
privileges to 
use this func-
tion.The use of this function is restrict-
ed to authentified users only.Contact the administrator.
Authentication 
failed.The entered login user name or 
password is not correct.Ask the administrator for the correct 
login user name and password.
Authentication 
failed.Cannot access the authentication 
server when using Basic Authenti-
cation,...

When You Cannot Make Clear Copies
13
2 When You Cannot Make Clear Copies
This section describes likely causes of and possible solutions for unclear copies.
Problem Cause Solution
Copies appear dirty. Image density is too dark. Adjust the image density. See 
“Adjusting Image Density”, 
Copy Reference.
Copies contain blots or 
are patchy.
The machine is not on a level surface.Place the machine on a stable and 
level surface. 
Make sure the machines environ-
ment meets requirements. See 
p.85 “Where to Put...

Troubleshooting When Using the Copy Function
14
2
A shadow appears on 
copies if you use past-
ed originals.Image density is too dark. Adjust the image density. See 
“Adjusting Image Density”, 
Copy Reference.
Change the orientation of the original.
Put mending tape on the pasted area.
The same copy area is 
dirty whenever mak-
ing copies.The exposure glass or ARDF is 
dirty.Clean them. See p.89 “Maintain-
ing Your Machine”.
Copies are too light. Image density is too light. Adjust the image density. See...